diff --git a/src/testdir/test86.in b/src/testdir/test86.in
index 981d5e5..49f95be 100644
--- a/src/testdir/test86.in
+++ b/src/testdir/test86.in
@@ -7,6 +7,7 @@
 
 STARTTEST
 :so small.vim
+:set encoding=latin1
 :if !has('python') | e! test.ok | wq! test.out | endif
 :lang C
 :py import vim
@@ -785,16 +786,277 @@
 :$put =string(pyeval('dl2'))
 :$put =string(pyeval('df(2)'))
 :"
-:" Test exceptions
-:fun Exe(e)
-:   execute a:e
+:" Test errors
+:fun F() dict
+:endfun
+:fun D()
 :endfun
 py << EOF
 def ee(expr, g=globals(), l=locals()):
     try:
         exec(expr, g, l)
     except:
-        cb.append(repr(sys.exc_info()[:2]))
+        cb.append(expr + ':' + repr(sys.exc_info()[:2]))
+    else:
+        cb.append(expr + ':NOT FAILED')
+d = vim.Dictionary()
+ned = vim.Dictionary(foo='bar', baz='abc')
+dl = vim.Dictionary(a=1)
+dl.locked = True
+l = vim.List()
+ll = vim.List('abc')
+ll.locked = True
+f = vim.Function('string')
+fd = vim.Function('F')
+fdel = vim.Function('D')
+vim.command('delfunction D')
+
+def subexpr_test(expr, name, subexprs):
+    cb.append('>>> Testing %s using %s' % (name, expr))
+    for subexpr in subexprs:
+        ee(expr % subexpr)
+    cb.append('<<< Finished')
+
+def stringtochars_test(expr):
+    return subexpr_test(expr, 'StringToChars', (
+        '1',       # Fail type checks
+        'u"\\0"',  # Fail PyString_AsStringAndSize(bytes, , NULL) check
+        '"\\0"',   # Fail PyString_AsStringAndSize(object, , NULL) check
+    ))
+
+class Mapping(object):
+    def __init__(self, d):
+        self.d = d
+
+    def __getitem__(self, key):
+        return self.d[key]
+
+    def keys(self):
+        return self.d.keys()
+
+    def items(self):
+        return self.d.items()
+
+def convertfrompyobject_test(expr, recurse=True):
+    # pydict_to_tv
+    stringtochars_test(expr % '{%s : 1}')
+    if recurse:
+        convertfrompyobject_test(expr % '{"abc" : %s}', False)
+    # pymap_to_tv
+    stringtochars_test(expr % 'Mapping({%s : 1})')
+    if recurse:
+        convertfrompyobject_test(expr % 'Mapping({"abc" : %s})', False)
+    # pyseq_to_tv
+    iter_test(expr)
+    return subexpr_test(expr, 'ConvertFromPyObject', (
+        'None',                 # Not conversible
+        '{"": 1}',              # Empty key not allowed
+        'FailingMapping()',     #
+        'FailingMappingKey()',  #
+    ))
+
+def convertfrompymapping_test(expr):
+    convertfrompyobject_test(expr)
+    return subexpr_test(expr, 'ConvertFromPyMapping', (
+        '[]',
+    ))
+
+def iter_test(expr):
+    return subexpr_test(expr, '*Iter*', (
+        'FailingIter()',
+        'FailingIterNext()',
+    ))
+
+class FailingTrue(object):
+    def __nonzero__(self):
+        raise NotImplementedError
+
+class FailingIter(object):
+    def __iter__(self):
+        raise NotImplementedError
+
+class FailingIterNext(object):
+    def __iter__(self):
+        return self
+
+    def next(self):
+        raise NotImplementedError
+
+class FailingMappingKey(object):
+    def __getitem__(self, item):
+        raise NotImplementedError
+
+    def keys(self):
+        return list("abc")
+
+class FailingMapping(object):
+    def __getitem__(self):
+        raise NotImplementedError
+
+    def keys(self):
+        raise NotImplementedError
+
+class FailingList(list):
+    def __getitem__(self, idx):
+        if i == 2:
+            raise NotImplementedError
+        else:
+            return super(FailingList, self).__getitem__(idx)
+
+cb.append("> Output")
+cb.append(">> OutputSetattr")
+ee('del sys.stdout.softspace')
+ee('sys.stdout.softspace = []')
+ee('sys.stdout.attr = None')
+cb.append(">> OutputWrite")
+ee('sys.stdout.write(None)')
+cb.append(">> OutputWriteLines")
+ee('sys.stdout.writelines(None)')
+ee('sys.stdout.writelines([1])')
+iter_test('sys.stdout.writelines(%s)')
+cb.append("> VimCommand")
+ee('vim.command(1)')
+#! Not checked: vim->python exceptions translating: checked later
+cb.append("> VimToPython")
+#! Not checked: everything: needs errors in internal python functions
+cb.append("> VimEval")
+ee('vim.eval(1)')
+#! Not checked: everything: needs errors in internal python functions
+cb.append("> VimEvalPy")
+ee('vim.bindeval(1)')
+#! Not checked: vim->python exceptions translating: checked later
+cb.append("> VimStrwidth")
+ee('vim.strwidth(1)')
+cb.append("> Dictionary")
+cb.append(">> DictionaryConstructor")
+ee('vim.Dictionary("abc")')
+##! Not checked: py_dict_alloc failure
+cb.append(">> DictionarySetattr")
+ee('del d.locked')
+ee('d.locked = FailingTrue()')
+ee('vim.vvars.locked = False')
+ee('d.scope = True')
+ee('d.xxx = True')
+cb.append(">> _DictionaryItem")
+ee('d.get("a", 2, 3)')
+stringtochars_test('d.get(%s)')
+ee('d.pop("a")')
+ee('dl.pop("a")')
+cb.append(">> DictionaryIterNext")
+ee('for i in ned: ned["a"] = 1')
+cb.append(">> DictionaryAssItem")
+ee('dl["b"] = 1')
+stringtochars_test('d[%s] = 1')
+convertfrompyobject_test('d["a"] = %s')
+cb.append(">> DictionaryUpdate")
+cb.append(">>> kwargs")
+cb.append(">>> iter")
+ee('d.update(FailingMapping())')
+ee('d.update([FailingIterNext()])')
+iter_test('d.update(%s)')
+convertfrompyobject_test('d.update(%s)')
+stringtochars_test('d.update(((%s, 0),))')
+convertfrompyobject_test('d.update((("a", %s),))')
+cb.append(">> DictionaryPopItem")
+ee('d.popitem(1, 2)')
+cb.append(">> DictionaryHasKey")
+ee('d.has_key()')
+cb.append("> List")
+cb.append(">> ListConstructor")
+ee('vim.List(1, 2)')
+ee('vim.List(a=1)')
+iter_test('vim.List(%s)')
+convertfrompyobject_test('vim.List([%s])')
+cb.append(">> ListItem")
+ee('l[1000]')
+cb.append(">> ListAssItem")
+ee('ll[1] = 2')
+ee('l[1000] = 3')
+cb.append(">> ListAssSlice")
+ee('ll[1:100] = "abc"')
+iter_test('l[:] = %s')
+convertfrompyobject_test('l[:] = [%s]')
+cb.append(">> ListConcatInPlace")
+iter_test('l.extend(%s)')
+convertfrompyobject_test('l.extend([%s])')
+cb.append(">> ListSetattr")
+ee('del l.locked')
+ee('l.locked = FailingTrue()')
+ee('l.xxx = True')
+cb.append("> Function")
+cb.append(">> FunctionConstructor")
+ee('vim.Function("123")')
+ee('vim.Function("xxx_non_existent_function_xxx")')
+ee('vim.Function("xxx#non#existent#function#xxx")')
+cb.append(">> FunctionCall")
+convertfrompyobject_test('f(%s)')
+convertfrompymapping_test('fd(self=%s)')
+cb.append("> TabPage")
+cb.append(">> TabPageAttr")
+ee('vim.current.tabpage.xxx')
+cb.append("> TabList")
+cb.append(">> TabListItem")
+ee('vim.tabpages[1000]')
+cb.append("> Window")
+cb.append(">> WindowAttr")
+ee('vim.current.window.xxx')
+cb.append(">> WindowSetattr")
+ee('vim.current.window.buffer = 0')
+ee('vim.current.window.cursor = (10000000000, 100000000)')
+ee('vim.current.window.cursor = True')
+ee('vim.current.window.height = "abc"')
+ee('vim.current.window.width  = "abc"')
+ee('vim.current.window.xxxxxx = True')
+cb.append("> WinList")
+cb.append(">> WinListItem")
+ee('vim.windows[1000]')
+cb.append("> Buffer")
+cb.append(">> StringToLine (indirect)")
+ee('vim.current.buffer[0] = "\\na"')
+cb.append(">> SetBufferLine (indirect)")
+ee('vim.current.buffer[0] = True')
+cb.append(">> SetBufferLines (indirect)")
+ee('vim.current.buffer[:] = True')
+ee('vim.current.buffer[:] = ["\\na", "bc"]')
+cb.append(">> InsertBufferLines (indirect)")
+ee('vim.current.buffer.append(None)')
+ee('vim.current.buffer.append(["\\na", "bc"])')
+ee('vim.current.buffer.append("\\nbc")')
+cb.append(">> RBItem")
+ee('vim.current.buffer[10000000000]')
+cb.append(">> RBAsItem")
+ee('vim.current.buffer[10000000000] = ""')
+cb.append(">> BufferAttr")
+ee('vim.current.buffer.xxx')
+cb.append(">> BufferSetattr")
+ee('vim.current.buffer.name = True')
+ee('vim.current.buffer.xxx = True')
+cb.append(">> BufferMark")
+ee('vim.current.buffer.mark(0)')
+ee('vim.current.buffer.mark("abc")')
+ee('vim.current.buffer.mark("!")')
