21 lines
665 B
JavaScript
21 lines
665 B
JavaScript
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// Copyright 2015 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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// Flags: --harmony-regexp-subclass
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var pattern = {};
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pattern[Symbol.match] = function(string) {
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return string.length;
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};
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// Check object coercible fails.
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assertThrows(() => String.prototype.match.call(null, pattern),
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TypeError);
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// Override is called.
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assertEquals(5, "abcde".match(pattern));
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// Non-callable override.
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pattern[Symbol.match] = "dumdidum";
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assertThrows(() => "abcde".match(pattern), TypeError);
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assertEquals("[Symbol.match]", RegExp.prototype[Symbol.match].name);
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