mirror of
https://github.com/php/php-src.git
synced 2025-01-23 04:04:16 +08:00
438 lines
7.3 KiB
PHP
438 lines
7.3 KiB
PHP
--TEST--
|
|
Test fseek(), ftell() & rewind() functions : usage variations - all w and x modes, default whence
|
|
--SKIPIF--
|
|
<?php
|
|
if( substr(PHP_OS, 0, 3) == "WIN" )
|
|
die("skip.. Not valid for Windows");
|
|
?>
|
|
--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
|
|
*/
|
|
|
|
// include the file.inc for common functions for test
|
|
include ("file.inc");
|
|
|
|
/* Testing fseek(),ftell(),rewind() functions
|
|
1. All write and create with write modes
|
|
2. Testing fseek() without using argument whence
|
|
*/
|
|
|
|
echo "*** Testing fseek(), ftell(), rewind() : default whence & all w and x modes ***\n";
|
|
$file_modes = array( "w","wb","wt","w+","w+b","w+t",
|
|
"x","xb","xt","x+","x+b","x+t");
|
|
$file_content_types = array( "text_with_new_line","alphanumeric");
|
|
|
|
$offset = array(-1, 0, 1, 513); // different offsets, including negative and beyond size
|
|
|
|
$filename = dirname(__FILE__)."/fseek_ftell_rewind_variation2.tmp"; // this is name of the file created by create_files()
|
|
|
|
/* open the file using $files_modes and perform fseek(),ftell() and rewind() on it */
|
|
foreach($file_content_types as $file_content_type){
|
|
echo "\n-- File having data of type ". $file_content_type ." --\n";
|
|
|
|
foreach($file_modes as $file_mode) {
|
|
echo "-- File opened in mode ".$file_mode." --\n";
|
|
$file_handle = fopen($filename, $file_mode);
|
|
if (!$file_handle){
|
|
echo "Error: failed to fopen() file: $filename!";
|
|
exit();
|
|
}
|
|
$data_to_be_written="";
|
|
fill_buffer($data_to_be_written, $file_content_type, 512); //get the data of size 512
|
|
$data_to_be_written = $data_to_be_written;
|
|
fwrite($file_handle,(binary)$data_to_be_written);
|
|
rewind($file_handle);
|
|
|
|
echo "-- Testing fseek() without using argument whence --\n";
|
|
foreach($offset as $count){
|
|
var_dump( fseek($file_handle,$count) );
|
|
var_dump( ftell($file_handle) ); // confirm the file pointer position
|
|
var_dump( feof($file_handle) ); //ensure that file pointer is not at end
|
|
} //end of offset loop
|
|
|
|
//close the file and check the size
|
|
fclose($file_handle);
|
|
var_dump( filesize($filename) );
|
|
|
|
delete_file($filename); // delete file with name
|
|
} //end of file_mode loop
|
|
} //end of file_content_types loop
|
|
|
|
echo "Done\n";
|
|
?>
|
|
--EXPECTF--
|
|
*** Testing fseek(), ftell(), rewind() : default whence & all w and x modes ***
|
|
|
|
-- File having data of type text_with_new_line --
|
|
-- File opened in mode w --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode wb --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode wt --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+ --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+b --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+t --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode xb --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode xt --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+ --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+b --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+t --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
|
|
-- File having data of type alphanumeric --
|
|
-- File opened in mode w --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode wb --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode wt --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+ --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+b --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode w+t --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode xb --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode xt --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+ --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+b --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
-- File opened in mode x+t --
|
|
-- Testing fseek() without using argument whence --
|
|
int(-1)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(0)
|
|
bool(false)
|
|
int(0)
|
|
int(1)
|
|
bool(false)
|
|
int(0)
|
|
int(513)
|
|
bool(false)
|
|
int(512)
|
|
Done
|