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202 lines
3.4 KiB
PHP
202 lines
3.4 KiB
PHP
--TEST--
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Test log() function : usage variations - different data types as $base argument
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--FILE--
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<?php
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/* Prototype : float log ( float $arg [, float $base ] )
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* Description: Natural logarithm.
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* Source code: ext/standard/math.c
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*/
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echo "*** Testing log() : usage variations ***\n";
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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// heredoc string
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$heredoc = <<<EOT
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abc
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xyz
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EOT;
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// get a class
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class classA
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{
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}
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// get a resource variable
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$fp = fopen(__FILE__, "r");
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$inputs = array(
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// int data
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/*1*/ 0,
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1,
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12345,
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-2345,
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2147483647,
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// float data
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/*6*/ 10.5,
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-10.5,
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12.3456789000e10,
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12.3456789000E-10,
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.5,
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// null data
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/*11*/ NULL,
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null,
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// boolean data
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/*13*/ true,
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false,
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TRUE,
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FALSE,
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// empty data
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/*17*/ "",
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'',
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array(),
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// string data
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/*20*/ "abcxyz",
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'abcxyz',
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$heredoc,
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// object data
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/*23*/ new classA(),
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// undefined data
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/*24*/ @$undefined_var,
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// unset data
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/*25*/ @$unset_var,
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// resource variable
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/*26*/ $fp
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);
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// loop through each element of $inputs to check the behaviour of log()
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$iterator = 1;
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foreach($inputs as $input) {
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echo "\n-- Iteration $iterator --\n";
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var_dump(log(3.14, $input));
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$iterator++;
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};
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fclose($fp);
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?>
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===Done===
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--EXPECTF--
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*** Testing log() : usage variations ***
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-- Iteration 1 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 2 --
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float(NAN)
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-- Iteration 3 --
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float(0.12145441273706)
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-- Iteration 4 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 5 --
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float(0.053250469650086)
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-- Iteration 6 --
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float(0.48661854224853)
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-- Iteration 7 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 8 --
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float(0.044802684673473)
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-- Iteration 9 --
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float(-0.055781611216686)
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-- Iteration 10 --
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float(-1.6507645591169)
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-- Iteration 11 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 12 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 13 --
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float(NAN)
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-- Iteration 14 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 15 --
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float(NAN)
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-- Iteration 16 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 17 --
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Warning: log() expects parameter 2 to be double, string given in %s on line %d
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NULL
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-- Iteration 18 --
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Warning: log() expects parameter 2 to be double, string given in %s on line %d
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NULL
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-- Iteration 19 --
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Warning: log() expects parameter 2 to be double, array given in %s on line %d
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NULL
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-- Iteration 20 --
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Warning: log() expects parameter 2 to be double, string given in %s on line %d
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NULL
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-- Iteration 21 --
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Warning: log() expects parameter 2 to be double, string given in %s on line %d
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NULL
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-- Iteration 22 --
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Warning: log() expects parameter 2 to be double, string given in %s on line %d
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NULL
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-- Iteration 23 --
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Warning: log() expects parameter 2 to be double, object given in %s on line %d
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NULL
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-- Iteration 24 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 25 --
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Warning: log(): base must be greater than 0 in %s on line %d
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bool(false)
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-- Iteration 26 --
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Warning: log() expects parameter 2 to be double, resource given in %s on line %d
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NULL
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===Done===
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