d0fe04447e
This is not covered by test262 yet, but it really makes sense and matches Firefox's behaviour. TEST=mjsunit/define-properties.js Review URL: http://codereview.chromium.org/8349031 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9694 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
73 lines
2.8 KiB
JavaScript
73 lines
2.8 KiB
JavaScript
// 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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// Tests the Object.defineProperties method - ES 15.2.3.7
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// Note that the internal DefineOwnProperty method is tested through
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// object-define-property.js, this file only contains tests specific for
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// Object.defineProperties. Also note that object-create.js contains
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// a range of indirect tests on this method since Object.create uses
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// Object.defineProperties as a step in setting up the object.
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// Try defining with null as descriptor:
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try {
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Object.defineProperties({}, null);
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} catch(e) {
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assertTrue(/null to object/.test(e));
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}
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// Try defining with null as object
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try {
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Object.defineProperties(null, {});
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} catch(e) {
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assertTrue(/called on non-object/.test(e));
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}
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var desc = {foo: {value: 10}, bar: {get: function() {return 42; }}};
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var obj = {};
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// Check that we actually get the object back as returnvalue
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var x = Object.defineProperties(obj, desc);
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assertEquals(x.foo, 10);
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assertEquals(x.bar, 42);
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// Make sure that all property descriptors are calculated before any
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// modifications are done.
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var object = {};
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assertThrows(function() {
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Object.defineProperties(object, {
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foo: { value: 1 },
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bar: { value: 2, get: function() { return 3; } }
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});
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}, TypeError);
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assertEquals(undefined, object.foo);
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assertEquals(undefined, object.bar);
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