patch 9.1.0387: Vim9: null value tests not sufficient
Problem: Vim9: null value tests not sufficient
Solution: Add a more comprehensive test for null values
(Yegappan Lakshmanan)
closes: #14701
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index a3f21be..9ec92b3 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -5055,6 +5055,34 @@
v9.CheckSourceSuccess(lines)
enddef
+" Test for using various null values
+def Test_null_values()
+ var lines =<< trim END
+ var nullValues = [
+ [null, 1, 'null', 7, 'special'],
+ [null_blob, 1, '0z', 10, 'blob'],
+ [null_channel, 1, 'channel fail', 9, 'channel'],
+ [null_dict, 1, '{}', 4, 'dict<any>'],
+ [null_function, 1, "function('')", 2, 'func(...): unknown'],
+ [null_job, 1, 'no process', 8, 'job'],
+ [null_list, 1, '[]', 3, 'list<any>'],
+ [null_object, 1, 'object of [unknown]', 13, 'object<Unknown>'],
+ [null_partial, 1, "function('')", 2, 'func(...): unknown'],
+ [null_string, 1, "''", 1, 'string']
+ ]
+
+ for [Val, emptyExp, stringExp, typeExp, typenameExp] in nullValues
+ assert_equal(emptyExp, empty(Val))
+ assert_equal(stringExp, string(Val))
+ assert_equal(typeExp, type(Val))
+ assert_equal(typenameExp, typename(Val))
+ assert_equal(Val, copy(Val))
+ assert_equal(-1, test_refcount(Val))
+ endfor
+ END
+ v9.CheckSourceDefAndScriptSuccess(lines)
+enddef
+
" Keep this last, it messes up highlighting.
def Test_substitute_cmd()
new