| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * Empty string, 0, false are all equal (==) to each other, since they all evaluate to 0 |
| * |
| * @path ch08/8.4/S8.4_A8.js |
| * @description Compare empty string with undefined, null, 0 and false |
| */ |
| |
| var str=''; |
| |
| //////////////////////////////////////////////////////////// |
| // CHECK#1 |
| if (str == undefined){ |
| $ERROR('#1: Empty string and undefined are not equal (!=) to each other'); |
| } |
| // |
| ///////////////////////////////////////////////////////////// |
| |
| //////////////////////////////////////////////////////////// |
| // CHECK#2 |
| if (str == null){ |
| $ERROR('#1: Empty string and Null are not equal (!=) to each other'); |
| } |
| // |
| ///////////////////////////////////////////////////////////// |
| |
| //////////////////////////////////////////////////////////// |
| // CHECK#3 |
| if (str != 0){ |
| $ERROR('#3: Empty string and 0 are equal (==) to each other, since they all evaluate to 0'); |
| } |
| // |
| ///////////////////////////////////////////////////////////// |
| |
| //////////////////////////////////////////////////////////// |
| // CHECK#4 |
| if (str != false){ |
| $ERROR('#4: Empty string and false are equal (==) to each other, since they all evaluate to 0'); |
| } |
| // |
| ///////////////////////////////////////////////////////////// |
| |
