mirror of https://github.com/tc39/test262.git
51 lines
1.7 KiB
JavaScript
51 lines
1.7 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: Operator x - y produces the same result as x + (-y)
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es5id: 11.6.2_A4_T4
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description: >
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The difference of an infinity and a finite value is equal to
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infinity of appropriate sign
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---*/
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//CHECK#1
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if (Number.POSITIVE_INFINITY - 1 !== Number.POSITIVE_INFINITY ) {
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$ERROR('#1: Infinity - 1 === Infinity. Actual: ' + (Infinity - 1));
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}
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//CHECK#2
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if (-1 - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {
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$ERROR('#2: -1 - Infinity === -Infinity. Actual: ' + (-1 - Infinity));
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}
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//CHECK#3
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if (Number.NEGATIVE_INFINITY - 1 !== Number.NEGATIVE_INFINITY ) {
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$ERROR('#3: -Infinity - 1 === -Infinity. Actual: ' + (-Infinity - 1));
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}
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//CHECK#4
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if (-1 - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) {
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$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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$ERROR('#5: Infinity - Number.MAX_VALUE === Infinity. Actual: ' + (Infinity - Number.MAX_VALUE));
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}
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//CHECK#6
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if (-Number.MAX_VALUE - Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY ) {
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$ERROR('#6: -Number.MAX_VALUE - Infinity === I-nfinity. Actual: ' + (-Number.MAX_VALUE - Infinity));
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}
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//CHECK#7
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if (Number.NEGATIVE_INFINITY - Number.MAX_VALUE !== Number.NEGATIVE_INFINITY ) {
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$ERROR('#7: -Infinity - Number.MAX_VALUE === -Infinity. Actual: ' + (-Infinity - Number.MAX_VALUE));
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}
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//CHECK#8
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if (-Number.MAX_VALUE - Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY ) {
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$ERROR('#8: -Number.MAX_VALUE - -Infinity === Infinity. Actual: ' + (-Number.MAX_VALUE - -Infinity));
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}
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