Mercurial > vim

diff src/testdir/test_vim9_class.vim @ 33996:6d33f47b71b8 v9.0.2182

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 9.0.2182: Vim9: need a way to reserve future extension Commit: https://github.com/vim/vim/commit/ff6f0d5c38e81f742e1161c1504fc6b8e45d9a1e Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Thu Dec 21 16:46:18 2023 +0100 patch 9.0.2182: Vim9: need a way to reserve future extension Problem: Vim9: need a way to reserve future extension Solution: reserve double underscore prefix for future use (Yegappan Lakshmanan) related: #13238 closes: #13742 Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 21 Dec 2023 17:00:04 +0100
parents 45a50fd59a73
children ab6a70fad5b5
line wrap: on
line diff
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -9659,4 +9659,31 @@ def Test_const_class_object_variable()
   v9.CheckSourceFailure(lines, 'E1022: Type or initialization required', 3)
 enddef
 
+" Test for using double underscore prefix in a class/object method name.
+def Test_method_double_underscore_prefix()
+  # class method
+  var lines =<< trim END
+    vim9script
+    class A
+      static def __foo()
+        echo "foo"
+      enddef
+    endclass
+    defcompile
+  END
+  v9.CheckSourceFailure(lines, 'E1034: Cannot use reserved name __foo()', 3)
+
+  # object method
+  lines =<< trim END
+    vim9script
+    class A
+      def __foo()
+        echo "foo"
+      enddef
+    endclass
+    defcompile
+  END
+  v9.CheckSourceFailure(lines, 'E1034: Cannot use reserved name __foo()', 3)
+enddef
+
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker