Annotation of embedaddon/php/ext/standard/tests/file/007_variation4.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test fopen and fclose() functions - usage variations - "w+" mode
3: --FILE--
4: <?php
5: /*
6: fopen() function:
7: Prototype: resource fopen(string $filename, string $mode
8: [, bool $use_include_path [, resource $context]] );
9: Description: Opens file or URL.
10: */
11: /*
12: fclose() function:
13: Prototype: bool fclose ( resource $handle );
14: Description: Closes an open file pointer
15: */
16:
17: /* Test fopen() and fclose(): Opening the file in "w+" mode,
18: checking for the file creation, write & read operations,
19: checking for the file pointer position,
20: checking for the file truncation when trying to open an existing file in "w+" mode,
21: and fclose function
22: */
23: $file_path = dirname(__FILE__);
24: require($file_path."/file.inc");
25:
26: create_files($file_path, 1, "text_with_new_line", 0755, 20, "w", "007_variation", 4, "bytes");
27: $file = $file_path."/007_variation4.tmp";
28: $string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789";
29:
30: echo "*** Test fopen() & fclose() functions: with 'w+' mode ***\n";
31: $file_handle = fopen($file, "w+"); //opening the file "w+" mode
32: var_dump($file_handle); //Check for the content of handle
33: var_dump( get_resource_type($file_handle) ); //Check for the type of resource
34: var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the begining of the file
35: var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string
36: var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file
37: rewind($file_handle);
38: var_dump( fread($file_handle, 100) ); //Check for read operation; passes; expected: content of file
39: var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the end of the file
40: var_dump( fclose($file_handle) ); //Check for close operation on the file handle
41: var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation
42:
43: var_dump( filesize($file) ); //Check for size of existing data file before opening the file in "w+" mode again, expected: size of content
44: clearstatcache();
45: fclose( fopen($file, "w+") ); //Opening the existing data file again in "w+" mode
46: var_dump( filesize($file) ); //Check for size of existing data file after opening the file in "w+" mode again, expected: 0 bytes
47: clearstatcache();
48:
49: unlink($file); //Deleting the file
50: fclose( fopen($file, "w+") ); //Opening the non-existing file in "w+" mode, which will be created
51: var_dump( file_exists($file) ); //Check for the existance of file
52: echo "*** Done ***\n";
53: --CLEAN--
54: <?php
55: unlink(dirname(__FILE__)."/007_variation4.tmp");
56: ?>
57: --EXPECTF--
58: *** Test fopen() & fclose() functions: with 'w+' mode ***
59: resource(%d) of type (stream)
60: string(6) "stream"
61: int(0)
62: int(37)
63: int(37)
64: string(37) "abcdefghij
65: mnopqrst uvwxyz
66: 0123456789"
67: int(37)
68: bool(true)
69: string(7) "Unknown"
70: int(37)
71: int(0)
72: bool(true)
73: *** Done ***
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