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4c4af643e5
PR-URL: https://github.com/nodejs/node/pull/17489 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
22 lines
836 B
JavaScript
22 lines
836 B
JavaScript
// 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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const pattern = {};
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pattern[Symbol.search] = 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.search.call(null, pattern),
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TypeError);
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// Override is called.
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assertEquals(5, "abcde".search(pattern));
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// Receiver is not converted to string if pattern has Symbol.match
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const receiver = { toString(){ throw new Error(); }, length: 6 };
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assertEquals(6, String.prototype.search.call(receiver, pattern));
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// Non-callable override.
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pattern[Symbol.search] = "dumdidum";
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assertThrows(() => "abcde".search(pattern), TypeError);
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assertEquals("[Symbol.search]", RegExp.prototype[Symbol.search].name);
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