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33 lines
993 B
JavaScript
33 lines
993 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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info: |
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If Type(Primitive(x)) is not String and Type(Primitive(y)) is not String,
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then operator x + y returns ToNumber(x) + ToNumber(y)
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es5id: 11.6.1_A3.1_T1.3
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description: >
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Type(Primitive(x)) and Type(Primitive(y)) vary between Null and
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Undefined
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---*/
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//CHECK#1
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if (isNaN(null + undefined) !== true) {
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throw new Test262Error('#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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throw new Test262Error('#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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throw new Test262Error('#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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throw new Test262Error('#4: null + null === 0. Actual: ' + (null + null));
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}
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