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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.
67 lines
1.2 KiB
JavaScript
67 lines
1.2 KiB
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: If any value is NaN, the result of Math.max is NaN
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es5id: 15.8.2.11_A2
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description: >
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The script tests Math.max giving 1, 2 and 3 arguments to the
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function where at least one of the arguments is NaN
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---*/
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assert.sameValue(Math.max(NaN), NaN, "NaN");
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// CHECK#2
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var vals = new Array();
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vals[0] = -Infinity;
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vals[1] = -0.000000000000001;
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vals[2] = -0;
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vals[3] = +0
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vals[4] = 0.000000000000001;
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vals[5] = +Infinity;
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vals[6] = NaN;
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var valnum = 7;
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var args = new Array();
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for (var i = 0; i <= 1; i++)
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{
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args[i] = NaN;
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for (var j = 0; j < valnum; j++)
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{
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args[1-i] = vals[j];
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assert.sameValue(
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Math.max(args[0], args[1]),
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NaN,
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"max(" + args[0] + ", " + args[1] + ")"
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);
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}
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}
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// CHECK #3
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var k = 1;
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var l = 2;
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for (var i = 0; i <= 2; i++)
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{
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args[i] = NaN;
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if (i === 1)
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{
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k = 0;
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} else if (i === 2)
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{
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l = 1;
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}
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for (var j = 0; j < valnum; j++)
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{
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for (var jj = 0; jj < valnum; jj++)
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{
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args[k] = vals[j];
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args[l] = vals[jj];
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assert.sameValue(
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Math.max(args[0], args[1], args[2]),
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NaN,
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"max(" + args[0] + ", " + args[1] + ", " + args[2] + ")"
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);
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}
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}
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}
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