76 lines
3.1 KiB
JavaScript
76 lines
3.1 KiB
JavaScript
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// Copyright 2009 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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// This regression includes a number of cases where we did not correctly
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// update a accessor property to a data property using Object.defineProperty.
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var obj = { get value() {}, set value (v) { throw "Error";} };
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assertDoesNotThrow(
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Object.defineProperty(obj, "value",
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{ value: 5, writable:true, configurable: true }));
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var desc = Object.getOwnPropertyDescriptor(obj, "value");
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assertEquals(obj.value, 5);
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assertTrue(desc.configurable);
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assertTrue(desc.enumerable);
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assertTrue(desc.writable);
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assertEquals(desc.get, undefined);
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assertEquals(desc.set, undefined);
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var proto = {
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get value() {},
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set value(v) { Object.defineProperty(this, "value", {value: v}); }
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};
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var create = Object.create(proto);
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assertEquals(create.value, undefined);
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assertDoesNotThrow(create.value = 4);
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assertEquals(create.value, 4);
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// These tests where provided in bug 959, but are all related to the this issue.
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var obj1 = {};
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Object.defineProperty(obj1, 'p', {get: undefined, set: undefined});
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assertTrue("p" in obj1);
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desc = Object.getOwnPropertyDescriptor(obj1, "p");
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assertFalse(desc.configurable);
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assertFalse(desc.enumerable);
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assertEquals(desc.value, undefined);
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assertEquals(desc.get, undefined);
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assertEquals(desc.set, undefined);
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var obj2 = { get p() {}};
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Object.defineProperty(obj2, 'p', {get: undefined})
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assertTrue("p" in obj2);
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desc = Object.getOwnPropertyDescriptor(obj2, "p");
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assertTrue(desc.configurable);
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assertTrue(desc.enumerable);
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assertEquals(desc.value, undefined);
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assertEquals(desc.get, undefined);
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assertEquals(desc.set, undefined);
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