| // Copyright (C) 2016 Jordan Harband. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-string.prototype.padstart |
| description: > |
| String#padStart should fail if given a null or undefined value, |
| or an object not coercible to a string. |
| author: Jordan Harband |
| ---*/ |
| |
| assert.throws(TypeError, function() { |
| String.prototype.padStart.call(null); |
| }); |
| |
| assert.throws(TypeError, function() { |
| String.prototype.padStart.call(undefined); |
| }); |
| |
| var notCoercible = { |
| toString: function() { |
| throw new Test262Error('attempted toString'); |
| } |
| }; |
| |
| assert.throws(Test262Error, function() { |
| String.prototype.padStart.call(notCoercible); |
| }); |