1--TEST--
2Test fgetc() function : usage variations - read when file pointer at EOF
3--FILE--
4<?php
5/*
6 Prototype: string fgetc ( resource $handle );
7 Description: Gets character from file pointer
8*/
9// include the header for common test function
10include ("file.inc");
11
12echo "*** Testing fgetc() : usage variations ***\n";
13echo "-- Testing fgetc() with file whose file pointer is pointing to EOF --\n";
14// create a file
15create_files(dirname(__FILE__), 1, "text_with_new_line", 0755, 1, "w", "fgetc_variation");
16
17$filename = dirname(__FILE__)."/fgetc_variation1.tmp";
18
19// loop to check the file opened in different read modes
20$file_modes = array("r", "rb", "rt", "r+", "r+b", "r+t");
21$loop_counter =0;
22for(; $loop_counter < count($file_modes); $loop_counter++) {
23  // print the hearder
24  echo "-- File opened in mode : $file_modes[$loop_counter] --\n";
25  // open the file
26  $file_handle = fopen ($filename, $file_modes[$loop_counter]);
27  if (!$file_handle) {
28    echo "Error: failed to open file $filename! \n";
29    exit();
30  }
31
32  // seek to end of the file and try fgetc()
33  var_dump( fseek($file_handle, 0, SEEK_END) ); // set file pointer to eof
34  var_dump( feof($file_handle) );  // expected false
35  var_dump( ftell($file_handle) );  // ensure that file pointer is at eof
36  var_dump( fgetc($file_handle) ); // try n read a char, none expected
37  var_dump( feof($file_handle) ); // ensure that file pointer is at eof
38  var_dump( ftell($file_handle) ); // file pointer position
39
40  // close the file handle
41  fclose($file_handle);
42}
43echo "Done\n";
44?>
45--CLEAN--
46<?php
47unlink( dirname(__FILE__)."/fgetc_variation1.tmp");
48?>
49--EXPECTF--
50*** Testing fgetc() : usage variations ***
51-- Testing fgetc() with file whose file pointer is pointing to EOF --
52-- File opened in mode : r --
53int(0)
54bool(false)
55int(1024)
56bool(false)
57bool(true)
58int(1024)
59-- File opened in mode : rb --
60int(0)
61bool(false)
62int(1024)
63bool(false)
64bool(true)
65int(1024)
66-- File opened in mode : rt --
67int(0)
68bool(false)
69int(1024)
70bool(false)
71bool(true)
72int(1024)
73-- File opened in mode : r+ --
74int(0)
75bool(false)
76int(1024)
77bool(false)
78bool(true)
79int(1024)
80-- File opened in mode : r+b --
81int(0)
82bool(false)
83int(1024)
84bool(false)
85bool(true)
86int(1024)
87-- File opened in mode : r+t --
88int(0)
89bool(false)
90int(1024)
91bool(false)
92bool(true)
93int(1024)
94Done
95