patch 8.2.1291: Vim9: type of varargs items is not checked
Problem: Vim9: type of varargs items is not checked.
Solution: Check the list item types. (closes #6523)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index ef98583..49be8f9 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -164,7 +164,55 @@
assert_equal('one,foo', MyDefVarargs('one'))
assert_equal('one,two', MyDefVarargs('one', 'two'))
assert_equal('one,two,three', MyDefVarargs('one', 'two', 'three'))
- call CheckDefFailure(['MyDefVarargs("one", 22)'], 'E1013: argument 2: type mismatch, expected string but got number')
+ CheckDefFailure(['MyDefVarargs("one", 22)'],
+ 'E1013: argument 2: type mismatch, expected string but got number')
+ CheckDefFailure(['MyDefVarargs("one", "two", 123)'],
+ 'E1013: argument 3: type mismatch, expected string but got number')
+
+ let lines =<< trim END
+ vim9script
+ def Func(...l: list<string>)
+ echo l
+ enddef
+ Func('a', 'b', 'c')
+ END
+ CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ def Func(...l: list<string>)
+ echo l
+ enddef
+ Func()
+ END
+ CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ def Func(...l: list<string>)
+ echo l
+ enddef
+ Func(1, 2, 3)
+ END
+ CheckScriptFailure(lines, 'E1013:')
+
+ lines =<< trim END
+ vim9script
+ def Func(...l: list<string>)
+ echo l
+ enddef
+ Func('a', 9)
+ END
+ CheckScriptFailure(lines, 'E1013:')
+
+ lines =<< trim END
+ vim9script
+ def Func(...l: list<string>)
+ echo l
+ enddef
+ Func(1, 'a')
+ END
+ CheckScriptFailure(lines, 'E1013:')
enddef
let s:value = ''