mirror of https://github.com/tc39/test262.git
24 lines
555 B
JavaScript
24 lines
555 B
JavaScript
// Copyright 2009 the Sputnik 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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info: The initial value of NaN is NaN
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es5id: 15.1.1.1_A1
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description: Use typeof, isNaN, isFinite
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---*/
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// CHECK#1
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if (typeof(NaN) !== "number") {
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$ERROR('#1: typeof(NaN) === "number". Actual: ' + (typeof(NaN)));
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}
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// CHECK#2
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if (isNaN(NaN) !== true) {
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$ERROR('#2: NaN === Not-a-Number. Actual: ' + (NaN));
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}
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// CHECK#3
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if (isFinite(NaN) !== false) {
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$ERROR('#3: NaN === Not-a-Finite. Actual: ' + (NaN));
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}
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