mirror of https://github.com/tc39/test262.git
48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
// Copyright (C) 2016 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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esid: sec-proxy-object-internal-methods-and-internal-slots
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description: >
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Enumerate trap was removed and it should not be triggered anymore.
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includes: [compareArray.js]
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features: [Proxy, Symbol, Symbol.iterator]
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---*/
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var x;
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var target = [1, 2, 3];
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var p = new Proxy(target, {
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enumerate: function() {
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throw new Test262Error(
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"An enumerate property on handler object shouldn't trigger a Proxy trap"
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);
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}
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});
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var forInResults = [];
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for (x in p) {
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forInResults.push(x);
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}
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assert(compareArray(forInResults, ["0", "1", "2"]));
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var forOfResults = [];
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for (x of p) {
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forOfResults.push(x);
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}
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assert(compareArray(forOfResults, [1, 2, 3]));
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var itor = p[Symbol.iterator]();
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var next = itor.next();
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assert.sameValue(next.value, 1);
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assert.sameValue(next.done, false);
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next = itor.next();
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assert.sameValue(next.value, 2);
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assert.sameValue(next.done, false);
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next = itor.next();
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assert.sameValue(next.value, 3);
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assert.sameValue(next.done, false);
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next = itor.next();
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assert.sameValue(next.value, undefined);
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assert.sameValue(next.done, true);
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