patch 9.1.0520: Vim9: incorrect type checking for modifying lists
Problem: Vim9: incorrect type checking for modifying lists
Solution: Correctly assign the member declared types and generate
typechecks, add disassembly test (LemonBoy)
fixes: #15090
closes: #15094
Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index a043f8c..f0c27de 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -10776,4 +10776,37 @@
v9.CheckScriptFailure(lines, 'E689: Index not allowed after a object: a[10] = 1', 5)
enddef
+def Test_class_member_init_typecheck()
+ # Ensure the class member is assigned its declared type.
+ var lines =<< trim END
+ vim9script
+ class S
+ static var l: list<string> = []
+ endclass
+ S.l->add(123)
+ END
+ v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got number', 5)
+
+ # Ensure the initializer value and the declared type match.
+ lines =<< trim END
+ vim9script
+ class S
+ var l: list<string> = [1, 2, 3]
+ endclass
+ var o = S.new()
+ END
+ v9.CheckScriptFailure(lines, 'E1382: Variable "l": type mismatch, expected list<string> but got list<number>')
+
+ # Ensure the class member is assigned its declared type.
+ lines =<< trim END
+ vim9script
+ class S
+ var l: list<string> = []
+ endclass
+ var o = S.new()
+ o.l->add(123)
+ END
+ v9.CheckScriptFailure(lines, 'E1012: Type mismatch; expected string but got number', 6)
+enddef
+
" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker