249bf75e0c
Both of them shipped in Chrome 49 without incident. Also move relevant tests from harmony/ to es6/. Review URL: https://codereview.chromium.org/1815773002 Cr-Commit-Position: refs/heads/master@{#34964}
86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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(function () {
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// No trap.
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var target = {};
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var handler = {};
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var proxy = new Proxy(target, handler);
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assertTrue(Reflect.isExtensible(target));
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assertTrue(Reflect.isExtensible(proxy));
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assertTrue(Reflect.preventExtensions(proxy));
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assertFalse(Reflect.isExtensible(target));
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assertFalse(Reflect.isExtensible(proxy));
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})();
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(function () {
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// "Undefined" trap.
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var target = {};
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var handler = { preventExtensions: null };
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var proxy = new Proxy(target, handler);
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assertTrue(Reflect.isExtensible(target));
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assertTrue(Reflect.isExtensible(proxy));
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assertTrue(Reflect.preventExtensions(proxy));
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assertFalse(Reflect.isExtensible(target));
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assertFalse(Reflect.isExtensible(proxy));
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})();
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(function () {
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// Invalid trap.
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var target = {};
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var handler = { preventExtensions: 42 };
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var proxy = new Proxy(target, handler);
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assertThrows(() => {Reflect.preventExtensions(proxy)}, TypeError);
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})();
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(function () {
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var target = {};
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var handler = { isExtensible() {return "bla"} };
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var proxy = new Proxy(target, handler);
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// Trap returns trueish and target is extensible.
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assertTrue(Reflect.isExtensible(proxy));
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// Trap returns trueish but target is not extensible.
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Reflect.preventExtensions(target);
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assertThrows(() => {Reflect.isExtensible(proxy)}, TypeError);
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})();
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(function () {
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// Trap returns falsish.
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var target = {};
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var handler = { preventExtensions() {return 0} };
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var proxy = new Proxy(target, handler);
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assertFalse(Reflect.preventExtensions(proxy));
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Reflect.preventExtensions(target);
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assertFalse(Reflect.preventExtensions(proxy));
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})();
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(function () {
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var target = {};
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var handler = { preventExtensions() {return Symbol()} };
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var proxy = new Proxy(target, handler);
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// Trap returns trueish but target is extensible.
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assertThrows(() => {Reflect.preventExtensions(proxy)}, TypeError);
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// Trap returns trueish and target is not extensible.
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Reflect.preventExtensions(target);
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assertTrue(Reflect.preventExtensions(proxy));
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})();
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