mirror of https://github.com/tc39/test262.git
38 lines
1.4 KiB
JavaScript
38 lines
1.4 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_T7
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description: >
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The mathematical difference of two nonzero finite values of the
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same magnitude and same sign is +0
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---*/
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//CHECK#1
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if (Number.MIN_VALUE - Number.MIN_VALUE !== +0) {
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$ERROR('#1.1: Number.MIN_VALUE - Number.MIN_VALUE === 0. Actual: ' + (Number.MIN_VALUE - Number.MIN_VALUE));
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} else {
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if (1 / (Number.MIN_VALUE - Number.MIN_VALUE) !== Number.POSITIVE_INFINITY) {
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$ERROR('#1.2: Number.MIN_VALUE - Number.MIN_VALUE === + 0. Actual: -0');
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}
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}
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//CHECK#2
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if (-Number.MAX_VALUE - -Number.MAX_VALUE !== +0) {
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$ERROR('#2.2: -Number.MAX_VALUE - -Number.MAX_VALUE === 0. Actual: ' + (-Number.MAX_VALUE - -Number.MAX_VALUE));
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} else {
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if (1 / (-Number.MAX_VALUE - -Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
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$ERROR('#2.1: -Number.MAX_VALUE - -Number.MAX_VALUE === + 0. Actual: -0');
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}
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}
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//CHECK#3
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if (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE !== +0) {
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$ERROR('#3.1: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === 0. Actual: ' + (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE));
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} else {
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if (1 / (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) {
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$ERROR('#3.2: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === + 0. Actual: -0');
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}
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}
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