mirror of https://github.com/tc39/test262.git
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
// Copyright (C) 2014 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: 12.2.5
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description: >
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to name, accessor side effects 3
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includes: [compareArray.js]
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---*/
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var counter = 0;
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var key1ToString = [];
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var key2ToString = [];
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var key1 = {
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toString: function() {
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key1ToString.push(counter);
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counter += 1;
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return 'b';
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}
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};
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var key2 = {
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toString: function() {
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key2ToString.push(counter);
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counter += 1;
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return 'd';
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}
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};
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class C {
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a() { return 'A'; }
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[key1]() { return 'B'; }
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c() { return 'C'; }
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[key2]() { return 'D'; }
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}
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assert.compareArray(key1ToString, [0], 'The value of key1ToString is expected to be [0]');
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assert.compareArray(key2ToString, [1], 'The value of key2ToString is expected to be [1]');
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assert.sameValue(counter, 2, 'The value of counter is expected to be 2');
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assert.sameValue(new C().a(), 'A', 'new C().a() must return "A"');
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assert.sameValue(new C().b(), 'B', 'new C().b() must return "B"');
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assert.sameValue(new C().c(), 'C', 'new C().c() must return "C"');
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assert.sameValue(new C().d(), 'D', 'new C().d() must return "D"');
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assert.sameValue(Object.keys(C.prototype).length, 0, 'The value of Object.keys(C.prototype).length is expected to be 0');
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assert.compareArray(
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Object.getOwnPropertyNames(C.prototype), ['constructor', 'a', 'b', 'c', 'd'],
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'Object.getOwnPropertyNames(C.prototype) must return ["constructor", "a", "b", "c", "d"]'
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);
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