+cb.append(">> BufferRange")
+ee('vim.current.buffer.range(1, 2, 3)')
+cb.append("> BufMap")
+cb.append(">> BufMapItem")
+ee('vim.buffers[None]')
+ee('vim.buffers[100000000]')
+cb.append("> Current")
+cb.append(">> CurrentGetattr")
+ee('vim.current.xxx')
+cb.append(">> CurrentSetattr")
+ee('vim.current.line = True')
+ee('vim.current.buffer = True')
+ee('vim.current.window = True')
+ee('vim.current.tabpage = True')
+ee('vim.current.xxx = True')
+EOF
+:"
+:" Test exceptions
+:fun Exe(e)
+:   execute a:e
+:endfun
+py << EOF
 Exe = vim.bindeval('function("Exe")')
 ee('vim.command("throw \'abc\'")')
 ee('Exe("throw \'def\'")')
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 34e1e68..452c48f 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -429,9 +429,653 @@
 ['a', 'b', 'c']
 [2, 2]
 [2, 2]
-(<class 'vim.error'>, error('abc',))
-(<class 'vim.error'>, error('def',))
-(<class 'vim.error'>, error('ghi',))
-(<class 'vim.error'>, error('Vim(echoerr):jkl',))
-(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
-(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
+> Output
+>> OutputSetattr
+del sys.stdout.softspace:(<type 'exceptions.AttributeError'>, AttributeError("can't delete OutputObject attributes",))
+sys.stdout.softspace = []:(<type 'exceptions.TypeError'>, TypeError('softspace must be an integer',))
+sys.stdout.attr = None:(<type 'exceptions.AttributeError'>, AttributeError('invalid attribute',))
+>> OutputWrite
+sys.stdout.write(None):(<type 'exceptions.TypeError'>, TypeError('coercing to Unicode: need string or buffer, NoneType found',))
+>> OutputWriteLines
+sys.stdout.writelines(None):(<type 'exceptions.TypeError'>, TypeError("'NoneType' object is not iterable",))
+sys.stdout.writelines([1]):(<type 'exceptions.TypeError'>, TypeError('writelines() requires list of strings',))
+>>> Testing *Iter* using sys.stdout.writelines(%s)
+sys.stdout.writelines(FailingIter()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+sys.stdout.writelines(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+> VimCommand
+vim.command(1):(<type 'exceptions.TypeError'>, TypeError('must be string, not int',))
+> VimToPython
+> VimEval
+vim.eval(1):(<type 'exceptions.TypeError'>, TypeError('must be string, not int',))
+> VimEvalPy
+vim.bindeval(1):(<type 'exceptions.TypeError'>, TypeError('must be string, not int',))
+> VimStrwidth
+vim.strwidth(1):(<type 'exceptions.TypeError'>, TypeError('must be string, not int',))
+> Dictionary
+>> DictionaryConstructor
+vim.Dictionary("abc"):(<type 'exceptions.ValueError'>, ValueError('expected sequence element of size 2',))
+>> DictionarySetattr
+del d.locked:(<type 'exceptions.AttributeError'>, AttributeError('cannot delete vim.Dictionary attributes',))
+d.locked = FailingTrue():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+vim.vvars.locked = False:(<type 'exceptions.TypeError'>, TypeError('cannot modify fixed dictionary',))
+d.scope = True:(<type 'exceptions.AttributeError'>, AttributeError('cannot set this attribute',))
+d.xxx = True:(<type 'exceptions.AttributeError'>, AttributeError('cannot set this attribute',))
+>> _DictionaryItem
+d.get("a", 2, 3):(<type 'exceptions.TypeError'>, TypeError('function takes at most 2 arguments (3 given)',))
+>>> Testing StringToChars using d.get(%s)
+d.get(1):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.get(u"\0"):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.get("\0"):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+d.pop("a"):(<type 'exceptions.KeyError'>, KeyError('a',))
+dl.pop("a"):(<class 'vim.error'>, error('dict is locked',))
+>> DictionaryIterNext
+for i in ned: ned["a"] = 1:(<type 'exceptions.RuntimeError'>, RuntimeError('hashtab changed during iteration',))
+>> DictionaryAssItem
+dl["b"] = 1:(<class 'vim.error'>, error('dict is locked',))
+>>> Testing StringToChars using d[%s] = 1
+d[1] = 1:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d[u"\0"] = 1:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["\0"] = 1:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {%s : 1}
+d["a"] = {1 : 1}:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = {u"\0" : 1}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = {"\0" : 1}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {"abc" : {%s : 1}}
+d["a"] = {"abc" : {1 : 1}}:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = {"abc" : {u"\0" : 1}}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = {"abc" : {"\0" : 1}}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {"abc" : Mapping({%s : 1})}
+d["a"] = {"abc" : Mapping({1 : 1})}:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = {"abc" : Mapping({u"\0" : 1})}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = {"abc" : Mapping({"\0" : 1})}:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d["a"] = {"abc" : %s}
+d["a"] = {"abc" : FailingIter()}:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"abc" : FailingIterNext()}:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = {"abc" : %s}
+d["a"] = {"abc" : None}:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"abc" : {"": 1}}:(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = {"abc" : FailingMapping()}:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d["a"] = {"abc" : FailingMappingKey()}:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({%s : 1})
+d["a"] = Mapping({1 : 1}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({u"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = Mapping({"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({"abc" : {%s : 1}})
+d["a"] = Mapping({"abc" : {1 : 1}}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({"abc" : {u"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = Mapping({"abc" : {"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({"abc" : Mapping({%s : 1})})
+d["a"] = Mapping({"abc" : Mapping({1 : 1})}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({"abc" : Mapping({u"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d["a"] = Mapping({"abc" : Mapping({"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d["a"] = Mapping({"abc" : %s})
+d["a"] = Mapping({"abc" : FailingIter()}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = Mapping({"abc" : FailingIterNext()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = Mapping({"abc" : %s})
+d["a"] = Mapping({"abc" : None}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = Mapping({"abc" : {"": 1}}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = Mapping({"abc" : FailingMapping()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d["a"] = Mapping({"abc" : FailingMappingKey()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d["a"] = %s
+d["a"] = FailingIter():(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = FailingIterNext():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = %s
+d["a"] = None:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"": 1}:(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = FailingMapping():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d["a"] = FailingMappingKey():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> DictionaryUpdate
+>>> kwargs
+>>> iter
+d.update(FailingMapping()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update([FailingIterNext()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+>>> Testing *Iter* using d.update(%s)
+d.update(FailingIter()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update({%s : 1})
+d.update({1 : 1}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update({u"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update({"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update({"abc" : {%s : 1}})
+d.update({"abc" : {1 : 1}}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update({"abc" : {u"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update({"abc" : {"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update({"abc" : Mapping({%s : 1})})
+d.update({"abc" : Mapping({1 : 1})}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update({"abc" : Mapping({u"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update({"abc" : Mapping({"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d.update({"abc" : %s})
+d.update({"abc" : FailingIter()}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update({"abc" : FailingIterNext()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update({"abc" : %s})
+d.update({"abc" : None}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update({"abc" : {"": 1}}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update({"abc" : FailingMapping()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update({"abc" : FailingMappingKey()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({%s : 1}))
+d.update(Mapping({1 : 1})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update(Mapping({u"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update(Mapping({"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({"abc" : {%s : 1}}))
+d.update(Mapping({"abc" : {1 : 1}})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update(Mapping({"abc" : {u"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update(Mapping({"abc" : {"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({"abc" : Mapping({%s : 1})}))
+d.update(Mapping({"abc" : Mapping({1 : 1})})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update(Mapping({"abc" : Mapping({u"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update(Mapping({"abc" : Mapping({"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d.update(Mapping({"abc" : %s}))
+d.update(Mapping({"abc" : FailingIter()})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update(Mapping({"abc" : FailingIterNext()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update(Mapping({"abc" : %s}))
+d.update(Mapping({"abc" : None})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update(Mapping({"abc" : {"": 1}})):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update(Mapping({"abc" : FailingMapping()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update(Mapping({"abc" : FailingMappingKey()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d.update(%s)
+d.update(FailingIter()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update(%s)
+d.update(None):(<type 'exceptions.TypeError'>, TypeError("'NoneType' object is not iterable",))
+d.update({"": 1}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update(FailingMapping()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update(FailingMappingKey()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update(((%s, 0),))
+d.update(((1, 0),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update(((u"\0", 0),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("\0", 0),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {%s : 1}),))
+d.update((("a", {1 : 1}),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", {u"\0" : 1}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", {"\0" : 1}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {"abc" : {%s : 1}}),))
