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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released March
* 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/**
File Name: 9.2.js
ECMA Section: 9.2 Type Conversion: ToBoolean
Description: rules for converting an argument to a boolean.
undefined false
Null false
Boolean input argument( no conversion )
Number returns false for 0, -0, and NaN
otherwise return true
String return false if the string is empty
(length is 0) otherwise the result is
true
Object all return true
Author: christine@netscape.com
Date: 14 july 1997
*/
var SECTION = "9.2";
var VERSION = "ECMA_1";
startTest();
var TITLE = "ToBoolean";
writeHeaderToLog( SECTION + " "+ TITLE);
var testcases = new Array();
// special cases here
testcases[tc++] = new TestCase( SECTION, "Boolean()", false, Boolean() );
testcases[tc++] = new TestCase( SECTION, "Boolean(var x)", false, Boolean(eval("var x")) );
testcases[tc++] = new TestCase( SECTION, "Boolean(void 0)", false, Boolean(void 0) );
testcases[tc++] = new TestCase( SECTION, "Boolean(null)", false, Boolean(null) );
testcases[tc++] = new TestCase( SECTION, "Boolean(false)", false, Boolean(false) );
testcases[tc++] = new TestCase( SECTION, "Boolean(true)", true, Boolean(true) );
testcases[tc++] = new TestCase( SECTION, "Boolean(0)", false, Boolean(0) );
testcases[tc++] = new TestCase( SECTION, "Boolean(-0)", false, Boolean(-0) );
testcases[tc++] = new TestCase( SECTION, "Boolean(NaN)", false, Boolean(Number.NaN) );
testcases[tc++] = new TestCase( SECTION, "Boolean('')", false, Boolean("") );
// normal test cases here
testcases[tc++] = new TestCase( SECTION, "Boolean(Infinity)", true, Boolean(Number.POSITIVE_INFINITY) );
testcases[tc++] = new TestCase( SECTION, "Boolean(-Infinity)", true, Boolean(Number.NEGATIVE_INFINITY) );
testcases[tc++] = new TestCase( SECTION, "Boolean(Math.PI)", true, Boolean(Math.PI) );
testcases[tc++] = new TestCase( SECTION, "Boolean(1)", true, Boolean(1) );
testcases[tc++] = new TestCase( SECTION, "Boolean(-1)", true, Boolean(-1) );
testcases[tc++] = new TestCase( SECTION, "Boolean([tab])", true, Boolean("\t") );
testcases[tc++] = new TestCase( SECTION, "Boolean('0')", true, Boolean("0") );
testcases[tc++] = new TestCase( SECTION, "Boolean('string')", true, Boolean("string") );
// ToBoolean (object) should always return true.
testcases[tc++] = new TestCase( SECTION, "Boolean(new String() )", true, Boolean(new String()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new String('') )", true, Boolean(new String("")) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean(true))", true, Boolean(new Boolean(true)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean(false))", true, Boolean(new Boolean(false)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Boolean() )", true, Boolean(new Boolean()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Array())", true, Boolean(new Array()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number())", true, Boolean(new Number()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-0))", true, Boolean(new Number(-0)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(0))", true, Boolean(new Number(0)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(NaN))", true, Boolean(new Number(Number.NaN)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-1))", true, Boolean(new Number(-1)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(Infinity))", true, Boolean(new Number(Number.POSITIVE_INFINITY)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Number(-Infinity))",true, Boolean(new Number(Number.NEGATIVE_INFINITY)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Object())", true, Boolean(new Object()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Function())", true, Boolean(new Function()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Date())", true, Boolean(new Date()) );
testcases[tc++] = new TestCase( SECTION, "Boolean(new Date(0))", true, Boolean(new Date(0)) );
testcases[tc++] = new TestCase( SECTION, "Boolean(Math)", true, Boolean(Math) );
test();
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+
testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
stopTest();
return ( testcases );
}
|