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[apple/javascriptcore.git] / tests / stress / array-map-put-by-val-direct.js
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A
1function shouldBe(actual, expected) {
2 if (actual !== expected)
3 throw new Error('bad value: ' + actual);
4}
5
6for (var i = 0; i < 10; ++i) {
7 Object.defineProperty(Array.prototype, i, {
8 get() {
9 throw new Error('get is called.');
10 },
11 set(value) {
12 throw new Error('set is called.');
13 }
14 });
15}
16
17var original = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
18
19// Doesn't throw any errors.
20var mapped = original.map(function (value) {
21 return value * 2;
22});
23
24shouldBe(mapped.length, 10);
25for (var i = 0; i < 10; ++i) {
26 shouldBe(mapped[i], i * 2);
27}