1--TEST--
2Test function posix_ttyname() by substituting argument 1 with emptyUnsetUndefNull values.
3--CREDITS--
4Marco Fabbri mrfabbri@gmail.com
5Francesco Fullone ff@ideato.it
6#PHPTestFest Cesena Italia on 2009-06-20
7--SKIPIF--
8<?php
9if (!extension_loaded('posix')) {
10    die('SKIP The posix extension is not loaded.');
11}
12?>
13--FILE--
14<?php
15
16
17echo "*** Test substituting argument 1 with emptyUnsetUndefNull values ***\n";
18
19
20
21$unset_var = 10;
22unset($unset_var);
23
24$variation_array = array(
25  'unset var' => @$unset_var,
26  'undefined var' => @$undefined_var,
27  'empty string DQ' => "",
28  'empty string SQ' => '',
29  'uppercase NULL' => NULL,
30  'lowercase null' => null,
31  );
32
33
34foreach ( $variation_array as $var ) {
35  var_dump(posix_ttyname( $var  ) );
36}
37?>
38--EXPECTF--
39*** Test substituting argument 1 with emptyUnsetUndefNull values ***
40bool(false)
41bool(false)
42bool(false)
43bool(false)
44bool(false)
45bool(false)
46