mirror of https://github.com/tc39/test262.git
41 lines
1.2 KiB
JavaScript
41 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_T1
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description: If either operand is NaN, the result is NaN
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---*/
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//CHECK#1
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if (isNaN(Number.NaN + 1) !== true ) {
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$ERROR('#1: NaN + 1 === Not-a-Number. Actual: ' + (NaN + 1));
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}
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//CHECK#2
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if (isNaN(1 + Number.NaN) !== true ) {
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$ERROR('#2: 1 + NaN === Not-a-Number. Actual: ' + (1 + NaN));
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}
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//CHECK#3
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if (isNaN(Number.NaN + Number.POSITIVE_INFINITY) !== true ) {
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$ERROR('#3: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity));
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}
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//CHECK#4
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if (isNaN(Number.POSITIVE_INFINITY + Number.NaN) !== true ) {
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$ERROR('#4: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN));
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}
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//CHECK#5
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if (isNaN(Number.NaN + Number.NEGATIVE_INFINITY) !== true ) {
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$ERROR('#5: NaN + Infinity === Not-a-Number. Actual: ' + (NaN + Infinity));
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}
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//CHECK#6
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if (isNaN(Number.NEGATIVE_INFINITY + Number.NaN) !== true ) {
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$ERROR('#6: Infinity + NaN === Not-a-Number. Actual: ' + (Infinity + NaN));
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}
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