| // 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.substr |
| es6id: B.2.3.1 |
| description: Behavior when string conversion triggers an abrupt completion |
| info: | |
| 1. Let O be ? RequireObjectCoercible(this value). |
| 2. Let S be ? ToString(O). |
| ---*/ |
| |
| var substr = String.prototype.substr; |
| var thisValue = { |
| toString: function() { |
| throw new Test262Error(); |
| } |
| }; |
| |
| assert.throws(Test262Error, function() { |
| substr.call(thisValue); |
| }); |