+d.update((("a", {"abc" : {1 : 1}}),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", {"abc" : {u"\0" : 1}}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", {"abc" : {"\0" : 1}}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {"abc" : Mapping({%s : 1})}),))
+d.update((("a", {"abc" : Mapping({1 : 1})}),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", {"abc" : Mapping({u"\0" : 1})}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", {"abc" : Mapping({"\0" : 1})}),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d.update((("a", {"abc" : %s}),))
+d.update((("a", {"abc" : FailingIter()}),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"abc" : FailingIterNext()}),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", {"abc" : %s}),))
+d.update((("a", {"abc" : None}),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"abc" : {"": 1}}),)):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", {"abc" : FailingMapping()}),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update((("a", {"abc" : FailingMappingKey()}),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({%s : 1})),))
+d.update((("a", Mapping({1 : 1})),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({u"\0" : 1})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", Mapping({"\0" : 1})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({"abc" : {%s : 1}})),))
+d.update((("a", Mapping({"abc" : {1 : 1}})),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({"abc" : {u"\0" : 1}})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", Mapping({"abc" : {"\0" : 1}})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({"abc" : Mapping({%s : 1})})),))
+d.update((("a", Mapping({"abc" : Mapping({1 : 1})})),)):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({"abc" : Mapping({u"\0" : 1})})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+d.update((("a", Mapping({"abc" : Mapping({"\0" : 1})})),)):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using d.update((("a", Mapping({"abc" : %s})),))
+d.update((("a", Mapping({"abc" : FailingIter()})),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", Mapping({"abc" : FailingIterNext()})),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", Mapping({"abc" : %s})),))
+d.update((("a", Mapping({"abc" : None})),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", Mapping({"abc" : {"": 1}})),)):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", Mapping({"abc" : FailingMapping()})),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update((("a", Mapping({"abc" : FailingMappingKey()})),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d.update((("a", %s),))
+d.update((("a", FailingIter()),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", FailingIterNext()),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", %s),))
+d.update((("a", None),)):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"": 1}),)):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", FailingMapping()),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+d.update((("a", FailingMappingKey()),)):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> DictionaryPopItem
+d.popitem(1, 2):(<type 'exceptions.TypeError'>, TypeError('function takes exactly 1 argument (2 given)',))
+>> DictionaryHasKey
+d.has_key():(<type 'exceptions.TypeError'>, TypeError('function takes exactly 1 argument (0 given)',))
+> List
+>> ListConstructor
+vim.List(1, 2):(<type 'exceptions.TypeError'>, TypeError('function takes at most 1 argument (2 given)',))
+vim.List(a=1):(<type 'exceptions.TypeError'>, TypeError('list constructor does not accept keyword arguments',))
+>>> Testing *Iter* using vim.List(%s)
+vim.List(FailingIter()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+vim.List(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using vim.List([{%s : 1}])
+vim.List([{1 : 1}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([{u"\0" : 1}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([{"\0" : 1}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using vim.List([{"abc" : {%s : 1}}])
+vim.List([{"abc" : {1 : 1}}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([{"abc" : {u"\0" : 1}}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([{"abc" : {"\0" : 1}}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using vim.List([{"abc" : Mapping({%s : 1})}])
+vim.List([{"abc" : Mapping({1 : 1})}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([{"abc" : Mapping({u"\0" : 1})}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([{"abc" : Mapping({"\0" : 1})}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using vim.List([{"abc" : %s}])
+vim.List([{"abc" : FailingIter()}]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"abc" : FailingIterNext()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([{"abc" : %s}])
+vim.List([{"abc" : None}]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"abc" : {"": 1}}]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([{"abc" : FailingMapping()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+vim.List([{"abc" : FailingMappingKey()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({%s : 1})])
+vim.List([Mapping({1 : 1})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({u"\0" : 1})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([Mapping({"\0" : 1})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({"abc" : {%s : 1}})])
+vim.List([Mapping({"abc" : {1 : 1}})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({"abc" : {u"\0" : 1}})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([Mapping({"abc" : {"\0" : 1}})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({"abc" : Mapping({%s : 1})})])
+vim.List([Mapping({"abc" : Mapping({1 : 1})})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({"abc" : Mapping({u"\0" : 1})})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+vim.List([Mapping({"abc" : Mapping({"\0" : 1})})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using vim.List([Mapping({"abc" : %s})])
+vim.List([Mapping({"abc" : FailingIter()})]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([Mapping({"abc" : FailingIterNext()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([Mapping({"abc" : %s})])
+vim.List([Mapping({"abc" : None})]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([Mapping({"abc" : {"": 1}})]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([Mapping({"abc" : FailingMapping()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+vim.List([Mapping({"abc" : FailingMappingKey()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using vim.List([%s])
+vim.List([FailingIter()]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([FailingIterNext()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([%s])
+vim.List([None]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"": 1}]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([FailingMapping()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+vim.List([FailingMappingKey()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListItem
+l[1000]:(<type 'exceptions.IndexError'>, IndexError('list index out of range',))
+>> ListAssItem
+ll[1] = 2:(<class 'vim.error'>, error('list is locked',))
+l[1000] = 3:(<type 'exceptions.IndexError'>, IndexError('list index out of range',))
+>> ListAssSlice
+ll[1:100] = "abc":(<class 'vim.error'>, error('list is locked',))
+>>> Testing *Iter* using l[:] = %s
+l[:] = FailingIter():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l[:] = FailingIterNext():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l[:] = [{%s : 1}]
+l[:] = [{1 : 1}]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [{u"\0" : 1}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [{"\0" : 1}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [{"abc" : {%s : 1}}]
+l[:] = [{"abc" : {1 : 1}}]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [{"abc" : {u"\0" : 1}}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [{"abc" : {"\0" : 1}}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [{"abc" : Mapping({%s : 1})}]
+l[:] = [{"abc" : Mapping({1 : 1})}]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [{"abc" : Mapping({u"\0" : 1})}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [{"abc" : Mapping({"\0" : 1})}]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using l[:] = [{"abc" : %s}]
+l[:] = [{"abc" : FailingIter()}]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"abc" : FailingIterNext()}]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [{"abc" : %s}]
+l[:] = [{"abc" : None}]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"abc" : {"": 1}}]:(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [{"abc" : FailingMapping()}]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l[:] = [{"abc" : FailingMappingKey()}]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({%s : 1})]
+l[:] = [Mapping({1 : 1})]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({u"\0" : 1})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [Mapping({"\0" : 1})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({"abc" : {%s : 1}})]
+l[:] = [Mapping({"abc" : {1 : 1}})]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({"abc" : {u"\0" : 1}})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [Mapping({"abc" : {"\0" : 1}})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({"abc" : Mapping({%s : 1})})]
+l[:] = [Mapping({"abc" : Mapping({1 : 1})})]:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({"abc" : Mapping({u"\0" : 1})})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l[:] = [Mapping({"abc" : Mapping({"\0" : 1})})]:(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using l[:] = [Mapping({"abc" : %s})]
+l[:] = [Mapping({"abc" : FailingIter()})]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [Mapping({"abc" : FailingIterNext()})]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [Mapping({"abc" : %s})]
+l[:] = [Mapping({"abc" : None})]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [Mapping({"abc" : {"": 1}})]:(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [Mapping({"abc" : FailingMapping()})]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l[:] = [Mapping({"abc" : FailingMappingKey()})]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using l[:] = [%s]
+l[:] = [FailingIter()]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [FailingIterNext()]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [%s]
+l[:] = [None]:(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"": 1}]:(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [FailingMapping()]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l[:] = [FailingMappingKey()]:(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListConcatInPlace
+>>> Testing *Iter* using l.extend(%s)
+l.extend(FailingIter()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l.extend(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l.extend([{%s : 1}])
+l.extend([{1 : 1}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([{u"\0" : 1}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([{"\0" : 1}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l.extend([{"abc" : {%s : 1}}])
