test262/test/built-ins/Math/pow/applying-the-exp-operator_A4.js
Leo Balter e49d2661a8 Improve assertions comparing values to NaN (#690)
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.
2016-07-01 11:22:55 -07:00

29 lines
745 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: If base is NaN and exponent is nonzero, the result is NaN.
esid: sec-applying-the-exp-operator
---*/
var base = NaN;
var exponent = new Array();
exponent[0] = -Infinity;
exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
exponent[2] = -0.000000000000001;
exponent[3] = 0.000000000000001;
exponent[4] = 1.7976931348623157E308; //largest finite number
exponent[5] = +Infinity;
exponent[6] = NaN;
var exponentnum = 7;
for (var i = 0; i < exponentnum; i++)
{
assert.sameValue(
Math.pow(base, exponent[i]),
NaN,
"(" + base + ", " + exponent[i] + ")"
);
}