mirror of https://github.com/tc39/test262.git
37 lines
816 B
JavaScript
37 lines
816 B
JavaScript
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 22.1.2.3
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description: >
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Calls the length setter if available
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info: >
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Array.of ( ...items )
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...
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9. Let setStatus be Set(A, "length", len, true).
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...
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---*/
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var hits = 0;
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var value;
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var _this_;
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function Pack() {
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Object.defineProperty(this, "length", {
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set: function(len) {
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hits++;
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value = len;
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_this_ = this;
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}
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});
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}
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var result = Array.of.call(Pack, 'wolves', 'cards', 'cigarettes', 'lies');
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assert.sameValue(hits, 1, 'instance length setter called once');
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assert.sameValue(
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value, 4,
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'setter is called with the number of Array.of arguments'
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);
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assert.sameValue(_this_, result, 'setter is called with the new object');
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