+l.extend([{"abc" : {1 : 1}}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([{"abc" : {u"\0" : 1}}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([{"abc" : {"\0" : 1}}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l.extend([{"abc" : Mapping({%s : 1})}])
+l.extend([{"abc" : Mapping({1 : 1})}]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([{"abc" : Mapping({u"\0" : 1})}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([{"abc" : Mapping({"\0" : 1})}]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using l.extend([{"abc" : %s}])
+l.extend([{"abc" : FailingIter()}]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"abc" : FailingIterNext()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([{"abc" : %s}])
+l.extend([{"abc" : None}]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"abc" : {"": 1}}]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([{"abc" : FailingMapping()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l.extend([{"abc" : FailingMappingKey()}]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({%s : 1})])
+l.extend([Mapping({1 : 1})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({u"\0" : 1})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([Mapping({"\0" : 1})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({"abc" : {%s : 1}})])
+l.extend([Mapping({"abc" : {1 : 1}})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({"abc" : {u"\0" : 1}})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([Mapping({"abc" : {"\0" : 1}})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({"abc" : Mapping({%s : 1})})])
+l.extend([Mapping({"abc" : Mapping({1 : 1})})]):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({"abc" : Mapping({u"\0" : 1})})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+l.extend([Mapping({"abc" : Mapping({"\0" : 1})})]):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using l.extend([Mapping({"abc" : %s})])
+l.extend([Mapping({"abc" : FailingIter()})]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([Mapping({"abc" : FailingIterNext()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([Mapping({"abc" : %s})])
+l.extend([Mapping({"abc" : None})]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([Mapping({"abc" : {"": 1}})]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([Mapping({"abc" : FailingMapping()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l.extend([Mapping({"abc" : FailingMappingKey()})]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using l.extend([%s])
+l.extend([FailingIter()]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([FailingIterNext()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([%s])
+l.extend([None]):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"": 1}]):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([FailingMapping()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l.extend([FailingMappingKey()]):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListSetattr
+del l.locked:(<type 'exceptions.AttributeError'>, AttributeError('cannot delete vim.List attributes',))
+l.locked = FailingTrue():(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+l.xxx = True:(<type 'exceptions.AttributeError'>, AttributeError('cannot set this attribute',))
+> Function
+>> FunctionConstructor
+vim.Function("123"):(<type 'exceptions.ValueError'>, ValueError('unnamed function does not exist',))
+vim.Function("xxx_non_existent_function_xxx"):(<type 'exceptions.ValueError'>, ValueError('function does not exist',))
+vim.Function("xxx#non#existent#function#xxx"):(<type 'exceptions.ValueError'>, ValueError('function does not exist',))
+>> FunctionCall
+>>> Testing StringToChars using f({%s : 1})
+f({1 : 1}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f({u"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f({"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using f({"abc" : {%s : 1}})
+f({"abc" : {1 : 1}}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f({"abc" : {u"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f({"abc" : {"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using f({"abc" : Mapping({%s : 1})})
+f({"abc" : Mapping({1 : 1})}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f({"abc" : Mapping({u"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f({"abc" : Mapping({"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using f({"abc" : %s})
+f({"abc" : FailingIter()}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f({"abc" : FailingIterNext()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f({"abc" : %s})
+f({"abc" : None}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f({"abc" : {"": 1}}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+f({"abc" : FailingMapping()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+f({"abc" : FailingMappingKey()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using f(Mapping({%s : 1}))
+f(Mapping({1 : 1})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f(Mapping({u"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f(Mapping({"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using f(Mapping({"abc" : {%s : 1}}))
+f(Mapping({"abc" : {1 : 1}})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f(Mapping({"abc" : {u"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f(Mapping({"abc" : {"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using f(Mapping({"abc" : Mapping({%s : 1})}))
+f(Mapping({"abc" : Mapping({1 : 1})})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+f(Mapping({"abc" : Mapping({u"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+f(Mapping({"abc" : Mapping({"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using f(Mapping({"abc" : %s}))
+f(Mapping({"abc" : FailingIter()})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f(Mapping({"abc" : FailingIterNext()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f(Mapping({"abc" : %s}))
+f(Mapping({"abc" : None})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f(Mapping({"abc" : {"": 1}})):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+f(Mapping({"abc" : FailingMapping()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+f(Mapping({"abc" : FailingMappingKey()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using f(%s)
+f(FailingIter()):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f(FailingIterNext()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f(%s)
+f(None):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+f({"": 1}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+f(FailingMapping()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+f(FailingMappingKey()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using fd(self={%s : 1})
+fd(self={1 : 1}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self={u"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self={"\0" : 1}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using fd(self={"abc" : {%s : 1}})
+fd(self={"abc" : {1 : 1}}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self={"abc" : {u"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self={"abc" : {"\0" : 1}}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using fd(self={"abc" : Mapping({%s : 1})})
+fd(self={"abc" : Mapping({1 : 1})}):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self={"abc" : Mapping({u"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self={"abc" : Mapping({"\0" : 1})}):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using fd(self={"abc" : %s})
+fd(self={"abc" : FailingIter()}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self={"abc" : FailingIterNext()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self={"abc" : %s})
+fd(self={"abc" : None}):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self={"abc" : {"": 1}}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+fd(self={"abc" : FailingMapping()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+fd(self={"abc" : FailingMappingKey()}):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({%s : 1}))
+fd(self=Mapping({1 : 1})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({u"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self=Mapping({"\0" : 1})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({"abc" : {%s : 1}}))
+fd(self=Mapping({"abc" : {1 : 1}})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({"abc" : {u"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self=Mapping({"abc" : {"\0" : 1}})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({"abc" : Mapping({%s : 1})}))
+fd(self=Mapping({"abc" : Mapping({1 : 1})})):(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({"abc" : Mapping({u"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+fd(self=Mapping({"abc" : Mapping({"\0" : 1})})):(<type 'exceptions.TypeError'>, TypeError('expected string without null bytes',))
+<<< Finished
+>>> Testing *Iter* using fd(self=Mapping({"abc" : %s}))
+fd(self=Mapping({"abc" : FailingIter()})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self=Mapping({"abc" : FailingIterNext()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self=Mapping({"abc" : %s}))
+fd(self=Mapping({"abc" : None})):(<type 'exceptions.TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self=Mapping({"abc" : {"": 1}})):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+fd(self=Mapping({"abc" : FailingMapping()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+fd(self=Mapping({"abc" : FailingMappingKey()})):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using fd(self=%s)
+fd(self=FailingIter()):(<type 'exceptions.TypeError'>, TypeError('unable to convert object to vim dictionary',))
+fd(self=FailingIterNext()):(<type 'exceptions.TypeError'>, TypeError('unable to convert object to vim dictionary',))
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self=%s)
+fd(self=None):(<type 'exceptions.TypeError'>, TypeError('unable to convert object to vim dictionary',))
+fd(self={"": 1}):(<type 'exceptions.ValueError'>, ValueError('empty keys are not allowed',))
+fd(self=FailingMapping()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+fd(self=FailingMappingKey()):(<type 'exceptions.NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyMapping using fd(self=%s)
+fd(self=[]):(<type 'exceptions.TypeError'>, TypeError('unable to convert object to vim dictionary',))
+<<< Finished
+> TabPage
+>> TabPageAttr
+vim.current.tabpage.xxx:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+> TabList
+>> TabListItem
+vim.tabpages[1000]:(<type 'exceptions.IndexError'>, IndexError('no such tab page',))
+> Window
+>> WindowAttr
+vim.current.window.xxx:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+>> WindowSetattr
+vim.current.window.buffer = 0:(<type 'exceptions.TypeError'>, TypeError('readonly attribute',))
+vim.current.window.cursor = (10000000000, 100000000):(<class 'vim.error'>, error('cursor position outside buffer',))
+vim.current.window.cursor = True:(<type 'exceptions.TypeError'>, TypeError('argument must be 2-item sequence, not bool',))
+vim.current.window.height = "abc":(<type 'exceptions.TypeError'>, TypeError('an integer is required',))
