| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * If Type(Primitive(x)) is not String and Type(Primitive(y)) is not String, then operator x + y returns ToNumber(x) + ToNumber(y) |
| * |
| * @path ch11/11.6/11.6.1/S11.6.1_A3.1_T1.3.js |
| * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Null and Undefined |
| */ |
| |
| //CHECK#1 |
| if (isNaN(null + undefined) !== true) { |
| $ERROR('#1: null + undefined === Not-a-Number. Actual: ' + (null + undefined)); |
| } |
| |
| //CHECK#2 |
| if (isNaN(undefined + null) !== true) { |
| $ERROR('#2: undefined + null === Not-a-Number. Actual: ' + (undefined + null)); |
| } |
| |
| //CHECK#3 |
| if (isNaN(undefined + undefined) !== true) { |
| $ERROR('#3: undefined + undefined === Not-a-Number. Actual: ' + (undefined + undefined)); |
| } |
| |
| //CHECK#4 |
| if (null + null !== 0) { |
| $ERROR('#4: null + null === 0. Actual: ' + (null + null)); |
| } |
| |