patch 8.2.4533: Vim9: no test that after assigning null type is still checked
Problem: Vim9: no test that after assigning null the type is still checked.
Solution: Add a test.
diff --git a/src/testdir/test_vim9_assign.vim b/src/testdir/test_vim9_assign.vim
index abc3a15..21a39e1 100644
--- a/src/testdir/test_vim9_assign.vim
+++ b/src/testdir/test_vim9_assign.vim
@@ -340,10 +340,35 @@
var j: job = null_job
var c: channel = null_channel
endif
+
+ var d: dict<func> = {a: function('tr'), b: null_function}
END
v9.CheckDefAndScriptSuccess(lines)
enddef
+def Test_keep_type_after_assigning_null()
+ var lines =<< trim END
+ var b: blob
+ b = null_blob
+ b = 'text'
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1012: Type mismatch; expected blob but got string')
+
+ lines =<< trim END
+ var l: list<number>
+ l = null_list
+ l = ['text']
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1012: Type mismatch; expected list<number> but got list<string>')
+
+ lines =<< trim END
+ var d: dict<string>
+ d = null_dict
+ d = {a: 1, b: 2}
+ END
+ v9.CheckDefExecAndScriptFailure(lines, 'E1012: Type mismatch; expected dict<string> but got dict<number>')
+enddef
+
def Test_skipped_assignment()
var lines =<< trim END
for x in []
diff --git a/src/version.c b/src/version.c
index 9248ca4..9b72517 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 4533,
+/**/
4532,
/**/
4531,