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Unified Diff: test/mjsunit/harmony/regress/regress-3930.js

Issue 962263002: Disallow subclassing Arrays. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fixes for debug-code issues Created 5 years, 10 months ago
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Index: test/mjsunit/harmony/regress/regress-3930.js
diff --git a/test/mjsunit/harmony/regress/regress-3930.js b/test/mjsunit/harmony/regress/regress-3930.js
new file mode 100644
index 0000000000000000000000000000000000000000..2436a2d0c38f89da1430bd25d55a6a04a8332bf5
--- /dev/null
+++ b/test/mjsunit/harmony/regress/regress-3930.js
@@ -0,0 +1,28 @@
+// Copyright 2015 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.
+//
+// Flags: --harmony-classes
+'use strict';
+
+class Stack extends Array { }
+
+assertThrows(function() { new Stack(); }, TypeError);
+
+class Stack1 extends Array {
+ constructor() { super(); }
+}
+
+assertThrows(function() { new Stack1(); }, TypeError);
+
+class Stack2 extends Array {
+ constructor() { super(1, 25); }
+}
+
+assertThrows(function() { new Stack2(); }, TypeError);
+
+let X = Array;
+
+class Stack4 extends X { }
+
+assertThrows(function() { new Stack2(); }, TypeError);
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