mirror of https://github.com/tc39/test262.git
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
// Copyright (c) 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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/*---
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esid: sec-array.of
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es6id: 22.1.2.3
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description: >
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Array.of method creates a new Array with a variable number of arguments.
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info: |
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22.1.2.3 Array.of ( ...items )
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...
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7. Let k be 0.
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8. Repeat, while k < len
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a. Let kValue be items[k].
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b. Let Pk be ToString(k).
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c. Let defineStatus be CreateDataPropertyOrThrow(A,Pk, kValue).
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d. ReturnIfAbrupt(defineStatus).
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e. Increase k by 1.
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9. Let setStatus be Set(A, "length", len, true).
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10. ReturnIfAbrupt(setStatus).
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11. Return A.
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---*/
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var a1 = Array.of('Mike', 'Rick', 'Leo');
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assert.sameValue(
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a1.length, 3,
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'The new array length is the same as the arguments size'
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);
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assert.sameValue(a1[0], 'Mike', 'set each property in order - #1');
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assert.sameValue(a1[1], 'Rick', 'set each property in order - #2');
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assert.sameValue(a1[2], 'Leo', 'set each property in order - #3');
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var a2 = Array.of(undefined, false, null, undefined);
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assert.sameValue(
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a2.length, 4,
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'Creates an array from the arguments, regarless of their type values'
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);
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assert.sameValue(a2[0], undefined, 'set each property in order - #1');
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assert.sameValue(a2[1], false, 'set each property in order - #2');
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assert.sameValue(a2[2], null, 'set each property in order - #3');
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assert.sameValue(a2[3], undefined, 'set each property in order - #4');
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var a3 = Array.of();
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assert.sameValue(a3.length, 0, 'Array.of() returns an empty array');
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