// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: | Empty string, 0, false are all equal (==) to each other, since they all evaluate to 0 es5id: 8.4_A8 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'); } // /////////////////////////////////////////////////////////////