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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186
|
--TEST--
Test atan2() function : usage variations - different data types as $x arg
--INI--
precision = 10
--FILE--
<?php
/* Prototype : float atan2 ( float $y , float $x )
* Description: Arc tangent of two variables.
* Source code: ext/standard/math.c
*/
echo "*** Testing atan2() : basic functionality ***\n";
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// heredoc string
$heredoc = <<<EOT
abc
xyz
EOT;
// get a class
class classA
{
}
// get a resource variable
$fp = fopen(__FILE__, "r");
$inputs = array(
// int data
/*1*/ 0,
1,
12,
-12,
2147483647,
// float data
/*6*/ 10.5,
-10.5,
1.234567e2,
1.234567E-2,
.5,
// null data
/*11*/ NULL,
null,
// boolean data
/*13*/ true,
false,
TRUE,
FALSE,
// empty data
/*17*/ "",
'',
array(),
// string data
/*20*/ "abcxyz",
'abcxyz',
$heredoc,
// object data
/*23*/ new classA(),
// undefined data
/*24*/ @$undefined_var,
// unset data
/*25*/ @$unset_var,
// resource variable
/*26*/ $fp
);
// loop through each element of $inputs to check the behaviour of atan2()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump(atan2(23, $input));
$iterator++;
};
fclose($fp);
?>
===Done===
--EXPECTF--
*** Testing atan2() : basic functionality ***
-- Iteration 1 --
float(1.570796327)
-- Iteration 2 --
float(1.527345431)
-- Iteration 3 --
float(1.089909047)
-- Iteration 4 --
float(2.051683607)
-- Iteration 5 --
float(1.071020961E-8)
-- Iteration 6 --
float(1.142532174)
-- Iteration 7 --
float(1.99906048)
-- Iteration 8 --
float(0.1841885846)
-- Iteration 9 --
float(1.570259559)
-- Iteration 10 --
float(1.54906062)
-- Iteration 11 --
float(1.570796327)
-- Iteration 12 --
float(1.570796327)
-- Iteration 13 --
float(1.527345431)
-- Iteration 14 --
float(1.570796327)
-- Iteration 15 --
float(1.527345431)
-- Iteration 16 --
float(1.570796327)
-- Iteration 17 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: atan2() expects parameter 2 to be double, array given in %s on line %d
NULL
-- Iteration 20 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 21 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 22 --
Warning: atan2() expects parameter 2 to be double, string given in %s on line %d
NULL
-- Iteration 23 --
Warning: atan2() expects parameter 2 to be double, object given in %s on line %d
NULL
-- Iteration 24 --
float(1.570796327)
-- Iteration 25 --
float(1.570796327)
-- Iteration 26 --
Warning: atan2() expects parameter 2 to be double, resource given in %s on line %d
NULL
===Done===
|