patch 9.1.0261: Vim9: protected class and funcrefs accessible outside the classv9.1.0261

Problem:  Vim9: protected class and funcrefs accessible outside the class
          (Aliaksei Budavei)
Solution: Check if class and object funcrefs are protected
          (Yegappan)

closes: #14407

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index 93481d55b8..6eafe00373 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -10530,4 +10530,27 @@ def Test_use_base_class_variable_from_base_class_method()
   v9.CheckScriptSuccess(lines)
 enddef
 
+" Test for accessing protected funcref object and class variables
+def Test_protected_funcref()
+  # protected funcref object variable
+  var lines =<< trim END
+    vim9script
+    class Test1
+      const _Id: func(any): any = (v) => v
+    endclass
+    var n = Test1.new()._Id(1)
+  END
+  v9.CheckScriptFailure(lines, 'E1333: Cannot access protected variable "_Id" in class "Test1"', 5)
+
+  # protected funcref class variable
+  lines =<< trim END
+    vim9script
+    class Test2
+      static const _Id: func(any): any = (v) => v
+    endclass
+    var n = Test2._Id(2)
+  END
+  v9.CheckScriptFailure(lines, 'E1333: Cannot access protected variable "_Id" in class "Test2"', 5)
+enddef
+
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker