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39 lines
958 B
JavaScript
39 lines
958 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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* The production x += y is the same as x = x + y
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*
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* @path ch11/11.13/11.13.2/S11.13.2_A4.4_T2.3.js
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* @description Type(x) is different from Type(y) and both types vary between Number (primitive or object) and Undefined
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*/
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//CHECK#1
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x = 1;
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x += undefined;
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if (isNaN(x) !== true) {
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$ERROR('#1: x = 1; x += undefined; x === Not-a-Number. Actual: ' + (x));
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}
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//CHECK#2
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x = undefined;
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x += 1;
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if (isNaN(x) !== true) {
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$ERROR('#2: x = undefined; x += 1; x === Not-a-Number. Actual: ' + (x));
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}
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//CHECK#3
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x = new Number(1);
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x += undefined;
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if (isNaN(x) !== true) {
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$ERROR('#3: x = new Number(1); x += undefined; x === Not-a-Number. Actual: ' + (x));
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}
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//CHECK#4
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x = undefined;
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x += new Number(1);
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if (isNaN(x) !== true) {
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$ERROR('#4: x = undefined; x += new Number(1); x === Not-a-Number. Actual: ' + (x));
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}
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