+vim.current.window.width  = "abc":(<type 'exceptions.TypeError'>, TypeError('an integer is required',))
+vim.current.window.xxxxxx = True:(<type 'exceptions.AttributeError'>, AttributeError('xxxxxx',))
+> WinList
+>> WinListItem
+vim.windows[1000]:(<type 'exceptions.IndexError'>, IndexError('no such window',))
+> Buffer
+>> StringToLine (indirect)
+vim.current.buffer[0] = "\na":(<class 'vim.error'>, error('string cannot contain newlines',))
+>> SetBufferLine (indirect)
+vim.current.buffer[0] = True:(<type 'exceptions.TypeError'>, TypeError('bad argument type for built-in operation',))
+>> SetBufferLines (indirect)
+vim.current.buffer[:] = True:(<type 'exceptions.TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer[:] = ["\na", "bc"]:(<class 'vim.error'>, error('string cannot contain newlines',))
+>> InsertBufferLines (indirect)
+vim.current.buffer.append(None):(<type 'exceptions.TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer.append(["\na", "bc"]):(<class 'vim.error'>, error('string cannot contain newlines',))
+vim.current.buffer.append("\nbc"):(<class 'vim.error'>, error('string cannot contain newlines',))
+>> RBItem
+vim.current.buffer[10000000000]:(<type 'exceptions.IndexError'>, IndexError('line number out of range',))
+>> RBAsItem
+vim.current.buffer[10000000000] = "":(<type 'exceptions.IndexError'>, IndexError('line number out of range',))
+>> BufferAttr
+vim.current.buffer.xxx:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+>> BufferSetattr
+vim.current.buffer.name = True:(<type 'exceptions.TypeError'>, TypeError('object must be string',))
+vim.current.buffer.xxx = True:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+>> BufferMark
+vim.current.buffer.mark(0):(<type 'exceptions.TypeError'>, TypeError('must be string, not int',))
+vim.current.buffer.mark("abc"):(<type 'exceptions.ValueError'>, ValueError('mark name must be a single character',))
+vim.current.buffer.mark("!"):(<class 'vim.error'>, error('invalid mark name',))
+>> BufferRange
+vim.current.buffer.range(1, 2, 3):(<type 'exceptions.TypeError'>, TypeError('function takes exactly 2 arguments (3 given)',))
+> BufMap
+>> BufMapItem
+vim.buffers[None]:(<type 'exceptions.TypeError'>, TypeError('key must be integer',))
+vim.buffers[100000000]:(<type 'exceptions.KeyError'>, KeyError(100000000,))
+> Current
+>> CurrentGetattr
+vim.current.xxx:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+>> CurrentSetattr
+vim.current.line = True:(<type 'exceptions.TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer = True:(<type 'exceptions.TypeError'>, TypeError('expected vim.Buffer object',))
+vim.current.window = True:(<type 'exceptions.TypeError'>, TypeError('expected vim.Window object',))
+vim.current.tabpage = True:(<type 'exceptions.TypeError'>, TypeError('expected vim.TabPage object',))
+vim.current.xxx = True:(<type 'exceptions.AttributeError'>, AttributeError('xxx',))
+vim.command("throw 'abc'"):(<class 'vim.error'>, error('abc',))
+Exe("throw 'def'"):(<class 'vim.error'>, error('def',))
+vim.eval("Exe('throw ''ghi''')"):(<class 'vim.error'>, error('ghi',))
+vim.eval("Exe('echoerr ''jkl''')"):(<class 'vim.error'>, error('Vim(echoerr):jkl',))
+vim.eval("Exe('xxx_non_existent_command_xxx')"):(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
+vim.bindeval("Exe('xxx_non_existent_command_xxx')"):(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
diff --git a/src/testdir/test87.in b/src/testdir/test87.in
index 776d53a..d7d680a 100644
--- a/src/testdir/test87.in
+++ b/src/testdir/test87.in
@@ -746,16 +746,281 @@
 :$put =string(py3eval('dl2'))
 :$put =string(py3eval('df(2)'))
 :"
+:" Test errors
+:fun F() dict
+:endfun
+:fun D()
+:endfun
+py3 << EOF
+def ee(expr, g=globals(), l=locals()):
+    try:
+        try:
+            exec(expr, g, l)
+        except Exception as e:
+            cb.append(expr + ':' + repr((e.__class__, e)))
+        else:
+            cb.append(expr + ':NOT FAILED')
+    except Exception as e:
+        cb.append(expr + '::' + repr((e.__class__, e)))
+
+d = vim.Dictionary()
+ned = vim.Dictionary(foo='bar', baz='abc')
+dl = vim.Dictionary(a=1)
+dl.locked = True
+l = vim.List()
+ll = vim.List('abc')
+ll.locked = True
+f = vim.Function('string')
+fd = vim.Function('F')
+fdel = vim.Function('D')
+vim.command('delfunction D')
+
+def subexpr_test(expr, name, subexprs):
+    cb.append('>>> Testing %s using %s' % (name, expr))
+    for subexpr in subexprs:
+        ee(expr % subexpr)
+    cb.append('<<< Finished')
+
+def stringtochars_test(expr):
+    return subexpr_test(expr, 'StringToChars', (
+        '1',       # Fail type checks
+        'u"\\0"',  # Fail PyString_AsStringAndSize(bytes, , NULL) check
+        '"\\0"',   # Fail PyString_AsStringAndSize(object, , NULL) check
+    ))
+
+class Mapping(object):
+    def __init__(self, d):
+        self.d = d
+
+    def __getitem__(self, key):
+        return self.d[key]
+
+    def keys(self):
+        return self.d.keys()
+
+    def items(self):
+        return self.d.items()
+
+def convertfrompyobject_test(expr, recurse=True):
+    # pydict_to_tv
+    stringtochars_test(expr % '{%s : 1}')
+    if recurse:
+        convertfrompyobject_test(expr % '{"abc" : %s}', False)
+    # pymap_to_tv
+    stringtochars_test(expr % 'Mapping({%s : 1})')
+    if recurse:
+        convertfrompyobject_test(expr % 'Mapping({"abc" : %s})', False)
+    # pyseq_to_tv
+    iter_test(expr)
+    return subexpr_test(expr, 'ConvertFromPyObject', (
+        'None',                 # Not conversible
+        '{"": 1}',              # Empty key not allowed
+        'FailingMapping()',     #
+        'FailingMappingKey()',  #
+    ))
+
+def convertfrompymapping_test(expr):
+    convertfrompyobject_test(expr)
+    return subexpr_test(expr, 'ConvertFromPyMapping', (
+        '[]',
+    ))
+
+def iter_test(expr):
+    return subexpr_test(expr, '*Iter*', (
+        'FailingIter()',
+        'FailingIterNext()',
+    ))
+
+class FailingTrue(object):
+    def __bool__(self):
+        raise NotImplementedError
+
+class FailingIter(object):
+    def __iter__(self):
+        raise NotImplementedError
+
+class FailingIterNext(object):
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        raise NotImplementedError
+
+class FailingMappingKey(object):
+    def __getitem__(self, item):
+        raise NotImplementedError
+
+    def keys(self):
+        return list("abc")
+
+class FailingMapping(object):
+    def __getitem__(self):
+        raise NotImplementedError
+
+    def keys(self):
+        raise NotImplementedError
+
+class FailingList(list):
+    def __getitem__(self, idx):
+        if i == 2:
+            raise NotImplementedError
+        else:
+            return super(FailingList, self).__getitem__(idx)
+
+cb.append("> Output")
+cb.append(">> OutputSetattr")
+ee('del sys.stdout.softspace')
+ee('sys.stdout.softspace = []')
+ee('sys.stdout.attr = None')
+cb.append(">> OutputWrite")
+ee('sys.stdout.write(None)')
+cb.append(">> OutputWriteLines")
+ee('sys.stdout.writelines(None)')
+ee('sys.stdout.writelines([1])')
+iter_test('sys.stdout.writelines(%s)')
+cb.append("> VimCommand")
+ee('vim.command(1)')
+#! Not checked: vim->python exceptions translating: checked later
+cb.append("> VimToPython")
+#! Not checked: everything: needs errors in internal python functions
+cb.append("> VimEval")
+ee('vim.eval(1)')
+#! Not checked: everything: needs errors in internal python functions
+cb.append("> VimEvalPy")
+ee('vim.bindeval(1)')
+#! Not checked: vim->python exceptions translating: checked later
+cb.append("> VimStrwidth")
+ee('vim.strwidth(1)')
+cb.append("> Dictionary")
+cb.append(">> DictionaryConstructor")
+ee('vim.Dictionary("abc")')
+##! Not checked: py_dict_alloc failure
+cb.append(">> DictionarySetattr")
+ee('del d.locked')
+ee('d.locked = FailingTrue()')
+ee('vim.vvars.locked = False')
+ee('d.scope = True')
+ee('d.xxx = True')
+cb.append(">> _DictionaryItem")
+ee('d.get("a", 2, 3)')
+stringtochars_test('d.get(%s)')
+ee('d.pop("a")')
+ee('dl.pop("a")')
+cb.append(">> DictionaryIterNext")
+ee('for i in ned: ned["a"] = 1')
+cb.append(">> DictionaryAssItem")
+ee('dl["b"] = 1')
+stringtochars_test('d[%s] = 1')
+convertfrompyobject_test('d["a"] = %s')
+cb.append(">> DictionaryUpdate")
+cb.append(">>> kwargs")
+cb.append(">>> iter")
+ee('d.update(FailingMapping())')
+ee('d.update([FailingIterNext()])')
+iter_test('d.update(%s)')
+convertfrompyobject_test('d.update(%s)')
+stringtochars_test('d.update(((%s, 0),))')
+convertfrompyobject_test('d.update((("a", %s),))')
+cb.append(">> DictionaryPopItem")
+ee('d.popitem(1, 2)')
+cb.append(">> DictionaryHasKey")
+ee('d.has_key()')
+cb.append("> List")
+cb.append(">> ListConstructor")
+ee('vim.List(1, 2)')
+ee('vim.List(a=1)')
+iter_test('vim.List(%s)')
+convertfrompyobject_test('vim.List([%s])')
+cb.append(">> ListItem")
+ee('l[1000]')
+cb.append(">> ListAssItem")
+ee('ll[1] = 2')
+ee('l[1000] = 3')
+cb.append(">> ListAssSlice")
+ee('ll[1:100] = "abc"')
+iter_test('l[:] = %s')
+convertfrompyobject_test('l[:] = [%s]')
+cb.append(">> ListConcatInPlace")
+iter_test('l.extend(%s)')
+convertfrompyobject_test('l.extend([%s])')
+cb.append(">> ListSetattr")
+ee('del l.locked')
+ee('l.locked = FailingTrue()')
+ee('l.xxx = True')
+cb.append("> Function")
+cb.append(">> FunctionConstructor")
+ee('vim.Function("123")')
+ee('vim.Function("xxx_non_existent_function_xxx")')
+ee('vim.Function("xxx#non#existent#function#xxx")')
+cb.append(">> FunctionCall")
+convertfrompyobject_test('f(%s)')
+convertfrompymapping_test('fd(self=%s)')
+cb.append("> TabPage")
+cb.append(">> TabPageAttr")
+ee('vim.current.tabpage.xxx')
+cb.append("> TabList")
+cb.append(">> TabListItem")
+ee('vim.tabpages[1000]')
+cb.append("> Window")
+cb.append(">> WindowAttr")
+ee('vim.current.window.xxx')
+cb.append(">> WindowSetattr")
+ee('vim.current.window.buffer = 0')
+ee('vim.current.window.cursor = (10000000000, 100000000)')
+ee('vim.current.window.cursor = True')
+ee('vim.current.window.height = "abc"')
+ee('vim.current.window.width  = "abc"')
+ee('vim.current.window.xxxxxx = True')
+cb.append("> WinList")
+cb.append(">> WinListItem")
+ee('vim.windows[1000]')
+cb.append("> Buffer")
+cb.append(">> StringToLine (indirect)")
+ee('vim.current.buffer[0] = "\\na"')
+cb.append(">> SetBufferLine (indirect)")
+ee('vim.current.buffer[0] = True')
+cb.append(">> SetBufferLines (indirect)")
+ee('vim.current.buffer[:] = True')
+ee('vim.current.buffer[:] = ["\\na", "bc"]')
+cb.append(">> InsertBufferLines (indirect)")
+ee('vim.current.buffer.append(None)')
+ee('vim.current.buffer.append(["\\na", "bc"])')
+ee('vim.current.buffer.append("\\nbc")')
+cb.append(">> RBItem")
+ee('vim.current.buffer[10000000000]')
+cb.append(">> RBAsItem")
+ee('vim.current.buffer[10000000000] = ""')
+cb.append(">> BufferAttr")
+ee('vim.current.buffer.xxx')
+cb.append(">> BufferSetattr")
+ee('vim.current.buffer.name = True')
+ee('vim.current.buffer.xxx = True')
+cb.append(">> BufferMark")
+ee('vim.current.buffer.mark(0)')
+ee('vim.current.buffer.mark("abc")')
+ee('vim.current.buffer.mark("!")')
