patch 9.0.2059: outstanding exceptions may be skipped
Problem: outstanding exceptions may be skipped
Solution: When restoring exception state, process remaining outstanding
exceptions
closes: #13386
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 75a358e..cac8484 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -4725,6 +4725,64 @@
v9.CheckScriptSuccess(lines)
enddef
+" Test for multiple deferred function which throw exceptions.
+" Exceptions thrown by deferred functions should result in error messages but
+" not propagated into the calling functions.
+def Test_multidefer_with_exception()
+ var lines =<< trim END
+ vim9script
+
+ var callTrace: list<number> = []
+ def Except()
+ callTrace += [1]
+ throw 'InnerException'
+ callTrace += [2]
+ enddef
+
+ def FirstDefer()
+ callTrace += [3]
+ callTrace += [4]
+ enddef
+
+ def SecondDeferWithExcept()
+ callTrace += [5]
+ Except()
+ callTrace += [6]
+ enddef
+
+ def ThirdDefer()
+ callTrace += [7]
+ callTrace += [8]
+ enddef
+
+ def Foo()
+ callTrace += [9]
+ defer FirstDefer()
+ defer SecondDeferWithExcept()
+ defer ThirdDefer()
+ callTrace += [10]
+ enddef
+
+ v:errmsg = ''
+ try
+ callTrace += [11]
+ Foo()
+ callTrace += [12]
+ catch /TestException/
+ callTrace += [13]
+ catch
+ callTrace += [14]
+ finally
+ callTrace += [15]
+ endtry
+ callTrace += [16]
+
+ assert_equal('E605: Exception not caught: InnerException', v:errmsg)
+ assert_equal([11, 9, 10, 7, 8, 5, 1, 3, 4, 12, 15, 16], callTrace)
+ END
+ v9.CheckScriptSuccess(lines)
+enddef
+
" Keep this last, it messes up highlighting.
def Test_substitute_cmd()
new