| // 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.charat | |
| es6id: 21.1.3.1 | |
| description: Error when attempting to coerce providec "pos" to a Number | |
| info: | | |
| [...] | |
| 3. Let position be ? ToInteger(pos). | |
| [...] | |
| 7.1.4 ToInteger | |
| 1. Let number be ? ToNumber(argument). | |
| ---*/ | |
| var noCoerce = Object.create(null); | |
| assert.throws(TypeError, function() { | |
| ''.charAt(noCoerce); | |
| }); |