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30 lines
714 B
JavaScript
30 lines
714 B
JavaScript
// 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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description: String traversal using for..of (astral symbols)
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info: |
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String literals should be able to be traversed using a `for...of` loop. The
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loop body should execute once for each astral symbol.
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es6id: 13.6.4
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---*/
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var string = 'a\ud801\udc28b\ud801\udc28';
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var first = 'a';
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var second = '𐐨';
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var third = 'b';
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var fourth = '𐐨';
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var iterationCount = 0;
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for (var value of string) {
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assert.sameValue(value, first);
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first = second;
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second = third;
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third = fourth;
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fourth = null;
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iterationCount += 1;
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}
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assert.sameValue(iterationCount, 4);
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