mirror of https://github.com/tc39/test262.git
26 lines
820 B
JavaScript
26 lines
820 B
JavaScript
// Copyright 2015 Microsoft Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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description: mapFn is attached to the Array itself
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es6id: 22.1.2.1
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---*/
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var array = [ 2, 4, 8, 16, 32, 64, 128 ];
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var a = [];
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var i = 0;
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Array.prototype.mapFn = function(value, index) {
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assert.sameValue(value, array[i], "Value mismatch in mapFn at index " + index + ".");
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assert.sameValue(index, i, "Index mismatch in mapFn.");
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i++;
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return 127;
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};
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a = Array.from(array, a.mapFn , a);
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assert.sameValue(a.length, array.length, "Length mismatch. array : " + array.length + ". Mapped array : " + a.length + ".");
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for (var j = 0; j < a.length; j++) {
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assert.sameValue(a[j], 127, "Element mismatch for mapped array at index " + j + ".");
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}
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