1--TEST--
2Test filesize() function: usage variations - file mode & holes in file
3--SKIPIF--
4<?php
5if (substr(PHP_OS, 0, 3) != 'WIN') {
6    die('skip only valid for Windows');
7}
8--FILE--
9<?php
10/*
11 Prototype   : int filesize ( string $filename );
12 Description : Returns the size of the file in bytes, or FALSE
13   (and generates an error of level E_WARNING) in case of an error.
14*/
15
16$file_path = dirname(__FILE__);
17require($file_path."/file.inc");
18
19echo "*** Testing filesize(): usage variations ***\n";
20echo "\n*** Testing filesize() with data written using different file modes and by creating holes in file ***\n";
21
22$filename = $file_path."/filesize_variation4.tmp";
23$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";
24echo "-- opening the file in 'w' mode and get the size --\n";
25$file_handle = fopen($filename, "w");
26var_dump( strlen($string) );  //strlen of the string
27fwrite($file_handle, $string);
28fclose($file_handle);
29var_dump( filesize($filename) );  //size of the file = strlen of string
30clearstatcache();
31
32echo "-- opening the file in 'wt' mode and get the size --\n";
33$file_handle = fopen($filename, "wt");
34var_dump( strlen($string) );  //strlen of the string = 191 bytes
35fwrite($file_handle, $string);
36fclose($file_handle);
37var_dump( filesize($filename) );  //size of the file = 192 bytes != strlen of string
38clearstatcache();
39
40echo "-- opening the file in 'a' mode, adding data and checking the file --\n";
41$file_handle = fopen($filename, "a");
42fwrite($file_handle, "Hello, world");
43fclose($file_handle);
44var_dump( filesize($filename) );  //204 bytes
45clearstatcache();
46
47echo "-- opening the file in 'at' mode, adding data and checking the file --\n";
48$file_handle = fopen($filename, "at");
49fwrite($file_handle, "Hello, world\n");
50fclose($file_handle);
51var_dump( filesize($filename) );  //218 bytes
52clearstatcache();
53
54echo "-- creating a hole and checking the size --\n";
55$file_handle = fopen($filename, "a");
56var_dump( ftruncate($file_handle, 220) );  //creating 4 bytes of hole
57fclose($file_handle);
58var_dump( filesize($filename) );  //220 bytes
59clearstatcache();
60
61echo "-- writing data after hole and checking the size --\n";
62$file_handle = fopen($filename, "a");
63fwrite($file_handle, "Hello\0");  //wrting 6 bytes of data
64fclose($file_handle);
65var_dump( filesize($filename) );  //226 bytes
66clearstatcache();
67
68echo "-- opening the existing file in write mode --\n";
69fclose( fopen($filename, "w") );
70var_dump( filesize($filename) );  //0 bytes
71clearstatcache();
72
73echo "-- with empty file --\n";
74$filename = dirname(__FILE__)."/filesize_variation4_empty.tmp";
75fclose( fopen($filename, "w") );
76var_dump( filesize($filename) );  //0 bytes
77
78echo "*** Done ***\n";
79?>
80--CLEAN--
81<?php
82$file_path = dirname(__FILE__);
83unlink($file_path."/filesize_variation4.tmp");
84unlink($file_path."/filesize_variation4_empty.tmp");
85?>
86--EXPECT--
87*** Testing filesize(): usage variations ***
88
89*** Testing filesize() with data written using different file modes and by creating holes in file ***
90-- opening the file in 'w' mode and get the size --
91int(191)
92int(191)
93-- opening the file in 'wt' mode and get the size --
94int(191)
95int(192)
96-- opening the file in 'a' mode, adding data and checking the file --
97int(204)
98-- opening the file in 'at' mode, adding data and checking the file --
99int(218)
100-- creating a hole and checking the size --
101bool(true)
102int(220)
103-- writing data after hole and checking the size --
104int(226)
105-- opening the existing file in write mode --
106int(0)
107-- with empty file --
108int(0)
109*** Done ***
110