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// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 18.2.3
esid: sec-isnan-number
description: >
Return abrupt completion calling number.@@toPrimitive
info: |
isNaN (number)
1. Let num be ? ToNumber(number).
ToPrimitive ( input [ , PreferredType ] )
[...]
4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
5. If exoticToPrim is not undefined, then
a. Let result be ? Call(exoticToPrim, input, « hint »).
features: [Symbol.toPrimitive]
---*/
var obj = {};
obj[Symbol.toPrimitive] = function() {
throw new Test262Error();
};
assert.throws(Test262Error, function() {
isNaN(obj);
});
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