1--TEST--
2Testing unlink() function : error conditions
3--SKIPIF--
4<?php
5if (substr(PHP_OS, 0, 3) != 'WIN') {
6    die('skip.. only on Windows');
7}
8?>
9--FILE--
10<?php
11/* Prototype : bool unlink ( string $filename [, resource $context] );
12   Description : Deletes filename
13*/
14
15$file_path = __DIR__.DIRECTORY_SEPARATOR."unlinkErr私はガラスを食べられます";
16
17@mkdir($file_path);
18
19$filename = "$file_path/unlink_error.tmp";  // temp file name used here
20$fp = fopen($filename, "w");  // create file
21fclose($fp);
22
23// creating a context
24$context = stream_context_create();
25
26echo "*** Testing unlink() : error conditions ***\n";
27
28echo "-- Testing unlink() on unexpected no. of arguments --\n";
29// arg < expected
30var_dump( unlink() );
31// args > expected
32var_dump( unlink($filename, $context, true) );
33var_dump( file_exists($filename) ); // expected: true
34
35echo "\n-- Testing unlink() on invalid arguments --\n";
36// invalid arguments
37var_dump( unlink('') );  // $filename as empty string
38var_dump( file_exists('') );  // confirm file doesnt exist
39
40var_dump( unlink(NULL) );  // $filename as NULL
41var_dump( file_exists(NULL) );  // confirm file doesnt exist
42
43var_dump( unlink(false) );  // $filename as boolean false
44var_dump( file_exists(false) );  // confirm file doesnt exist
45
46var_dump( unlink($filename, '') );  // $context as empty string
47var_dump( unlink($filename, false) );  // $context as boolean false
48
49
50echo "\n-- Testing unlink() on non-existent file --\n";
51var_dump( unlink(__DIR__."/non_existent_file.tmp") );
52
53echo "\n-- Testing unlink() on directory --\n";
54// temp directory used here
55$dirname = "$file_path/unlink_error";
56// create temp dir
57mkdir($dirname);
58// unlinking directory
59var_dump( unlink($dirname) );  // expected: false as unlink() does not work on dir
60
61echo "Done\n";
62?>
63--CLEAN--
64<?php
65unlink(__DIR__."/unlinkErr私はガラスを食べられます/unlink_error.tmp");
66rmdir(__DIR__."/unlinkErr私はガラスを食べられます/unlink_error");
67rmdir(__DIR__."/unlinkErr私はガラスを食べられます");
68?>
69--EXPECTF--
70*** Testing unlink() : error conditions ***
71-- Testing unlink() on unexpected no. of arguments --
72
73Warning: unlink() expects at least 1 parameter, 0 given in %s on line %d
74bool(false)
75
76Warning: unlink() expects at most 2 parameters, 3 given in %s on line %d
77bool(false)
78bool(true)
79
80-- Testing unlink() on invalid arguments --
81
82Warning: unlink(): %s in %s on line %d
83bool(false)
84bool(false)
85
86Warning: unlink(): %s in %s on line %d
87bool(false)
88bool(false)
89
90Warning: unlink(): %s in %s on line %d
91bool(false)
92bool(false)
93
94Warning: unlink() expects parameter 2 to be resource, string given in %s on line %d
95bool(false)
96
97Warning: unlink() expects parameter 2 to be resource, bool given in %s on line %d
98bool(false)
99
100-- Testing unlink() on non-existent file --
101
102Warning: unlink(%s/non_existent_file.tmp): No such file or directory in %s on line %d
103bool(false)
104
105-- Testing unlink() on directory --
106
107Warning: unlink(%s/unlink_error): Is a directory in %s on line %d
108bool(false)
109Done
110