aboutsummaryrefslogtreecommitdiffstats
path: root/external/contributions/Microsoft/ietestcenter_ppb10/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-7.js
blob: 6d203deefc5638f02a9343a93e6af572aeacd14c (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
42
43
44
45
46
47
48
49
50
/// 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. 


ES5Harness.registerTest( {

    id: "15.4.4.15-8-b-i-7",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-b-i-7.js",

    description: "Array.prototype.lastIndexOf - element to be retrieved is inherited data property on an Array",

    test: function testcase() {

        try {
            Array.prototype[0] = true;
            Array.prototype[1] = false;
            Array.prototype[2] = "true";
            return 0 === [, , , ].lastIndexOf(true) &&
                1 === [, , , ].lastIndexOf(false) &&
                2 === [, , , ].lastIndexOf("true");
        } finally {
            delete Array.prototype[0];
            delete Array.prototype[1];
            delete Array.prototype[2];
        }
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.lastIndexOf) && ![, 1].hasOwnProperty(0);
    }

});