mirror of https://github.com/tc39/test262.git
33 lines
1.2 KiB
JavaScript
33 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: >
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The result of an addition is determined using the rules of IEEE 754
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double-precision arithmetics
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es5id: 11.6.1_A4_T8
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description: >
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If the magnitude is too large to represent, the operation
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overflows and the result is then an infinity of appropriate sign
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---*/
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//CHECK#1
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if (Number.MAX_VALUE + Number.MAX_VALUE !== Number.POSITIVE_INFINITY) {
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$ERROR('#1: Number.MAX_VALUE + Number.MAX_VALUE === Number.POSITIVE_INFINITY. Actual: ' + (Number.MAX_VALUE + Number.MAX_VALUE));
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}
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//CHECK#2
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if (-Number.MAX_VALUE - Number.MAX_VALUE !== Number.NEGATIVE_INFINITY) {
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$ERROR('#2: -Number.MAX_VALUE - Number.MAX_VALUE === Number.NEGATIVE_INFINITY. Actual: ' + (-Number.MAX_VALUE - Number.MAX_VALUE));
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}
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//CHECK#3
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if (1e+308 + 1e+308 !== Number.POSITIVE_INFINITY) {
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$ERROR('#3: 1e+308 + 1e+308 === Number.POSITIVE_INFINITY. Actual: ' + (1e+308 + 1e+308));
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}
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//CHECK#4
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if (-8.99e+307 - 8.99e+307 !== Number.NEGATIVE_INFINITY) {
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$ERROR('#4: -8.99e+307 - 8.99e+307 === Number.NEGATIVE_INFINITY. Actual: ' + (-8.99e+307 - 8.99e+307));
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}
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