| // 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-isnan-number | |
| es6id: 18.2.3 | |
| description: > | |
| Return abrupt completion getting number.@@toPrimitive | |
| info: | | |
| isNaN (number) | |
| 1. Let num be ? ToNumber(number). | |
| ToPrimitive ( input [ , PreferredType ] ) | |
| [...] | |
| 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). | |
| features: [Symbol.toPrimitive] | |
| ---*/ | |
| var obj = Object.defineProperty({}, Symbol.toPrimitive, { | |
| get: function() { | |
| throw new Test262Error(); | |
| } | |
| }); | |
| assert.throws(Test262Error, function() { | |
| isNaN(obj); | |
| }); |