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41 File Name: 15.8.2.10.js
42 ECMA Section: 15.8.2.10 Math.log(x)
43 Description: return an approximiation to the natural logarithm of
46 - if arg is NaN result is NaN
47 - if arg is <0 result is NaN
48 - if arg is 0 or -0 result is -Infinity
49 - if arg is 1 result is 0
50 - if arg is Infinity result is Infinity
51 Author: christine@netscape.com
55 var SECTION = "15.8.2.10";
56 var VERSION = "ECMA_1";
57 var TITLE = "Math.log(x)";
58 var BUGNUMBER = "77391";
62 writeHeaderToLog( SECTION + " "+ TITLE);
65 new TestCase( SECTION,
71 new TestCase( SECTION,
76 new TestCase( SECTION,
81 new TestCase( SECTION,
83 Number.NEGATIVE_INFINITY,
86 new TestCase( SECTION,
91 new TestCase( SECTION,
96 new TestCase( SECTION,
101 new TestCase( SECTION,
106 new TestCase( SECTION,
107 "Math.log('Infinity')",
109 Math.log("Infinity") );
112 new TestCase( SECTION,
115 Math.log(Number.NaN) );
117 new TestCase( SECTION,
118 "Math.log(-0.0000001)",
120 Math.log(-0.000001) );
122 new TestCase( SECTION,
127 new TestCase( SECTION,
129 Number.NEGATIVE_INFINITY,
132 new TestCase( SECTION,
134 Number.NEGATIVE_INFINITY,
137 new TestCase( SECTION,
142 new TestCase( SECTION,
143 "Math.log(Infinity)",
144 Number.POSITIVE_INFINITY,
145 Math.log(Number.POSITIVE_INFINITY) );
147 new TestCase( SECTION,
148 "Math.log(-Infinity)",
150 Math.log(Number.NEGATIVE_INFINITY) );