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110 lines
3.6 KiB
PHP
110 lines
3.6 KiB
PHP
--TEST--
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Test filesize() function: usage variations - file mode & holes in file
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--SKIPIF--
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<?php
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if (substr(PHP_OS, 0, 3) != 'WIN') {
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die('skip only valid for Windows');
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}
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--FILE--
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<?php
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/*
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Prototype : int filesize ( string $filename );
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Description : Returns the size of the file in bytes, or FALSE
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(and generates an error of level E_WARNING) in case of an error.
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*/
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$file_path = dirname(__FILE__);
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require($file_path."/file.inc");
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echo "*** Testing filesize(): usage variations ***\n";
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echo "\n*** Testing filesize() with data written using different file modes and by creating holes in file ***\n";
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$filename = $file_path."/filesize_variation4.tmp";
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$string = "Test 2 test the filesize() fn, with data containing all the types like !@@##$%^&*():<>?|~+!;',.\][{}(special) chars, 12345(numeric) chars, and \n(newline char), \t(tab), \0, \r and so on........\0";
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echo "-- opening the file in 'w' mode and get the size --\n";
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$file_handle = fopen($filename, "w");
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var_dump( strlen($string) ); //strlen of the string
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fwrite($file_handle, $string);
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fclose($file_handle);
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var_dump( filesize($filename) ); //size of the file = strlen of string
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clearstatcache();
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echo "-- opening the file in 'wt' mode and get the size --\n";
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$file_handle = fopen($filename, "wt");
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var_dump( strlen($string) ); //strlen of the string = 191 bytes
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fwrite($file_handle, $string);
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fclose($file_handle);
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var_dump( filesize($filename) ); //size of the file = 192 bytes != strlen of string
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clearstatcache();
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echo "-- opening the file in 'a' mode, adding data and checking the file --\n";
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$file_handle = fopen($filename, "a");
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fwrite($file_handle, "Hello, world");
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fclose($file_handle);
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var_dump( filesize($filename) ); //204 bytes
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clearstatcache();
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echo "-- opening the file in 'at' mode, adding data and checking the file --\n";
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$file_handle = fopen($filename, "at");
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fwrite($file_handle, "Hello, world\n");
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fclose($file_handle);
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var_dump( filesize($filename) ); //218 bytes
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clearstatcache();
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echo "-- creating a hole and checking the size --\n";
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$file_handle = fopen($filename, "a");
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var_dump( ftruncate($file_handle, 220) ); //creating 4 bytes of hole
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fclose($file_handle);
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var_dump( filesize($filename) ); //220 bytes
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clearstatcache();
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echo "-- writing data after hole and checking the size --\n";
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$file_handle = fopen($filename, "a");
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fwrite($file_handle, "Hello\0"); //wrting 6 bytes of data
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fclose($file_handle);
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var_dump( filesize($filename) ); //226 bytes
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clearstatcache();
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echo "-- opening the existing file in write mode --\n";
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fclose( fopen($filename, "w") );
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var_dump( filesize($filename) ); //0 bytes
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clearstatcache();
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echo "-- with empty file --\n";
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$filename = dirname(__FILE__)."/filesize_variation4_empty.tmp";
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fclose( fopen($filename, "w") );
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var_dump( filesize($filename) ); //0 bytes
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echo "*** Done ***\n";
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?>
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--CLEAN--
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<?php
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$file_path = dirname(__FILE__);
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unlink($file_path."/filesize_variation4.tmp");
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unlink($file_path."/filesize_variation4_empty.tmp");
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?>
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--EXPECTF--
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*** Testing filesize(): usage variations ***
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*** Testing filesize() with data written using different file modes and by creating holes in file ***
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-- opening the file in 'w' mode and get the size --
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int(191)
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int(191)
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-- opening the file in 'wt' mode and get the size --
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int(191)
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int(192)
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-- opening the file in 'a' mode, adding data and checking the file --
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int(204)
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-- opening the file in 'at' mode, adding data and checking the file --
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int(218)
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-- creating a hole and checking the size --
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bool(true)
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int(220)
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-- writing data after hole and checking the size --
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int(226)
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-- opening the existing file in write mode --
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int(0)
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-- with empty file --
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int(0)
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*** Done ***
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