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diff src/testdir/test_vim9_class.vim @ 31843:ffa11e2757e7 v9.0.1254

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patch 9.0.1254: calling a method on an interface does not work Commit: https://github.com/vim/vim/commit/d0200c8631582bbb16a9b585e2ca7adccc84ccdd Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 28 15:19:40 2023 +0000 patch 9.0.1254: calling a method on an interface does not work Problem: Calling a method on an interface does not work. Solution: At runtime figure out what method to call. (closes https://github.com/vim/vim/issues/11901)
author Bram Moolenaar <Bram@vim.org>
date Sat, 28 Jan 2023 16:30:04 +0100
parents 5ce5d78afcc9
children dbec60b8c253
line wrap: on
line diff
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -1001,6 +1001,56 @@ def Test_class_implements_interface()
   v9.CheckScriptSuccess(lines)
 enddef
 
+def Test_call_interface_method()
+  var lines =<< trim END
+    vim9script
+    interface Base
+      def Enter(): void
+    endinterface
+
+    class Child implements Base
+      def Enter(): void
+        g:result ..= 'child'
+      enddef
+    endclass
+
+    def F(obj: Base)
+      obj.Enter()
+    enddef
+
+    g:result = ''
+    F(Child.new())
+    assert_equal('child', g:result)
+    unlet g:result
+  END
+  v9.CheckScriptSuccess(lines)
+
+  lines =<< trim END
+    vim9script
+    class Base
+      def Enter(): void
+        g:result ..= 'base'
+      enddef
+    endclass
+
+    class Child extends Base
+      def Enter(): void
+        g:result ..= 'child'
+      enddef
+    endclass
+
+    def F(obj: Base)
+      obj.Enter()
+    enddef
+
+    g:result = ''
+    F(Child.new())
+    assert_equal('child', g:result)
+    unlet g:result
+  END
+  v9.CheckScriptSuccess(lines)
+enddef
+
 def Test_class_used_as_type()
   var lines =<< trim END
       vim9script