0630b1fd9f
Land original change by pfeldman: http://codereview.chromium.org/596117 Review URL: http://codereview.chromium.org/596124 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3866 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
107 lines
3.7 KiB
JavaScript
107 lines
3.7 KiB
JavaScript
// 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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// Test ES5 section 15.2.3.4 Object.getOwnPropertyNames.
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// Check simple cases.
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var obj = { a: 1, b: 2};
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var propertyNames = Object.getOwnPropertyNames(obj);
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propertyNames.sort();
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assertEquals(2, propertyNames.length);
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assertEquals("a", propertyNames[0]);
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assertEquals("b", propertyNames[1]);
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var obj = { a: function(){}, b: function(){} };
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var propertyNames = Object.getOwnPropertyNames(obj);
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propertyNames.sort();
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assertEquals(2, propertyNames.length);
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assertEquals("a", propertyNames[0]);
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assertEquals("b", propertyNames[1]);
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// Check slow case
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var obj = { a: 1, b: 2, c: 3 };
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delete obj.b;
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var propertyNames = Object.getOwnPropertyNames(obj)
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propertyNames.sort();
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assertEquals(2, propertyNames.length);
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assertEquals("a", propertyNames[0]);
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assertEquals("c", propertyNames[1]);
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// Check that non-enumerable properties are being returned.
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var propertyNames = Object.getOwnPropertyNames([1, 2]);
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propertyNames.sort();
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assertEquals(3, propertyNames.length);
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assertEquals("0", propertyNames[0]);
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assertEquals("1", propertyNames[1]);
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assertEquals("string", typeof propertyNames[0]);
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assertEquals("string", typeof propertyNames[1]);
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assertEquals("length", propertyNames[2]);
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// Check that no proto properties are returned.
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var obj = { foo: "foo" };
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obj.__proto__ = { bar: "bar" };
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propertyNames = Object.getOwnPropertyNames(obj);
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propertyNames.sort();
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assertEquals(1, propertyNames.length);
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assertEquals("foo", propertyNames[0]);
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// Check that getter properties are returned.
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var obj = {};
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obj.__defineGetter__("getter", function() {});
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propertyNames = Object.getOwnPropertyNames(obj);
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propertyNames.sort();
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assertEquals(1, propertyNames.length);
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assertEquals("getter", propertyNames[0]);
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try {
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Object.getOwnPropertyNames(4);
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assertTrue(false);
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} catch (e) {
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assertTrue(/on non-object/.test(e));
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}
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try {
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Object.getOwnPropertyNames("foo");
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assertTrue(false);
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} catch (e) {
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assertTrue(/on non-object/.test(e));
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}
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try {
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Object.getOwnPropertyNames(undefined);
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assertTrue(false);
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} catch (e) {
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assertTrue(/on non-object/.test(e));
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}
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try {
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Object.getOwnPropertyNames(null);
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assertTrue(false);
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} catch (e) {
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assertTrue(/on non-object/.test(e));
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}
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