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452c0e5c61
* Automated assertion message update: Array.from * Automated assertion message update: Array.isArray * Automated assertion message update: Array length property * Automated assertion message update: Array.of * Automated assertion message update: Array * Automated assertion message update: Array.prototype.at * Automated assertion message update: Array.prototype.concat * Automated assertion message update: compareArray -> assert.compareArray
24 lines
933 B
JavaScript
24 lines
933 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: Passing a valid array
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esid: sec-array.from
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---*/
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var array = [0, 'foo', , Infinity];
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var result = Array.from(array);
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assert.sameValue(result.length, 4, 'The value of result.length is expected to be 4');
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assert.sameValue(result[0], 0, 'The value of result[0] is expected to be 0');
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assert.sameValue(result[1], 'foo', 'The value of result[1] is expected to be "foo"');
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assert.sameValue(result[2], undefined, 'The value of result[2] is expected to equal undefined');
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assert.sameValue(result[3], Infinity, 'The value of result[3] is expected to equal Infinity');
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assert.notSameValue(
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result, array,
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'The value of result is expected to not equal the value of `array`'
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);
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assert(result instanceof Array, 'The result of evaluating (result instanceof Array) is expected to be true');
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