aboutsummaryrefslogtreecommitdiffstats
path: root/external/contributions/Microsoft/ietestcenter_ppb10/chapter15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-161.js
blob: d622d1464b0d267822fc9e49732289aa8cc894cd (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
/// 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: "15.2.3.7-6-a-161",

    path: "TestCases/chapter15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-161.js",

    description: "Object.defineProperties - 'O' is an Array, 'P' is the length property of 'O', the [[Value]] field of 'desc' is less than value of  the length property,  test the [[Writable]] attribute of the length property is set to true at last after deleting properties with large index named if the [[Writable]] field of 'desc' is absent (15.4.5.1 step 3.h)",

    test: function testcase() {

        var arr = [0, 1];

        Object.defineProperties(arr, {
            length: {
                value: 1
            }
        });

        arr.length = 10; //try to overwrite length value of arr
        return !arr.hasOwnProperty("1") && arr.length === 10 && arr[0] === 0;
    },

    precondition: function prereq() {
        return fnExists(Object.defineProperties);
    }

});