63 lines
2.3 KiB
JavaScript
63 lines
2.3 KiB
JavaScript
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// Copyright 2010 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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// When this bug is corrected move to object-define-property and add
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// additional tests for configurable in the same manner as existing tests
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// there.
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var obj = {};
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obj[1] = 42;
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assertEquals(42, obj[1]);
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Object.defineProperty(obj, '1', {value:10, writable:false});
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assertEquals(10, obj[1]);
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// We should not be able to override obj[1].
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obj[1] = 5;
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assertEquals(10, obj[1]);
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// Try on a range of numbers.
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for(var i = 0; i < 1024; i++) {
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obj[i] = 42;
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}
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for(var i = 0; i < 1024; i++) {
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Object.defineProperty(obj, i, {value: i, writable:false});
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}
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for(var i = 0; i < 1024; i++) {
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assertEquals(i, obj[i]);
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}
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for(var i = 0; i < 1024; i++) {
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obj[1] = 5;
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}
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for(var i = 0; i < 1024; i++) {
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assertEquals(i, obj[i]);
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}
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