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e49d2661a8
The global isNaN is not precise at all, and Number.isNaN is an ES6 feature that makes it preferrable to use assert's sameValue for NaN values, as it handles it internally using the comparison.
27 lines
705 B
JavaScript
27 lines
705 B
JavaScript
// Copyright 2016 Rick Waldron. 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-applying-the-exp-operator
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description: If base is NaN and exponent is nonzero, the result is NaN.
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---*/
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var base = NaN;
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var exponents = [];
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exponents[0] = -Infinity;
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exponents[1] = -1.7976931348623157E308; //largest (by module) finite number
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exponents[2] = -0.000000000000001;
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exponents[3] = 0.000000000000001;
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exponents[4] = 1.7976931348623157E308; //largest finite number
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exponents[5] = +Infinity;
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exponents[6] = NaN;
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for (var i = 0; i < exponents.length; i++) {
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assert.sameValue(
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base ** exponents[i],
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NaN,
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base + " ** " + exponents[i]
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);
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}
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