mirror of https://github.com/tc39/test262.git
31 lines
926 B
JavaScript
31 lines
926 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: Operator x - y returns ToNumber(x) - ToNumber(y)
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es5id: 11.6.2_A3_T2.4
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description: >
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Type(x) is different from Type(y) and both types vary between
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Number (primitive or object) and Undefined
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---*/
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//CHECK#1
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if (isNaN(1 - undefined) !== true) {
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$ERROR('#1: 1 - undefined === Not-a-Number. Actual: ' + (1 - undefined));
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}
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//CHECK#2
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if (isNaN(undefined - 1) !== true) {
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$ERROR('#2: undefined - 1 === Not-a-Number. Actual: ' + (undefined - 1));
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}
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//CHECK#3
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if (isNaN(new Number(1) - undefined) !== true) {
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$ERROR('#3: new Number(1) - undefined === Not-a-Number. Actual: ' + (new Number(1) - undefined));
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}
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//CHECK#4
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if (isNaN(undefined - new Number(1)) !== true) {
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$ERROR('#4: undefined - new Number(1) === Not-a-Number. Actual: ' + (undefined - new Number(1)));
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}
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