Annotation of embedaddon/php/ext/standard/tests/math/log_variation1.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test log() function : usage variations - different data types as $arg argument
3: --FILE--
4: <?php
5: /* Prototype : float log ( float $arg [, float $base ] )
6: * Description: Natural logarithm.
7: * Source code: ext/standard/math.c
8: */
9:
10: echo "*** Testing log() : usage variations ***\n";
11:
12: //get an unset variable
13: $unset_var = 10;
14: unset ($unset_var);
15:
16: // heredoc string
17: $heredoc = <<<EOT
18: abc
19: xyz
20: EOT;
21:
22: // get a class
23: class classA
24: {
25: }
26:
27: // get a resource variable
28: $fp = fopen(__FILE__, "r");
29:
30: $inputs = array(
31: // int data
32: /*1*/ 0,
33: 1,
34: 12345,
35: -2345,
36: 2147483647,
37:
38: // float data
39: /*6*/ 10.5,
40: -10.5,
41: 12.3456789000e10,
42: 12.3456789000E-10,
43: .5,
44:
45: // null data
46: /*11*/ NULL,
47: null,
48:
49: // boolean data
50: /*13*/ true,
51: false,
52: TRUE,
53: FALSE,
54:
55: // empty data
56: /*17*/ "",
57: '',
58: array(),
59:
60: // string data
61: /*20*/ "abcxyz",
62: 'abcxyz',
63: $heredoc,
64:
65: // object data
66: /*23*/ new classA(),
67:
68: // undefined data
69: /*24*/ @$undefined_var,
70:
71: // unset data
72: /*25*/ @$unset_var,
73:
74: // resource variable
75: /*26*/ $fp
76: );
77:
78: // loop through each element of $inputs to check the behaviour of log()
79: $iterator = 1;
80: foreach($inputs as $input) {
81: echo "\n-- Iteration $iterator --\n";
82: var_dump(log($input, 10));
83: $iterator++;
84: };
85: fclose($fp);
86: ?>
87: ===Done===
88: --EXPECTF--
89: *** Testing log() : usage variations ***
90:
91: -- Iteration 1 --
92: float(-INF)
93:
94: -- Iteration 2 --
95: float(0)
96:
97: -- Iteration 3 --
98: float(4.091491094268)
99:
100: -- Iteration 4 --
101: float(NAN)
102:
103: -- Iteration 5 --
104: float(9.3319298653812)
105:
106: -- Iteration 6 --
107: float(1.0211892990699)
108:
109: -- Iteration 7 --
110: float(NAN)
111:
112: -- Iteration 8 --
113: float(11.091514977169)
114:
115: -- Iteration 9 --
116: float(-8.9084850228307)
117:
118: -- Iteration 10 --
119: float(-0.30102999566398)
120:
121: -- Iteration 11 --
122: float(-INF)
123:
124: -- Iteration 12 --
125: float(-INF)
126:
127: -- Iteration 13 --
128: float(0)
129:
130: -- Iteration 14 --
131: float(-INF)
132:
133: -- Iteration 15 --
134: float(0)
135:
136: -- Iteration 16 --
137: float(-INF)
138:
139: -- Iteration 17 --
140:
141: Warning: log() expects parameter 1 to be double, string given in %s on line %d
142: NULL
143:
144: -- Iteration 18 --
145:
146: Warning: log() expects parameter 1 to be double, string given in %s on line %d
147: NULL
148:
149: -- Iteration 19 --
150:
151: Warning: log() expects parameter 1 to be double, array given in %s on line %d
152: NULL
153:
154: -- Iteration 20 --
155:
156: Warning: log() expects parameter 1 to be double, string given in %s on line %d
157: NULL
158:
159: -- Iteration 21 --
160:
161: Warning: log() expects parameter 1 to be double, string given in %s on line %d
162: NULL
163:
164: -- Iteration 22 --
165:
166: Warning: log() expects parameter 1 to be double, string given in %s on line %d
167: NULL
168:
169: -- Iteration 23 --
170:
171: Warning: log() expects parameter 1 to be double, object given in %s on line %d
172: NULL
173:
174: -- Iteration 24 --
175: float(-INF)
176:
177: -- Iteration 25 --
178: float(-INF)
179:
180: -- Iteration 26 --
181:
182: Warning: log() expects parameter 1 to be double, resource given in %s on line %d
183: NULL
184: ===Done===
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