v8/test/mjsunit/object-get-own-property-names.js
mikhail.naganov@gmail.com a3c0f20035 Submit Object.getOwnPropertyNames patch by Pavel Feldman. See http://codereview.chromium.org/549050.
Add copyright to regression test to fix build broken by r3619.

TBR=sgjesse@chromium.org

Review URL: http://codereview.chromium.org/542092

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3620 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2010-01-15 15:34:32 +00:00

105 lines
3.6 KiB
JavaScript

// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Test ES5 section 15.2.3.4 Object.getOwnPropertyNames.
// Check simple cases.
var obj = { a: 1, b: 2};
var propertyNames = Object.getOwnPropertyNames(obj);
propertyNames.sort();
assertEquals(2, propertyNames.length);
assertEquals("a", propertyNames[0]);
assertEquals("b", propertyNames[1]);
var obj = { a: function(){}, b: function(){} };
var propertyNames = Object.getOwnPropertyNames(obj);
propertyNames.sort();
assertEquals(2, propertyNames.length);
assertEquals("a", propertyNames[0]);
assertEquals("b", propertyNames[1]);
// Check slow case
var obj = { a: 1, b: 2, c: 3 };
delete obj.b;
var propertyNames = Object.getOwnPropertyNames(obj)
propertyNames.sort();
assertEquals(2, propertyNames.length);
assertEquals("a", propertyNames[0]);
assertEquals("c", propertyNames[1]);
// Check that non-enumerable properties are being returned.
var propertyNames = Object.getOwnPropertyNames([1, 2]);
propertyNames.sort();
assertEquals(3, propertyNames.length);
assertEquals("0", propertyNames[0]);
assertEquals("1", propertyNames[1]);
assertEquals("length", propertyNames[2]);
// Check that no proto properties are returned.
var obj = { foo: "foo" };
obj.__proto__ = { bar: "bar" };
propertyNames = Object.getOwnPropertyNames(obj);
propertyNames.sort();
assertEquals(1, propertyNames.length);
assertEquals("foo", propertyNames[0]);
// Check that getter properties are returned.
var obj = {};
obj.__defineGetter__("getter", function() {});
propertyNames = Object.getOwnPropertyNames(obj);
propertyNames.sort();
assertEquals(1, propertyNames.length);
assertEquals("getter", propertyNames[0]);
try {
Object.getOwnPropertyNames(4);
assertTrue(false);
} catch (e) {
assertTrue(/on non-object/.test(e));
}
try {
Object.getOwnPropertyNames("foo");
assertTrue(false);
} catch (e) {
assertTrue(/on non-object/.test(e));
}
try {
Object.getOwnPropertyNames(undefined);
assertTrue(false);
} catch (e) {
assertTrue(/on non-object/.test(e));
}
try {
Object.getOwnPropertyNames(null);
assertTrue(false);
} catch (e) {
assertTrue(/on non-object/.test(e));
}