Upload Kmake

deps/v8/test/mjsunit/harmony/index-fields-nonextensible-global-proxy.js

@@ -0,0 +1,25 @@
+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+class Base {
+  constructor(arg) {
+    return arg;
+  }
+}
+
+class ClassNonExtensibleWithIndexField extends Base {
+  [0] = (() => {
+    Object.preventExtensions(this);
+    return 'defined';
+  })();
+  ['nonExtensible'] = 4;
+  constructor(arg) {
+    super(arg);
+  }
+}
+
+assertThrows(() => {
+  new ClassNonExtensibleWithIndexField(globalThis);
+}, TypeError, /Cannot define property 0, object is not extensible/);
+assertEquals("undefined", typeof nonExtensible);