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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/// 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: "15.4.4.21-9-b-19",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.21/15.4.4.21-9-b-19.js",
description: "Array.prototype.reduce - properties added to prototype are visited on an Array-like object",
test: function testcase() {
var testResult = false;
function callbackfn(accum, val, idx, obj) {
if (idx === 1 && val === 6.99) {
testResult = true;
}
}
var obj = { length: 6 };
Object.defineProperty(obj, "0", {
get: function () {
Object.defineProperty(Object.prototype, "1", {
get: function () {
return 6.99;
},
configurable: true
});
return 0;
},
configurable: true
});
try {
Array.prototype.reduce.call(obj, callbackfn, "initialValue");
return testResult;
} finally {
delete Object.prototype[1];
}
},
precondition: function prereq() {
return fnExists(Array.prototype.reduce) && fnExists(Object.defineProperty) && fnSupportsArrayIndexGettersOnObjects();
}
});
|