mirror of https://github.com/tc39/test262.git
43 lines
2.1 KiB
JavaScript
43 lines
2.1 KiB
JavaScript
/// Copyright (c) 2009 Microsoft Corporation
|
|
///
|
|
/// 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 Microsoft 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.
|
|
|
|
/**
|
|
* @path chapter15/15.2/15.2.3/15.2.3.14/15.2.3.14-5-a-2.js
|
|
* @description Object.keys - 'writable' attribute of element of returned array is correct
|
|
*/
|
|
|
|
|
|
function testcase() {
|
|
var obj = { prop1: 100 };
|
|
|
|
var array = Object.keys(obj);
|
|
|
|
try {
|
|
array[0] = "isWritable";
|
|
|
|
var desc = Object.getOwnPropertyDescriptor(array, "0");
|
|
|
|
return array[0] === "isWritable" && desc.hasOwnProperty("writable") && desc.writable === true;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
runTestCase(testcase);
|