mirror of https://github.com/tc39/test262.git
53 lines
1.8 KiB
JavaScript
53 lines
1.8 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_T5
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description: >
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Multiplication of an infinity by a finite non-zero value results
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in a signed infinity
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---*/
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//CHECK#1
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if (Number.NEGATIVE_INFINITY * -1 !== Number.POSITIVE_INFINITY) {
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$ERROR('#1: -Infinity * -1 === Infinity. Actual: ' + (-Infinity * -1));
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}
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//CHECK#2
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if (-1 * Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY) {
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$ERROR('#2: -1 * -Infinity === Infinity. Actual: ' + (-1 * -Infinity));
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}
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//CHECK#3
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if (Number.POSITIVE_INFINITY * -1 !== Number.NEGATIVE_INFINITY) {
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$ERROR('#3: Infinity * -1 === -Infinity. Actual: ' + (Infinity * -1));
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}
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//CHECK#4
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if (-1 * Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY) {
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$ERROR('#4: -1 * Infinity === -Infinity. Actual: ' + (-1 * Infinity));
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}
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//CHECK#5
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if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.POSITIVE_INFINITY) {
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$ERROR('#5: Infinity * Number.MAX_VALUE === Infinity. Actual: ' + (Infinity * Number.MAX_VALUE));
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}
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//CHECK#6
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if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.MAX_VALUE * Number.POSITIVE_INFINITY) {
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$ERROR('#6: Infinity * Number.MAX_VALUE === Number.MAX_VALUE * Infinity. Actual: ' + (Infinity * Number.MAX_VALUE));
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}
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//CHECK#7
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if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.NEGATIVE_INFINITY) {
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$ERROR('#7: -Infinity * Number.MIN_VALUE === -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE));
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}
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//CHECK#8
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if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.MIN_VALUE * Number.NEGATIVE_INFINITY) {
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$ERROR('#8: -Infinity * Number.MIN_VALUE === Number.MIN_VALUE * -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE));
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}
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