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patch 8.2.4529: Vim9: comparing partial with function fails

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Problem:    Vim9: comparing partial with function fails.
Solution:   Support this comparison.  Avoid a crash. (closes #9909)
            Add more test cases.
This commit is contained in:
Bram Moolenaar
2022-03-08 19:43:55 +00:00
parent 673bcb10eb
commit ed0c62e7b1
8 changed files with 64 additions and 8 deletions
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38
src/testdir/test_vim9_expr.vim
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@@ -717,21 +717,33 @@ def Test_expr4_compare_null()
g:not_null_list = []
var lines =<< trim END
assert_true(test_null_blob() == v:null)
assert_true(null_blob == null)
assert_true(v:null == test_null_blob())
assert_true(null == null_blob)
assert_false(test_null_blob() != v:null)
assert_false(null_blob != null)
assert_false(v:null != test_null_blob())
assert_false(null != null_blob)
if has('channel')
assert_true(test_null_channel() == v:null)
assert_true(null_channel == null)
assert_true(v:null == test_null_channel())
assert_true(null == null_channel)
assert_false(test_null_channel() != v:null)
assert_false(null_channel != null)
assert_false(v:null != test_null_channel())
assert_false(null != null_channel)
endif
assert_true(test_null_dict() == v:null)
assert_true(null_dict == null)
assert_true(v:null == test_null_dict())
assert_true(null == null_dict)
assert_false(test_null_dict() != v:null)
assert_false(null_dict != null)
assert_false(v:null != test_null_dict())
assert_false(null != null_dict)
assert_true(g:null_dict == v:null)
assert_true(v:null == g:null_dict)
@@ -739,21 +751,33 @@ def Test_expr4_compare_null()
assert_false(v:null != g:null_dict)
assert_true(test_null_function() == v:null)
assert_true(null_function == null)
assert_true(v:null == test_null_function())
assert_true(null == null_function)
assert_false(test_null_function() != v:null)
assert_false(null_function != null)
assert_false(v:null != test_null_function())
assert_false(null != null_function)
if has('job')
assert_true(test_null_job() == v:null)
assert_true(null_job == null)
assert_true(v:null == test_null_job())
assert_true(null == null_job)
assert_false(test_null_job() != v:null)
assert_false(null_job != null)
assert_false(v:null != test_null_job())
assert_false(null != null_job)
endif
assert_true(test_null_list() == v:null)
assert_true(null_list == null)
assert_true(v:null == test_null_list())
assert_true(null == null_list)
assert_false(test_null_list() != v:null)
assert_false(null_list != null)
assert_false(v:null != test_null_list())
assert_false(null != null_list)
assert_false(g:not_null_list == v:null)
assert_false(v:null == g:not_null_list)
@@ -761,19 +785,33 @@ def Test_expr4_compare_null()
assert_true(v:null != g:not_null_list)
assert_true(test_null_partial() == v:null)
assert_true(null_partial == null)
assert_true(v:null == test_null_partial())
assert_true(null == null_partial)
assert_false(test_null_partial() != v:null)
assert_false(null_partial != null)
assert_false(v:null != test_null_partial())
assert_false(null != null_partial)
assert_true(test_null_string() == v:null)
assert_true(null_string == null)
assert_true(v:null == test_null_string())
assert_true(null == null_string)
assert_false(test_null_string() != v:null)
assert_false(null_string != null)
assert_false(v:null != test_null_string())
assert_false(null != null_string)
END
v9.CheckDefAndScriptSuccess(lines)
unlet g:null_dict
unlet g:not_null_list
lines =<< trim END
var d: dict<func> = {f: null_function}
assert_equal(null_function, d.f)
END
v9.CheckDefAndScriptSuccess(lines)
v9.CheckDefAndScriptFailure(['echo 123 == v:null'], 'E1072: Cannot compare number with special')
v9.CheckDefAndScriptFailure(['echo v:null == 123'], 'E1072: Cannot compare special with number')
v9.CheckDefAndScriptFailure(['echo 123 != v:null'], 'E1072: Cannot compare number with special')