19 lines
628 B
JavaScript
19 lines
628 B
JavaScript
|
// Copyright 2015 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
var pattern = {};
|
||
|
|
pattern[Symbol.match] = function(string) {
|
||
|
|
return string.length;
|
||
|
|
};
|
||
|
|
// Check object coercible fails.
|
||
|
|
assertThrows(() => String.prototype.match.call(null, pattern),
|
||
|
|
TypeError);
|
||
|
|
// Override is called.
|
||
|
|
assertEquals(5, "abcde".match(pattern));
|
||
|
|
// Non-callable override.
|
||
|
|
pattern[Symbol.match] = "dumdidum";
|
||
|
|
assertThrows(() => "abcde".match(pattern), TypeError);
|
||
|
|
|
||
|
|
assertEquals("[Symbol.match]", RegExp.prototype[Symbol.match].name);
|