d58e780504
* @indutny's SealHandleScope patch (484bebc38319fc7c622478037922ad73b2edcbf9) has been cherry picked onto the top of V8 to make it compile. * There's some test breakage in contextify. * This was merged at the request of the TC. PR-URL: https://github.com/iojs/io.js/pull/1632
63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
// Copyright 2014 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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// Flags: --allow-natives-syntax
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Object.prototype["10"] = "unreachable";
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Object.prototype["7"] = "unreachable";
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Object.prototype["-1"] = "unreachable";
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Object.prototype["-0"] = "unreachable";
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Object.prototype["4294967296"] = "unreachable";
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var array = new Int32Array(10);
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function check() {
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for (var i = 0; i < 4; i++) {
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assertEquals(undefined, array["-1"]);
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assertEquals(undefined, array["-0"]);
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assertEquals(undefined, array["10"]);
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assertEquals(undefined, array["4294967296"]);
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}
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assertEquals("unreachable", array.__proto__["-1"]);
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assertEquals("unreachable", array.__proto__["-0"]);
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assertEquals("unreachable", array.__proto__["10"]);
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assertEquals("unreachable", array.__proto__["4294967296"]);
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}
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check();
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array["-1"] = "unreachable";
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array["-0"] = "unreachable";
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array["10"] = "unreachable";
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array["4294967296"] = "unreachable";
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check();
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delete array["-0"];
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delete array["-1"];
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delete array["10"];
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delete array["4294967296"];
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assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "-1"));
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assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "-0"));
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assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "10"));
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assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "4294967296"));
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assertEquals(10, Object.keys(array).length);
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check();
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function f() { return array["-1"]; }
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for (var i = 0; i < 3; i++) {
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assertEquals(undefined, f());
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}
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%OptimizeFunctionOnNextCall(f);
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assertEquals(undefined, f());
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Object.defineProperty(new Int32Array(), "-1", {'value': 1});
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Object.defineProperty(new Int32Array(), "-0", {'value': 1});
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Object.defineProperty(new Int32Array(), "-10", {'value': 1});
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Object.defineProperty(new Int32Array(), "4294967296", {'value': 1});
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check();
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