mirror of https://github.com/tc39/test262.git
39 lines
1.1 KiB
JavaScript
39 lines
1.1 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_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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