+cb.append(">> BufferRange")
+ee('vim.current.buffer.range(1, 2, 3)')
+cb.append("> BufMap")
+cb.append(">> BufMapItem")
+ee('vim.buffers[None]')
+ee('vim.buffers[100000000]')
+cb.append("> Current")
+cb.append(">> CurrentGetattr")
+ee('vim.current.xxx')
+cb.append(">> CurrentSetattr")
+ee('vim.current.line = True')
+ee('vim.current.buffer = True')
+ee('vim.current.window = True')
+ee('vim.current.tabpage = True')
+ee('vim.current.xxx = True')
+EOF
+:"
 :" Test exceptions
 :fun Exe(e)
 :   execute a:e
 :endfun
 py3 << EOF
-def ee(expr, g=globals(), l=locals()):
-    try:
-        exec(expr, g, l)
-    except Exception as e:
-        cb.append(repr((e.__class__, e)))
 Exe = vim.bindeval('function("Exe")')
 ee('vim.command("throw \'abc\'")')
 ee('Exe("throw \'def\'")')
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index 2d732fd..7a1f6c9 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -418,9 +418,653 @@
 ['a', 'b', 'c']
 [2, 2]
 [2, 2]
-(<class 'vim.error'>, error('abc',))
-(<class 'vim.error'>, error('def',))
-(<class 'vim.error'>, error('ghi',))
-(<class 'vim.error'>, error('Vim(echoerr):jkl',))
-(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
-(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
+> Output
+>> OutputSetattr
+del sys.stdout.softspace:(<class 'AttributeError'>, AttributeError("can't delete OutputObject attributes",))
+sys.stdout.softspace = []:(<class 'TypeError'>, TypeError('softspace must be an integer',))
+sys.stdout.attr = None:(<class 'AttributeError'>, AttributeError('invalid attribute',))
+>> OutputWrite
+sys.stdout.write(None):(<class 'TypeError'>, TypeError("Can't convert 'NoneType' object to str implicitly",))
+>> OutputWriteLines
+sys.stdout.writelines(None):(<class 'TypeError'>, TypeError("'NoneType' object is not iterable",))
+sys.stdout.writelines([1]):(<class 'TypeError'>, TypeError('writelines() requires list of strings',))
+>>> Testing *Iter* using sys.stdout.writelines(%s)
+sys.stdout.writelines(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
+sys.stdout.writelines(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+> VimCommand
+vim.command(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+> VimToPython
+> VimEval
+vim.eval(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+> VimEvalPy
+vim.bindeval(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+> VimStrwidth
+vim.strwidth(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+> Dictionary
+>> DictionaryConstructor
+vim.Dictionary("abc"):(<class 'ValueError'>, ValueError('expected sequence element of size 2',))
+>> DictionarySetattr
+del d.locked:(<class 'AttributeError'>, AttributeError('cannot delete vim.Dictionary attributes',))
+d.locked = FailingTrue():(<class 'NotImplementedError'>, NotImplementedError())
+vim.vvars.locked = False:(<class 'TypeError'>, TypeError('cannot modify fixed dictionary',))
+d.scope = True:(<class 'AttributeError'>, AttributeError('cannot set this attribute',))
+d.xxx = True:(<class 'AttributeError'>, AttributeError('cannot set this attribute',))
+>> _DictionaryItem
+d.get("a", 2, 3):(<class 'TypeError'>, TypeError('function takes at most 2 arguments (3 given)',))
+>>> Testing StringToChars using d.get(%s)
+d.get(1):(<class 'TypeError'>, TypeError('object must be string',))
+d.get(u"\0"):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.get("\0"):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+d.pop("a"):(<class 'KeyError'>, KeyError('a',))
+dl.pop("a"):(<class 'vim.error'>, error('dict is locked',))
+>> DictionaryIterNext
+for i in ned: ned["a"] = 1:(<class 'RuntimeError'>, RuntimeError('hashtab changed during iteration',))
+>> DictionaryAssItem
+dl["b"] = 1:(<class 'vim.error'>, error('dict is locked',))
+>>> Testing StringToChars using d[%s] = 1
+d[1] = 1:(<class 'TypeError'>, TypeError('object must be string',))
+d[u"\0"] = 1:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["\0"] = 1:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {%s : 1}
+d["a"] = {1 : 1}:(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = {u"\0" : 1}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = {"\0" : 1}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {"abc" : {%s : 1}}
+d["a"] = {"abc" : {1 : 1}}:(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = {"abc" : {u"\0" : 1}}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = {"abc" : {"\0" : 1}}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = {"abc" : Mapping({%s : 1})}
+d["a"] = {"abc" : Mapping({1 : 1})}:(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = {"abc" : Mapping({u"\0" : 1})}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = {"abc" : Mapping({"\0" : 1})}:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d["a"] = {"abc" : %s}
+d["a"] = {"abc" : FailingIter()}:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"abc" : FailingIterNext()}:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = {"abc" : %s}
+d["a"] = {"abc" : None}:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"abc" : {"": 1}}:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = {"abc" : FailingMapping()}:(<class 'NotImplementedError'>, NotImplementedError())
+d["a"] = {"abc" : FailingMappingKey()}:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({%s : 1})
+d["a"] = Mapping({1 : 1}):(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({u"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = Mapping({"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({"abc" : {%s : 1}})
+d["a"] = Mapping({"abc" : {1 : 1}}):(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({"abc" : {u"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = Mapping({"abc" : {"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d["a"] = Mapping({"abc" : Mapping({%s : 1})})
+d["a"] = Mapping({"abc" : Mapping({1 : 1})}):(<class 'TypeError'>, TypeError('object must be string',))
+d["a"] = Mapping({"abc" : Mapping({u"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d["a"] = Mapping({"abc" : Mapping({"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d["a"] = Mapping({"abc" : %s})
+d["a"] = Mapping({"abc" : FailingIter()}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = Mapping({"abc" : FailingIterNext()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = Mapping({"abc" : %s})
+d["a"] = Mapping({"abc" : None}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = Mapping({"abc" : {"": 1}}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = Mapping({"abc" : FailingMapping()}):(<class 'NotImplementedError'>, NotImplementedError())
+d["a"] = Mapping({"abc" : FailingMappingKey()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d["a"] = %s
+d["a"] = FailingIter():(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = FailingIterNext():(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d["a"] = %s
+d["a"] = None:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d["a"] = {"": 1}:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d["a"] = FailingMapping():(<class 'NotImplementedError'>, NotImplementedError())
+d["a"] = FailingMappingKey():(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> DictionaryUpdate
+>>> kwargs
+>>> iter
+d.update(FailingMapping()):(<class 'NotImplementedError'>, NotImplementedError())
+d.update([FailingIterNext()]):(<class 'NotImplementedError'>, NotImplementedError())
+>>> Testing *Iter* using d.update(%s)
+d.update(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
+d.update(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update({%s : 1})
+d.update({1 : 1}):(<class 'TypeError'>, TypeError('object must be string',))
+d.update({u"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update({"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update({"abc" : {%s : 1}})
+d.update({"abc" : {1 : 1}}):(<class 'TypeError'>, TypeError('object must be string',))
+d.update({"abc" : {u"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update({"abc" : {"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update({"abc" : Mapping({%s : 1})})
+d.update({"abc" : Mapping({1 : 1})}):(<class 'TypeError'>, TypeError('object must be string',))
+d.update({"abc" : Mapping({u"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update({"abc" : Mapping({"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d.update({"abc" : %s})
+d.update({"abc" : FailingIter()}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update({"abc" : FailingIterNext()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update({"abc" : %s})
+d.update({"abc" : None}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update({"abc" : {"": 1}}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update({"abc" : FailingMapping()}):(<class 'NotImplementedError'>, NotImplementedError())
+d.update({"abc" : FailingMappingKey()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({%s : 1}))
+d.update(Mapping({1 : 1})):(<class 'TypeError'>, TypeError('object must be string',))
+d.update(Mapping({u"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update(Mapping({"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({"abc" : {%s : 1}}))
+d.update(Mapping({"abc" : {1 : 1}})):(<class 'TypeError'>, TypeError('object must be string',))
+d.update(Mapping({"abc" : {u"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update(Mapping({"abc" : {"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update(Mapping({"abc" : Mapping({%s : 1})}))
+d.update(Mapping({"abc" : Mapping({1 : 1})})):(<class 'TypeError'>, TypeError('object must be string',))
+d.update(Mapping({"abc" : Mapping({u"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update(Mapping({"abc" : Mapping({"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d.update(Mapping({"abc" : %s}))
+d.update(Mapping({"abc" : FailingIter()})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update(Mapping({"abc" : FailingIterNext()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update(Mapping({"abc" : %s}))
+d.update(Mapping({"abc" : None})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update(Mapping({"abc" : {"": 1}})):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update(Mapping({"abc" : FailingMapping()})):(<class 'NotImplementedError'>, NotImplementedError())
+d.update(Mapping({"abc" : FailingMappingKey()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d.update(%s)
+d.update(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
+d.update(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update(%s)
+d.update(None):(<class 'TypeError'>, TypeError("'NoneType' object is not iterable",))
+d.update({"": 1}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update(FailingMapping()):(<class 'NotImplementedError'>, NotImplementedError())
+d.update(FailingMappingKey()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update(((%s, 0),))
+d.update(((1, 0),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update(((u"\0", 0),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("\0", 0),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {%s : 1}),))
+d.update((("a", {1 : 1}),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", {u"\0" : 1}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", {"\0" : 1}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {"abc" : {%s : 1}}),))
+d.update((("a", {"abc" : {1 : 1}}),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", {"abc" : {u"\0" : 1}}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", {"abc" : {"\0" : 1}}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", {"abc" : Mapping({%s : 1})}),))
+d.update((("a", {"abc" : Mapping({1 : 1})}),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", {"abc" : Mapping({u"\0" : 1})}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", {"abc" : Mapping({"\0" : 1})}),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d.update((("a", {"abc" : %s}),))
+d.update((("a", {"abc" : FailingIter()}),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"abc" : FailingIterNext()}),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", {"abc" : %s}),))
+d.update((("a", {"abc" : None}),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"abc" : {"": 1}}),)):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", {"abc" : FailingMapping()}),)):(<class 'NotImplementedError'>, NotImplementedError())
+d.update((("a", {"abc" : FailingMappingKey()}),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({%s : 1})),))
