1--TEST--
2Test readfile() function: error conditions
3--FILE--
4<?php
5/* Prototype: int readfile ( string $filename [, bool $use_include_path [, resource $context]] );
6   Description: Outputs a file
7*/
8
9$context = stream_context_create();
10
11echo "*** Test readfile(): error conditions ***\n";
12echo "-- Testing readfile() with unexpected no. of arguments --\n";
13var_dump( readfile() );  // args < expected
14var_dump( readfile(__FILE__, true, $context, 4) );  // args > expected
15
16echo "\n-- Testing readfile() with invalid arguments --\n";
17// invalid arguments
18var_dump( readfile(NULL) );  // NULL as $filename
19var_dump( readfile('') );  // empty string as $filename
20var_dump( readfile(false) );  // boolean false as $filename
21var_dump( readfile(__FILE__, false, '') );  // empty string as $context
22var_dump( readfile(__FILE__, true, false) );  // boolean false as $context
23
24echo "\n-- Testing readfile() with non-existent file --\n";
25$non_existent_file = dirname(__FILE__)."/non_existent_file.tmp";
26var_dump( readfile($non_existent_file) );
27
28echo "Done\n";
29?>
30--EXPECTF--
31*** Test readfile(): error conditions ***
32-- Testing readfile() with unexpected no. of arguments --
33
34Warning: readfile() expects at least 1 parameter, 0 given in %s on line %d
35bool(false)
36
37Warning: readfile() expects at most 3 parameters, 4 given in %s on line %d
38bool(false)
39
40-- Testing readfile() with invalid arguments --
41
42Warning: readfile(): Filename cannot be empty in %s on line %d
43bool(false)
44
45Warning: readfile(): Filename cannot be empty in %s on line %d
46bool(false)
47
48Warning: readfile(): Filename cannot be empty in %s on line %d
49bool(false)
50
51Warning: readfile() expects parameter 3 to be resource, string given in %s on line %d
52bool(false)
53
54Warning: readfile() expects parameter 3 to be resource, bool given in %s on line %d
55bool(false)
56
57-- Testing readfile() with non-existent file --
58
59Warning: readfile(%s/non_existent_file.tmp): failed to open stream: %s in %s on line %d
60bool(false)
61Done
62