1#!./perl
2
3BEGIN {
4	require Config;
5	if (($Config::Config{'extensions'} !~ /\bre\b/) ){
6        	print "1..0 # Skip -- Perl configured without re module\n";
7		exit 0;
8	}
9}
10
11use strict;
12
13my $re_taint_bit = 0x00100000;
14my $re_eval_bit = 0x00200000;
15
16use Test::More tests => 16;
17require_ok( 're' );
18
19# setcolor
20$INC{ 'Term/Cap.pm' } = 1;
21local $ENV{PERL_RE_TC};
22re::setcolor();
23is( $ENV{PERL_RE_COLORS}, "md\tme\tso\tse\tus\tue",
24	'setcolor() should provide default colors' );
25$ENV{PERL_RE_TC} = 'su,n,ny';
26re::setcolor();
27is( $ENV{PERL_RE_COLORS}, "su\tn\tny", '... or use $ENV{PERL_RE_COLORS}' );
28
29# bits
30# get on
31my $warn;
32local $SIG{__WARN__} = sub {
33	$warn = shift;
34};
35#eval { re::bits(1) };
36#like( $warn, qr/Useless use/, 'bits() should warn with no args' );
37
38delete $ENV{PERL_RE_COLORS};
39re::bits(0, 'debug');
40is( $ENV{PERL_RE_COLORS}, undef,
41	"... should not set regex colors given 'debug'" );
42re::bits(0, 'debugcolor');
43isnt( $ENV{PERL_RE_COLORS}, '',
44	"... should set regex colors given 'debugcolor'" );
45re::bits(0, 'nosuchsubpragma');
46like( $warn, qr/Unknown "re" subpragma/,
47	'... should warn about unknown subpragma' );
48ok( re::bits(0, 'taint') & $re_taint_bit, '... should set taint bits' );
49ok( re::bits(0, 'eval')  & $re_eval_bit, '... should set eval bits' );
50
51undef $warn;
52eval "use re qw(debug ALL)";
53like( $warn, qr/"Debug" not "debug"/, 'debug with debugging type should warn');
54
55local $^H;
56
57# import
58re->import('taint', 'eval');
59ok( $^H & $re_taint_bit, 'import should set taint bits in $^H when requested' );
60ok( $^H & $re_eval_bit, 'import should set eval bits in $^H when requested' );
61
62re->unimport('taint');
63ok( !( $^H & $re_taint_bit ), 'unimport should clear bits in $^H when requested' );
64re->unimport('eval');
65ok( !( $^H & $re_eval_bit ), '... and again' );
66my $reg=qr/(foo|bar|baz|blah)/;
67close STDERR;
68eval"use re Debug=>'ALL'";
69my $ok='foo'=~/$reg/;
70eval"no re Debug=>'ALL'";
71ok( $ok, 'No segv!' );
72
73my $message = "Don't tread on me";
74$_ = $message;
75re->import("/aa");
76is($_, $message, "re doesn't clobber \$_");
77
78package Term::Cap;
79
80sub Tgetent {
81	bless({}, $_[0]);
82}
83
84sub Tputs {
85	return $_[1];
86}
87
88package main;
89
90{
91  my $w;
92  local $SIG{__WARN__} = sub { warn shift; ++$w };
93  re->import();
94  is $w, undef, 'no warning for "use re;" (which is not useless)';
95}
96