b694266bb1
BUG=v8:4460 LOG=n Review URL: https://codereview.chromium.org/1419823008 Cr-Commit-Position: refs/heads/master@{#31556}
51 lines
2.2 KiB
JavaScript
51 lines
2.2 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Tests that objects with external arrays cannot be sealed or have their
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// properties redefined.
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Object.preventExtensions(new Int8Array(42));
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Object.seal(new Int8Array(42));
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// No elements, so should succeed.
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Object.freeze(new Int8Array(0));
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var o = new Int8Array(42);
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assertThrows(function() {
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Object.freeze(o);
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assertUnreable();
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}, TypeError);
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// Freeze should still have managed to preventExtensions o.
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assertFalse(Object.isExtensible(o));
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assertThrows(function() {
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Object.defineProperty(new Int8Array(42), "1",
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{ writable: false, value: "1" });
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assertUnreable();
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});
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