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31 lines
829 B
JavaScript
31 lines
829 B
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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* Operator x - y returns ToNumber(x) - ToNumber(y)
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*
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* @path ch11/11.6/11.6.2/S11.6.2_A3_T1.4.js
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* @description Type(x) and Type(y) vary between Null and Undefined
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*/
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//CHECK#1
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if (isNaN(null - undefined) !== true) {
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$ERROR('#1: null - undefined === Not-a-Number. Actual: ' + (null - undefined));
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}
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//CHECK#2
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if (isNaN(undefined - null) !== true) {
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$ERROR('#2: undefined - null === Not-a-Number. Actual: ' + (undefined - null));
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}
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//CHECK#3
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if (isNaN(undefined - undefined) !== true) {
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$ERROR('#3: undefined - undefined === Not-a-Number. Actual: ' + (undefined - undefined));
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}
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//CHECK#4
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if (null - null !== 0) {
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$ERROR('#4: null - null === 0. Actual: ' + (null - null));
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}
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