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archived-php-src/ext/standard/tests/math/srand_variation1.phpt
T
Gabriel Caruso ce1d69a1f6 Use int instead of integer in type errors
PHP requires integer typehints to be written "int" and does not
allow "integer" as an alias. This changes type error messages to
match the actual type name and avoids confusing messages like
"must be of the type integer, integer given".
2018-02-04 19:08:23 +01:00

189 lines
2.8 KiB
PHP

--TEST--
Test srand() function : usage variations - different data types as $seed argument
--SKIPIF--
<?php if (PHP_INT_SIZE !== 4) die("skip this test is for 32-bit only");
--FILE--
<?php
/* Prototype : void srand ([ int $seed ] )
* Description: Seed the random number generator.
* Source code: ext/standard/rand.c
*/
echo "*** Testing srand() : usage variations ***\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,
12345,
-2345,
2147483647,
// float data
/*6*/ 10.5,
-10.5,
12.3456789000e10,
12.3456789000E-10,
.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 srand()
$iterator = 1;
foreach($inputs as $input) {
echo "\n-- Iteration $iterator --\n";
var_dump(srand($input));
$iterator++;
};
fclose($fp);
?>
===Done===
--EXPECTF--
*** Testing srand() : usage variations ***
-- Iteration 1 --
NULL
-- Iteration 2 --
NULL
-- Iteration 3 --
NULL
-- Iteration 4 --
NULL
-- Iteration 5 --
NULL
-- Iteration 6 --
NULL
-- Iteration 7 --
NULL
-- Iteration 8 --
Warning: srand() expects parameter 1 to be int, float given in %s on line %d
NULL
-- Iteration 9 --
NULL
-- Iteration 10 --
NULL
-- Iteration 11 --
NULL
-- Iteration 12 --
NULL
-- Iteration 13 --
NULL
-- Iteration 14 --
NULL
-- Iteration 15 --
NULL
-- Iteration 16 --
NULL
-- Iteration 17 --
Warning: srand() expects parameter 1 to be int, string given in %s on line %d
NULL
-- Iteration 18 --
Warning: srand() expects parameter 1 to be int, string given in %s on line %d
NULL
-- Iteration 19 --
Warning: srand() expects parameter 1 to be int, array given in %s on line %d
NULL
-- Iteration 20 --
Warning: srand() expects parameter 1 to be int, string given in %s on line %d
NULL
-- Iteration 21 --
Warning: srand() expects parameter 1 to be int, string given in %s on line %d
NULL
-- Iteration 22 --
Warning: srand() expects parameter 1 to be int, string given in %s on line %d
NULL
-- Iteration 23 --
Warning: srand() expects parameter 1 to be int, object given in %s on line %d
NULL
-- Iteration 24 --
NULL
-- Iteration 25 --
NULL
-- Iteration 26 --
Warning: srand() expects parameter 1 to be int, resource given in %s on line %d
NULL
===Done===