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patch 9.1.0387: Vim9: null value tests not sufficient

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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>
This commit is contained in:
Yegappan Lakshmanan
2024-05-02 13:02:36 +02:00
committed by Christian Brabandt
parent 3ca2ae180a
commit da9d345b3d
7 changed files with 36 additions and 32 deletions
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28
src/testdir/test_vim9_script.vim
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@@ -5055,6 +5055,34 @@ def Test_eval_lambda_block()
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