mirror of https://github.com/tc39/test262.git
33 lines
1.1 KiB
JavaScript
33 lines
1.1 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: >
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The result of a floating-point multiplication is governed by the rules of
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IEEE 754 double-precision arithmetics
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es5id: 11.5.1_A4_T4
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description: >
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Multiplication of an infinity by an infinity results in an
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infinity of appropriate sign
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---*/
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//CHECK#1
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if (Number.NEGATIVE_INFINITY * Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY) {
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$ERROR('#1: -Infinity * -Infinity === Infinity. Actual: ' + (-Infinity * -Infinity));
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}
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//CHECK#2
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if (Number.POSITIVE_INFINITY * Number.POSITIVE_INFINITY !== Number.POSITIVE_INFINITY) {
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$ERROR('#2: Infinity * Infinity === Infinity. Actual: ' + (Infinity * Infinity));
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}
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//CHECK#3
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if (Number.NEGATIVE_INFINITY * Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY) {
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$ERROR('#3: -Infinity * Infinity === -Infinity. Actual: ' + (-Infinity * Infinity));
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}
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//CHECK#4
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if (Number.POSITIVE_INFINITY * Number.NEGATIVE_INFINITY !== Number.NEGATIVE_INFINITY) {
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$ERROR('#4: Infinity * -Infinity === -Infinity. Actual: ' + (Infinity * -Infinity));
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}
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