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|
--TEST--
Test ftruncate() function : usage variations - truncate file to half size
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
die('skip.. Not valid for Windows');
}
?>
--FILE--
<?php
/*
Prototype: bool ftruncate ( resource $handle, int $size );
Description: Truncates a file to a given length
*/
// include common file related test functions
include ("file.inc");
echo "*** Testing ftruncate() : usage variations ***\n";
/* test ftruncate with file opened in different modes */
$file_modes = array("r", "rb", "rt", "r+", "r+b", "r+t",
"w", "wb", "wt", "w+", "w+b", "w+t",
"x", "xb", "xt", "x+", "x+b", "x+t",
"a", "ab", "at", "a+", "a+b", "a+t");
$file_content_types = array("numeric","text_with_new_line");
foreach($file_content_types as $file_content_type) {
echo "\n-- Testing ftruncate() with file having data of type ". $file_content_type ." --\n";
for($mode_counter = 0; $mode_counter < count($file_modes); $mode_counter++) {
echo "-- Testing ftruncate() with file opening using $file_modes[$mode_counter] mode --\n";
// create 1 file with some contents
$filename = __DIR__."/ftruncate_variation3.tmp";
if( strstr($file_modes[$mode_counter], "x") || strstr($file_modes[$mode_counter], "w") ) {
// fopen the file using the $file_modes
$file_handle = fopen($filename, $file_modes[$mode_counter]);
fill_file($file_handle, $file_content_type, 1024);
} else {
create_files ( __DIR__, 1, $file_content_type, 0755, 1, "w", "ftruncate_variation", 3);
// fopen the file using the $file_modes
$file_handle = fopen($filename, $file_modes[$mode_counter]);
}
if (!$file_handle) {
echo "Error: failed to open file $filename!\n";
exit();
}
rewind($file_handle); // file pointer to 0
echo "-- Testing ftruncate(): truncate file to half of its current size --\n";
/* truncate it to half of its current size */
$new_size = filesize($filename)/2;
var_dump( filesize($filename) ); // current filesize
var_dump( ftell($file_handle) );
var_dump( ftruncate($file_handle, $new_size) ); // truncate it
var_dump( ftell($file_handle) );
var_dump( feof($file_handle) );
fclose($file_handle);
clearstatcache(); // clear previous size value in cache
var_dump( filesize($filename) ); // new file size = $new_size
// delete file
delete_file($filename);
}//end of inner for loop
}//end of outer foreach loop
echo "Done\n";
?>
--EXPECT--
*** Testing ftruncate() : usage variations ***
-- Testing ftruncate() with file having data of type numeric --
-- Testing ftruncate() with file opening using r mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using rb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using rt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using r+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using r+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using r+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using wb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using wt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using xb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using xt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using ab mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using at mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file having data of type text_with_new_line --
-- Testing ftruncate() with file opening using r mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using rb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using rt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(false)
int(0)
bool(false)
int(1024)
-- Testing ftruncate() with file opening using r+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using r+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using r+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using wb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using wt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using w+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using xb mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using xt mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using x+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using ab mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using at mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+ mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+b mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
-- Testing ftruncate() with file opening using a+t mode --
-- Testing ftruncate(): truncate file to half of its current size --
int(1024)
int(0)
bool(true)
int(0)
bool(false)
int(512)
Done
|
