| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-string.prototype.tolocalelowercase |
| es6id: 21.1.3.20 |
| description: The "this" value must be object-coercible |
| info: | |
| This function works exactly the same as toLowerCase except that its result is |
| intended to yield the correct result for the host environment's current |
| locale, rather than a locale-independent result. |
| |
| 21.1.3.24 String.prototype.toLowerCase |
| |
| 1. Let O be ? RequireObjectCoercible(this value). |
| ---*/ |
| |
| var toLocaleLowerCase = String.prototype.toLocaleLowerCase; |
| |
| assert.sameValue(typeof toLocaleLowerCase, 'function'); |
| |
| assert.throws(TypeError, function() { |
| toLocaleLowerCase.call(undefined); |
| }, 'undefined'); |
| |
| assert.throws(TypeError, function() { |
| toLocaleLowerCase.call(null); |
| }, 'null'); |
