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42 ECMA Section: 11.4.9 Logical NOT Operator (!)
43 Description: if the ToBoolean( VALUE ) result is true, return
44 true. else return false.
45 Author: christine@netscape.com
51 var SECTION = "11.4.9";
52 var VERSION = "ECMA_1";
54 var TITLE = "Logical NOT operator (!)";
56 writeHeaderToLog( SECTION + " "+ TITLE);
58 new TestCase( SECTION, "!(null)", true, !(null) );
59 new TestCase( SECTION, "!(var x)", true, !(eval("var x")) );
60 new TestCase( SECTION, "!(void 0)", true, !(void 0) );
62 new TestCase( SECTION, "!(false)", true, !(false) );
63 new TestCase( SECTION, "!(true)", false, !(true) );
64 new TestCase( SECTION, "!()", true, !(eval()) );
65 new TestCase( SECTION, "!(0)", true, !(0) );
66 new TestCase( SECTION, "!(-0)", true, !(-0) );
67 new TestCase( SECTION, "!(NaN)", true, !(Number.NaN) );
68 new TestCase( SECTION, "!(Infinity)", false, !(Number.POSITIVE_INFINITY) );
69 new TestCase( SECTION, "!(-Infinity)", false, !(Number.NEGATIVE_INFINITY) );
70 new TestCase( SECTION, "!(Math.PI)", false, !(Math.PI) );
71 new TestCase( SECTION, "!(1)", false, !(1) );
72 new TestCase( SECTION, "!(-1)", false, !(-1) );
73 new TestCase( SECTION, "!('')", true, !("") );
74 new TestCase( SECTION, "!('\t')", false, !("\t") );
75 new TestCase( SECTION, "!('0')", false, !("0") );
76 new TestCase( SECTION, "!('string')", false, !("string") );
77 new TestCase( SECTION, "!(new String(''))", false, !(new String("")) );
78 new TestCase( SECTION, "!(new String('string'))", false, !(new String("string")) );
79 new TestCase( SECTION, "!(new String())", false, !(new String()) );
80 new TestCase( SECTION, "!(new Boolean(true))", false, !(new Boolean(true)) );
81 new TestCase( SECTION, "!(new Boolean(false))", false, !(new Boolean(false)) );
82 new TestCase( SECTION, "!(new Array())", false, !(new Array()) );
83 new TestCase( SECTION, "!(new Array(1,2,3)", false, !(new Array(1,2,3)) );
84 new TestCase( SECTION, "!(new Number())", false, !(new Number()) );
85 new TestCase( SECTION, "!(new Number(0))", false, !(new Number(0)) );
86 new TestCase( SECTION, "!(new Number(NaN))", false, !(new Number(Number.NaN)) );
87 new TestCase( SECTION, "!(new Number(Infinity))", false, !(new Number(Number.POSITIVE_INFINITY)) );