aboutsummaryrefslogtreecommitdiffstats
path: root/test/suite/ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-6.js
blob: d5b2a3b4701ac8fc19bc2e16848ef3aa057322fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/// 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 ch15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-6.js
 * @description Array.prototype.lastIndexOf - element to be retrieved is own data property that overrides an inherited accessor property on an Array-like object
 */


function testcase() {

        try {
            Object.defineProperty(Object.prototype, "0", {
                get: function () {
                    return false;
                },
                configurable: true
            });
            return 0 === Array.prototype.lastIndexOf.call({ 0: true, 1: 1, length: 2 }, true);
        } finally {
            delete Object.prototype[0];
        }
    }
runTestCase(testcase);