+d.update((("a", Mapping({1 : 1})),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({u"\0" : 1})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", Mapping({"\0" : 1})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({"abc" : {%s : 1}})),))
+d.update((("a", Mapping({"abc" : {1 : 1}})),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({"abc" : {u"\0" : 1}})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", Mapping({"abc" : {"\0" : 1}})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using d.update((("a", Mapping({"abc" : Mapping({%s : 1})})),))
+d.update((("a", Mapping({"abc" : Mapping({1 : 1})})),)):(<class 'TypeError'>, TypeError('object must be string',))
+d.update((("a", Mapping({"abc" : Mapping({u"\0" : 1})})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+d.update((("a", Mapping({"abc" : Mapping({"\0" : 1})})),)):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using d.update((("a", Mapping({"abc" : %s})),))
+d.update((("a", Mapping({"abc" : FailingIter()})),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", Mapping({"abc" : FailingIterNext()})),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", Mapping({"abc" : %s})),))
+d.update((("a", Mapping({"abc" : None})),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", Mapping({"abc" : {"": 1}})),)):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", Mapping({"abc" : FailingMapping()})),)):(<class 'NotImplementedError'>, NotImplementedError())
+d.update((("a", Mapping({"abc" : FailingMappingKey()})),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using d.update((("a", %s),))
+d.update((("a", FailingIter()),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", FailingIterNext()),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using d.update((("a", %s),))
+d.update((("a", None),)):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+d.update((("a", {"": 1}),)):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+d.update((("a", FailingMapping()),)):(<class 'NotImplementedError'>, NotImplementedError())
+d.update((("a", FailingMappingKey()),)):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> DictionaryPopItem
+d.popitem(1, 2):(<class 'TypeError'>, TypeError('function takes exactly 1 argument (2 given)',))
+>> DictionaryHasKey
+d.has_key():(<class 'TypeError'>, TypeError('function takes exactly 1 argument (0 given)',))
+> List
+>> ListConstructor
+vim.List(1, 2):(<class 'TypeError'>, TypeError('function takes at most 1 argument (2 given)',))
+vim.List(a=1):(<class 'TypeError'>, TypeError('list constructor does not accept keyword arguments',))
+>>> Testing *Iter* using vim.List(%s)
+vim.List(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
+vim.List(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using vim.List([{%s : 1}])
+vim.List([{1 : 1}]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([{u"\0" : 1}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([{"\0" : 1}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using vim.List([{"abc" : {%s : 1}}])
+vim.List([{"abc" : {1 : 1}}]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([{"abc" : {u"\0" : 1}}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([{"abc" : {"\0" : 1}}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using vim.List([{"abc" : Mapping({%s : 1})}])
+vim.List([{"abc" : Mapping({1 : 1})}]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([{"abc" : Mapping({u"\0" : 1})}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([{"abc" : Mapping({"\0" : 1})}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using vim.List([{"abc" : %s}])
+vim.List([{"abc" : FailingIter()}]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"abc" : FailingIterNext()}]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([{"abc" : %s}])
+vim.List([{"abc" : None}]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"abc" : {"": 1}}]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([{"abc" : FailingMapping()}]):(<class 'NotImplementedError'>, NotImplementedError())
+vim.List([{"abc" : FailingMappingKey()}]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({%s : 1})])
+vim.List([Mapping({1 : 1})]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({u"\0" : 1})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([Mapping({"\0" : 1})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({"abc" : {%s : 1}})])
+vim.List([Mapping({"abc" : {1 : 1}})]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({"abc" : {u"\0" : 1}})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([Mapping({"abc" : {"\0" : 1}})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using vim.List([Mapping({"abc" : Mapping({%s : 1})})])
+vim.List([Mapping({"abc" : Mapping({1 : 1})})]):(<class 'TypeError'>, TypeError('object must be string',))
+vim.List([Mapping({"abc" : Mapping({u"\0" : 1})})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.List([Mapping({"abc" : Mapping({"\0" : 1})})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using vim.List([Mapping({"abc" : %s})])
+vim.List([Mapping({"abc" : FailingIter()})]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([Mapping({"abc" : FailingIterNext()})]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([Mapping({"abc" : %s})])
+vim.List([Mapping({"abc" : None})]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([Mapping({"abc" : {"": 1}})]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([Mapping({"abc" : FailingMapping()})]):(<class 'NotImplementedError'>, NotImplementedError())
+vim.List([Mapping({"abc" : FailingMappingKey()})]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using vim.List([%s])
+vim.List([FailingIter()]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([FailingIterNext()]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using vim.List([%s])
+vim.List([None]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+vim.List([{"": 1}]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+vim.List([FailingMapping()]):(<class 'NotImplementedError'>, NotImplementedError())
+vim.List([FailingMappingKey()]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListItem
+l[1000]:(<class 'IndexError'>, IndexError('list index out of range',))
+>> ListAssItem
+ll[1] = 2:(<class 'vim.error'>, error('list is locked',))
+l[1000] = 3:(<class 'IndexError'>, IndexError('list index out of range',))
+>> ListAssSlice
+ll[1:100] = "abc":(<class 'vim.error'>, error('list is locked',))
+>>> Testing *Iter* using l[:] = %s
+l[:] = FailingIter():(<class 'NotImplementedError'>, NotImplementedError())
+l[:] = FailingIterNext()::(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l[:] = [{%s : 1}]
+l[:] = [{1 : 1}]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [{u"\0" : 1}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [{"\0" : 1}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [{"abc" : {%s : 1}}]
+l[:] = [{"abc" : {1 : 1}}]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [{"abc" : {u"\0" : 1}}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [{"abc" : {"\0" : 1}}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [{"abc" : Mapping({%s : 1})}]
+l[:] = [{"abc" : Mapping({1 : 1})}]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [{"abc" : Mapping({u"\0" : 1})}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [{"abc" : Mapping({"\0" : 1})}]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using l[:] = [{"abc" : %s}]
+l[:] = [{"abc" : FailingIter()}]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"abc" : FailingIterNext()}]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [{"abc" : %s}]
+l[:] = [{"abc" : None}]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"abc" : {"": 1}}]:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [{"abc" : FailingMapping()}]:(<class 'NotImplementedError'>, NotImplementedError())
+l[:] = [{"abc" : FailingMappingKey()}]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({%s : 1})]
+l[:] = [Mapping({1 : 1})]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({u"\0" : 1})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [Mapping({"\0" : 1})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({"abc" : {%s : 1}})]
+l[:] = [Mapping({"abc" : {1 : 1}})]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({"abc" : {u"\0" : 1}})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [Mapping({"abc" : {"\0" : 1}})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l[:] = [Mapping({"abc" : Mapping({%s : 1})})]
+l[:] = [Mapping({"abc" : Mapping({1 : 1})})]:(<class 'TypeError'>, TypeError('object must be string',))
+l[:] = [Mapping({"abc" : Mapping({u"\0" : 1})})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l[:] = [Mapping({"abc" : Mapping({"\0" : 1})})]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using l[:] = [Mapping({"abc" : %s})]
+l[:] = [Mapping({"abc" : FailingIter()})]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [Mapping({"abc" : FailingIterNext()})]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [Mapping({"abc" : %s})]
+l[:] = [Mapping({"abc" : None})]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [Mapping({"abc" : {"": 1}})]:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [Mapping({"abc" : FailingMapping()})]:(<class 'NotImplementedError'>, NotImplementedError())
+l[:] = [Mapping({"abc" : FailingMappingKey()})]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using l[:] = [%s]
+l[:] = [FailingIter()]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [FailingIterNext()]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l[:] = [%s]
+l[:] = [None]:(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l[:] = [{"": 1}]:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l[:] = [FailingMapping()]:(<class 'NotImplementedError'>, NotImplementedError())
+l[:] = [FailingMappingKey()]:(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListConcatInPlace
+>>> Testing *Iter* using l.extend(%s)
+l.extend(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
+l.extend(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l.extend([{%s : 1}])
+l.extend([{1 : 1}]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([{u"\0" : 1}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([{"\0" : 1}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l.extend([{"abc" : {%s : 1}}])
+l.extend([{"abc" : {1 : 1}}]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([{"abc" : {u"\0" : 1}}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([{"abc" : {"\0" : 1}}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l.extend([{"abc" : Mapping({%s : 1})}])
+l.extend([{"abc" : Mapping({1 : 1})}]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([{"abc" : Mapping({u"\0" : 1})}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([{"abc" : Mapping({"\0" : 1})}]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using l.extend([{"abc" : %s}])
+l.extend([{"abc" : FailingIter()}]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"abc" : FailingIterNext()}]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([{"abc" : %s}])
+l.extend([{"abc" : None}]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"abc" : {"": 1}}]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([{"abc" : FailingMapping()}]):(<class 'NotImplementedError'>, NotImplementedError())
+l.extend([{"abc" : FailingMappingKey()}]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({%s : 1})])
+l.extend([Mapping({1 : 1})]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({u"\0" : 1})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([Mapping({"\0" : 1})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({"abc" : {%s : 1}})])
+l.extend([Mapping({"abc" : {1 : 1}})]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({"abc" : {u"\0" : 1}})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([Mapping({"abc" : {"\0" : 1}})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using l.extend([Mapping({"abc" : Mapping({%s : 1})})])
+l.extend([Mapping({"abc" : Mapping({1 : 1})})]):(<class 'TypeError'>, TypeError('object must be string',))
+l.extend([Mapping({"abc" : Mapping({u"\0" : 1})})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+l.extend([Mapping({"abc" : Mapping({"\0" : 1})})]):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using l.extend([Mapping({"abc" : %s})])
+l.extend([Mapping({"abc" : FailingIter()})]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([Mapping({"abc" : FailingIterNext()})]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([Mapping({"abc" : %s})])
