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--TEST--
Test fseek(), ftell() & rewind() functions : error conditions - rewind()
--FILE--
<?php
/* Prototype: int fseek ( resource $handle, int $offset [, int $whence] );
Description: Seeks on a file pointer
Prototype: bool rewind ( resource $handle );
Description: Rewind the position of a file pointer
Prototype: int ftell ( resource $handle );
Description: Tells file pointer read/write position
*/
echo "*** Testing rewind() : error conditions ***\n";
// zero argument
echo "-- Testing rewind() with zero argument --\n";
var_dump( rewind() );
// more than expected no. of args
echo "-- Testing rewind() with more than expected number of arguments --\n";
$fp = fopen(__FILE__, "r");
var_dump( rewind($fp, 10) );
// test invalid arguments : non-resources
echo "-- Testing rewind() with invalid arguments --\n";
$invalid_args = array (
"string",
10,
10.5,
true,
array(1,2,3),
new stdclass,
);
/* loop to test rewind with different invalid type of args */
for($loop_counter = 1; $loop_counter <= count($invalid_args); $loop_counter++) {
echo "-- Iteration $loop_counter --\n";
var_dump( rewind($invalid_args[$loop_counter - 1]) );
}
// rewind on a file handle which is already closed
echo "-- Testing rewind() with closed/unset file handle --";
fclose($fp);
var_dump(rewind($fp));
// rewind on a file handle which is unset
$file_handle = fopen(__FILE__, "r");
unset($file_handle); //unset file handle
var_dump( rewind(@$file_handle) );
echo "Done\n";
?>
--EXPECTF--
*** Testing rewind() : error conditions ***
-- Testing rewind() with zero argument --
Warning: rewind() expects exactly 1 parameter, 0 given in %s on line %d
bool(false)
-- Testing rewind() with more than expected number of arguments --
Warning: rewind() expects exactly 1 parameter, 2 given in %s on line %d
bool(false)
-- Testing rewind() with invalid arguments --
-- Iteration 1 --
Warning: rewind() expects parameter 1 to be resource, string given in %s on line %d
bool(false)
-- Iteration 2 --
Warning: rewind() expects parameter 1 to be resource, integer given in %s on line %d
bool(false)
-- Iteration 3 --
Warning: rewind() expects parameter 1 to be resource, double given in %s on line %d
bool(false)
-- Iteration 4 --
Warning: rewind() expects parameter 1 to be resource, boolean given in %s on line %d
bool(false)
-- Iteration 5 --
Warning: rewind() expects parameter 1 to be resource, array given in %s on line %d
bool(false)
-- Iteration 6 --
Warning: rewind() expects parameter 1 to be resource, object given in %s on line %d
bool(false)
-- Testing rewind() with closed/unset file handle --
Warning: rewind(): %d is not a valid stream resource in %s on line %d
bool(false)
Warning: rewind() expects parameter 1 to be resource, null given in %s on line %d
bool(false)
Done