mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.8 KiB
68 lines
2.8 KiB
// Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
//
|
|
// 2. 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.
|
|
//
|
|
// 3. Neither the name of the copyright holder(s) nor the names of any
|
|
// 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.
|
|
|
|
// Based on LayoutTests/fast/js/Object-keys.html
|
|
|
|
assertThrows(function () { Object.keys(2) }, TypeError);
|
|
assertThrows(function () { Object.keys("foo") }, TypeError);
|
|
assertThrows(function () { Object.keys(null) }, TypeError);
|
|
assertThrows(function () { Object.keys(undefined) }, TypeError);
|
|
|
|
assertEquals(Object.keys({}), []);
|
|
assertEquals(Object.keys({a:null}), ['a']);
|
|
assertEquals(Object.keys({a:null, b:null}), ['a', 'b']);
|
|
assertEquals(Object.keys({b:null, a:null}), ['b', 'a']);
|
|
assertEquals(Object.keys([]), []);
|
|
assertEquals(Object.keys([null]), ['0']);
|
|
assertEquals(Object.keys([null,null]), ['0', '1']);
|
|
assertEquals(Object.keys([null,null,,,,null]), ['0', '1', '5']);
|
|
assertEquals(Object.keys({__proto__:{a:null}}), []);
|
|
assertEquals(Object.keys({__proto__:[1,2,3]}), []);
|
|
var x = [];
|
|
x.__proto__ = [1, 2, 3];
|
|
assertEquals(Object.keys(x), []);
|
|
assertEquals(Object.keys(function () {}), []);
|
|
|
|
assertEquals('string', typeof(Object.keys([1])[0]));
|
|
|
|
function argsTest(a, b, c) {
|
|
assertEquals([0, 1, 2], Object.keys(arguments));
|
|
}
|
|
|
|
argsTest(1, 2, 3);
|
|
|
|
var literal = {a: 1, b: 2, c: 3};
|
|
var keysBefore = Object.keys(literal);
|
|
assertEquals(['a', 'b', 'c'], keysBefore);
|
|
keysBefore[0] = 'x';
|
|
var keysAfter = Object.keys(literal);
|
|
assertEquals(['a', 'b', 'c'], keysAfter);
|
|
assertEquals(['x', 'b', 'c'], keysBefore);
|
|
|