+l.extend([Mapping({"abc" : None})]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([Mapping({"abc" : {"": 1}})]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([Mapping({"abc" : FailingMapping()})]):(<class 'NotImplementedError'>, NotImplementedError())
+l.extend([Mapping({"abc" : FailingMappingKey()})]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using l.extend([%s])
+l.extend([FailingIter()]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([FailingIterNext()]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using l.extend([%s])
+l.extend([None]):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+l.extend([{"": 1}]):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+l.extend([FailingMapping()]):(<class 'NotImplementedError'>, NotImplementedError())
+l.extend([FailingMappingKey()]):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>> ListSetattr
+del l.locked:(<class 'AttributeError'>, AttributeError('cannot delete vim.List attributes',))
+l.locked = FailingTrue():(<class 'NotImplementedError'>, NotImplementedError())
+l.xxx = True:(<class 'AttributeError'>, AttributeError('cannot set this attribute',))
+> Function
+>> FunctionConstructor
+vim.Function("123"):(<class 'ValueError'>, ValueError('unnamed function does not exist',))
+vim.Function("xxx_non_existent_function_xxx"):(<class 'ValueError'>, ValueError('function does not exist',))
+vim.Function("xxx#non#existent#function#xxx"):(<class 'ValueError'>, ValueError('function does not exist',))
+>> FunctionCall
+>>> Testing StringToChars using f({%s : 1})
+f({1 : 1}):(<class 'TypeError'>, TypeError('object must be string',))
+f({u"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f({"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using f({"abc" : {%s : 1}})
+f({"abc" : {1 : 1}}):(<class 'TypeError'>, TypeError('object must be string',))
+f({"abc" : {u"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f({"abc" : {"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using f({"abc" : Mapping({%s : 1})})
+f({"abc" : Mapping({1 : 1})}):(<class 'TypeError'>, TypeError('object must be string',))
+f({"abc" : Mapping({u"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f({"abc" : Mapping({"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using f({"abc" : %s})
+f({"abc" : FailingIter()}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f({"abc" : FailingIterNext()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f({"abc" : %s})
+f({"abc" : None}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f({"abc" : {"": 1}}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+f({"abc" : FailingMapping()}):(<class 'NotImplementedError'>, NotImplementedError())
+f({"abc" : FailingMappingKey()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using f(Mapping({%s : 1}))
+f(Mapping({1 : 1})):(<class 'TypeError'>, TypeError('object must be string',))
+f(Mapping({u"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f(Mapping({"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using f(Mapping({"abc" : {%s : 1}}))
+f(Mapping({"abc" : {1 : 1}})):(<class 'TypeError'>, TypeError('object must be string',))
+f(Mapping({"abc" : {u"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f(Mapping({"abc" : {"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using f(Mapping({"abc" : Mapping({%s : 1})}))
+f(Mapping({"abc" : Mapping({1 : 1})})):(<class 'TypeError'>, TypeError('object must be string',))
+f(Mapping({"abc" : Mapping({u"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+f(Mapping({"abc" : Mapping({"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using f(Mapping({"abc" : %s}))
+f(Mapping({"abc" : FailingIter()})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f(Mapping({"abc" : FailingIterNext()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f(Mapping({"abc" : %s}))
+f(Mapping({"abc" : None})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f(Mapping({"abc" : {"": 1}})):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+f(Mapping({"abc" : FailingMapping()})):(<class 'NotImplementedError'>, NotImplementedError())
+f(Mapping({"abc" : FailingMappingKey()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using f(%s)
+f(FailingIter()):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using f(%s)
+f(None):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+f({"": 1}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+f(FailingMapping()):(<class 'NotImplementedError'>, NotImplementedError())
+f(FailingMappingKey()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using fd(self={%s : 1})
+fd(self={1 : 1}):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self={u"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self={"\0" : 1}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using fd(self={"abc" : {%s : 1}})
+fd(self={"abc" : {1 : 1}}):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self={"abc" : {u"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self={"abc" : {"\0" : 1}}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using fd(self={"abc" : Mapping({%s : 1})})
+fd(self={"abc" : Mapping({1 : 1})}):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self={"abc" : Mapping({u"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self={"abc" : Mapping({"\0" : 1})}):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using fd(self={"abc" : %s})
+fd(self={"abc" : FailingIter()}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self={"abc" : FailingIterNext()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self={"abc" : %s})
+fd(self={"abc" : None}):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self={"abc" : {"": 1}}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+fd(self={"abc" : FailingMapping()}):(<class 'NotImplementedError'>, NotImplementedError())
+fd(self={"abc" : FailingMappingKey()}):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({%s : 1}))
+fd(self=Mapping({1 : 1})):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({u"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self=Mapping({"\0" : 1})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({"abc" : {%s : 1}}))
+fd(self=Mapping({"abc" : {1 : 1}})):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({"abc" : {u"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self=Mapping({"abc" : {"\0" : 1}})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing StringToChars using fd(self=Mapping({"abc" : Mapping({%s : 1})}))
+fd(self=Mapping({"abc" : Mapping({1 : 1})})):(<class 'TypeError'>, TypeError('object must be string',))
+fd(self=Mapping({"abc" : Mapping({u"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+fd(self=Mapping({"abc" : Mapping({"\0" : 1})})):(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>>> Testing *Iter* using fd(self=Mapping({"abc" : %s}))
+fd(self=Mapping({"abc" : FailingIter()})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self=Mapping({"abc" : FailingIterNext()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self=Mapping({"abc" : %s}))
+fd(self=Mapping({"abc" : None})):(<class 'TypeError'>, TypeError('unable to convert to vim structure',))
+fd(self=Mapping({"abc" : {"": 1}})):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+fd(self=Mapping({"abc" : FailingMapping()})):(<class 'NotImplementedError'>, NotImplementedError())
+fd(self=Mapping({"abc" : FailingMappingKey()})):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing *Iter* using fd(self=%s)
+fd(self=FailingIter()):(<class 'TypeError'>, TypeError('unable to convert object to vim dictionary',))
+fd(self=FailingIterNext()):(<class 'TypeError'>, TypeError('unable to convert object to vim dictionary',))
+<<< Finished
+>>> Testing ConvertFromPyObject using fd(self=%s)
+fd(self=None):(<class 'TypeError'>, TypeError('unable to convert object to vim dictionary',))
+fd(self={"": 1}):(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+fd(self=FailingMapping()):(<class 'NotImplementedError'>, NotImplementedError())
+fd(self=FailingMappingKey()):(<class 'NotImplementedError'>, NotImplementedError())
+<<< Finished
+>>> Testing ConvertFromPyMapping using fd(self=%s)
+fd(self=[]):(<class 'AttributeError'>, AttributeError("'list' object has no attribute 'keys'",))
+<<< Finished
+> TabPage
+>> TabPageAttr
+vim.current.tabpage.xxx:(<class 'AttributeError'>, AttributeError("'vim.tabpage' object has no attribute 'xxx'",))
+> TabList
+>> TabListItem
+vim.tabpages[1000]:(<class 'IndexError'>, IndexError('no such tab page',))
+> Window
+>> WindowAttr
+vim.current.window.xxx:(<class 'AttributeError'>, AttributeError("'vim.window' object has no attribute 'xxx'",))
+>> WindowSetattr
+vim.current.window.buffer = 0:(<class 'TypeError'>, TypeError('readonly attribute',))
+vim.current.window.cursor = (10000000000, 100000000):(<class 'vim.error'>, error('cursor position outside buffer',))
+vim.current.window.cursor = True:(<class 'TypeError'>, TypeError('argument must be 2-item sequence, not bool',))
+vim.current.window.height = "abc":(<class 'TypeError'>, TypeError('an integer is required',))
+vim.current.window.width  = "abc":(<class 'TypeError'>, TypeError('an integer is required',))
+vim.current.window.xxxxxx = True:(<class 'AttributeError'>, AttributeError('xxxxxx',))
+> WinList
+>> WinListItem
+vim.windows[1000]:(<class 'IndexError'>, IndexError('no such window',))
+> Buffer
+>> StringToLine (indirect)
+vim.current.buffer[0] = "\na":(<class 'vim.error'>, error('string cannot contain newlines',))
+>> SetBufferLine (indirect)
+vim.current.buffer[0] = True:(<class 'TypeError'>, TypeError('bad argument type for built-in operation',))
+>> SetBufferLines (indirect)
+vim.current.buffer[:] = True:(<class 'TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer[:] = ["\na", "bc"]:(<class 'vim.error'>, error('string cannot contain newlines',))
+>> InsertBufferLines (indirect)
+vim.current.buffer.append(None):(<class 'TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer.append(["\na", "bc"]):(<class 'vim.error'>, error('string cannot contain newlines',))
+vim.current.buffer.append("\nbc"):(<class 'vim.error'>, error('string cannot contain newlines',))
+>> RBItem
+vim.current.buffer[10000000000]:(<class 'IndexError'>, IndexError('line number out of range',))
+>> RBAsItem
+vim.current.buffer[10000000000] = "":(<class 'IndexError'>, IndexError('line number out of range',))
+>> BufferAttr
+vim.current.buffer.xxx:(<class 'AttributeError'>, AttributeError("'vim.buffer' object has no attribute 'xxx'",))
+>> BufferSetattr
+vim.current.buffer.name = True:(<class 'TypeError'>, TypeError('object must be string',))
+vim.current.buffer.xxx = True:(<class 'AttributeError'>, AttributeError('xxx',))
+>> BufferMark
+vim.current.buffer.mark(0):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.current.buffer.mark("abc"):(<class 'ValueError'>, ValueError('mark name must be a single character',))
+vim.current.buffer.mark("!"):(<class 'vim.error'>, error('invalid mark name',))
+>> BufferRange
+vim.current.buffer.range(1, 2, 3):(<class 'TypeError'>, TypeError('function takes exactly 2 arguments (3 given)',))
+> BufMap
+>> BufMapItem
+vim.buffers[None]:(<class 'TypeError'>, TypeError('key must be integer',))
+vim.buffers[100000000]:(<class 'KeyError'>, KeyError(100000000,))
+> Current
+>> CurrentGetattr
+vim.current.xxx:(<class 'AttributeError'>, AttributeError("'vim.currentdata' object has no attribute 'xxx'",))
+>> CurrentSetattr
+vim.current.line = True:(<class 'TypeError'>, TypeError('bad argument type for built-in operation',))
+vim.current.buffer = True:(<class 'TypeError'>, TypeError('expected vim.Buffer object',))
+vim.current.window = True:(<class 'TypeError'>, TypeError('expected vim.Window object',))
+vim.current.tabpage = True:(<class 'TypeError'>, TypeError('expected vim.TabPage object',))
+vim.current.xxx = True:(<class 'AttributeError'>, AttributeError('xxx',))
+vim.command("throw 'abc'"):(<class 'vim.error'>, error('abc',))
+Exe("throw 'def'"):(<class 'vim.error'>, error('def',))
+vim.eval("Exe('throw ''ghi''')"):(<class 'vim.error'>, error('ghi',))
+vim.eval("Exe('echoerr ''jkl''')"):(<class 'vim.error'>, error('Vim(echoerr):jkl',))
+vim.eval("Exe('xxx_non_existent_command_xxx')"):(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
+vim.bindeval("Exe('xxx_non_existent_command_xxx')"):(<class 'vim.error'>, error('Vim:E492: Not an editor command: xxx_non_existent_command_xxx',))
diff --git a/src/version.c b/src/version.c
index 7601180..3bf1f29 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1066,
+/**/
     1065,
 /**/
     1064,