19 lines
451 B
JavaScript
19 lines
451 B
JavaScript
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// Copyright 2019 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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let cnt = 0;
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const re = /x/y;
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const replacement = {
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toString: () => {
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cnt++;
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if (cnt == 2) {
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re.lastIndex = { valueOf: () => { re.x = -1073741825; return 7; }};
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}
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return 'y$';
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}
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};
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const str = re[Symbol.replace]("x", replacement);
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assertEquals(str, "y$");
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