1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// 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');
}
//
/////////////////////////////////////////////////////////////
|
