mirror of https://github.com/tc39/test262.git
33 lines
596 B
JavaScript
33 lines
596 B
JavaScript
// Copyright (C) 2016 The V8 Project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-isnan-number
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description: >
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Return abrupt completion from ToNumber(number)
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info: |
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isNaN (number)
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1. Let num be ? ToNumber(number).
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---*/
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var obj1 = {
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valueOf: function() {
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throw new Test262Error();
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}
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};
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var obj2 = {
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toString: function() {
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throw new Test262Error();
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}
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};
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assert.throws(Test262Error, function() {
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isNaN(obj1);
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}, "valueOf");
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assert.throws(Test262Error, function() {
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isNaN(obj2);
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}, "toString");
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