1b39c5158Smillert#!/usr/bin/perl -w
2b39c5158Smillert
3*eac174f2Safresh1use strict;
4*eac174f2Safresh1use warnings;
5*eac174f2Safresh1
6b39c5158SmillertBEGIN {
7b39c5158Smillert    unshift @INC, 't/lib';
8b39c5158Smillert}
9b39c5158Smillertchdir 't';
10b39c5158Smillert
11b39c5158Smillertuse Test::More;
12b39c5158Smillertuse ExtUtils::MakeMaker;
13e9ce3842Safresh1use File::Temp qw[tempfile];
14b39c5158Smillert
15b39c5158Smillertmy $Has_Version = eval 'require version; "version"->import; 1';
16b39c5158Smillert
17e5157e49Safresh1# "undef" - means we expect "undef", undef - eval should be never called for this string
18b39c5158Smillertmy %versions = (q[$VERSION = '1.00']            => '1.00',
19b39c5158Smillert                q[*VERSION = \'1.01']           => '1.01',
2051a0b77bSmillert                q[($VERSION) = q$Revision: 32208 $ =~ /(\d+)/g;] => 32208,
21b39c5158Smillert                q[$FOO::VERSION = '1.10';]      => '1.10',
22b39c5158Smillert                q[*FOO::VERSION = \'1.11';]     => '1.11',
23b39c5158Smillert                '$VERSION = 0.02'               => 0.02,
24b39c5158Smillert                '$VERSION = 0.0'                => 0.0,
25*eac174f2Safresh1                '$VERSION = -1.0'               => 'undef',
26b39c5158Smillert                '$VERSION = undef'              => 'undef',
27e5157e49Safresh1                '$wibble  = 1.0'                => undef,
28b39c5158Smillert                q[my $VERSION = '1.01']         => 'undef',
299f11ffb7Safresh1                q[local $VERSION = '1.02']      => 'undef',
30b39c5158Smillert                q[local $FOO::VERSION = '1.30'] => 'undef',
31*eac174f2Safresh1                q[if( $Foo::VERSION >= 3.00 ) {]=> undef,
32b39c5158Smillert                q[our $VERSION = '1.23';]       => '1.23',
33e5157e49Safresh1                q[$CGI::VERSION='3.63']         => '3.63',
34e5157e49Safresh1                q[$VERSION = "1.627"; # ==> ALSO update the version in the pod text below!] => '1.627',
35b8851fccSafresh1                q[BEGIN { our $VERSION = '1.23' }]       => '1.23',
36b39c5158Smillert
37e5157e49Safresh1                '$Something::VERSION == 1.0'    => undef,
38e5157e49Safresh1                '$Something::VERSION <= 1.0'    => undef,
39e5157e49Safresh1                '$Something::VERSION >= 1.0'    => undef,
40e5157e49Safresh1                '$Something::VERSION != 1.0'    => undef,
41e5157e49Safresh1                'my $meta_coder = ($JSON::XS::VERSION >= 1.4) ?' => undef,
42b39c5158Smillert
43b39c5158Smillert                qq[\$Something::VERSION == 1.0\n\$VERSION = 2.3\n]                     => '2.3',
44b39c5158Smillert                qq[\$Something::VERSION == 1.0\n\$VERSION = 2.3\n\$VERSION = 4.5\n]    => '2.3',
45b39c5158Smillert
4651a0b77bSmillert                '$VERSION = sprintf("%d.%03d", q$Revision: 3.74 $ =~ /(\d+)\.(\d+)/);' => '3.074',
4751a0b77bSmillert                '$VERSION = substr(q$Revision: 2.8 $, 10) + 2 . "";'                   => '4.8',
48e5157e49Safresh1                q[our $VERSION = do { my @r = ( q$Revision: 2.7 $ =~ /\d+/g ); sprintf "%d." . "%02d" x $#r, @r };] => '2.07', # Fucking seriously?
49e5157e49Safresh1                'elsif ( $Something::VERSION >= 1.99 )' => undef,
50b39c5158Smillert               );
51b39c5158Smillert
52b39c5158Smillertif( $Has_Version ) {
53b39c5158Smillert    $versions{q[use version; $VERSION = qv("1.2.3");]} = qv("1.2.3");
54b39c5158Smillert    $versions{q[$VERSION = qv("1.2.3")]}               = qv("1.2.3");
55e5157e49Safresh1    $versions{q[$VERSION = v1.2.3]} = 'v1.2.3';
56b39c5158Smillert}
57b39c5158Smillert
5856d68f1eSafresh1if( "$]" >= 5.011001 ) {
59b39c5158Smillert    $versions{'package Foo 1.23;'         } = '1.23';
60b39c5158Smillert    $versions{'package Foo::Bar 1.23;'    } = '1.23';
61b39c5158Smillert    $versions{'package Foo v1.2.3;'       } = 'v1.2.3';
62b39c5158Smillert    $versions{'package Foo::Bar v1.2.3;'  } = 'v1.2.3';
63b39c5158Smillert    $versions{' package Foo::Bar 1.23 ;'  } = '1.23';
64b39c5158Smillert    $versions{"package Foo'Bar 1.23;"     } = '1.23';
65b39c5158Smillert    $versions{'package Foo 1.230;'        } = '1.230';
66*eac174f2Safresh1    $versions{q["package Foo 1.23"]}        = undef;
67*eac174f2Safresh1    $versions{q[our $VERSION = "1.00 / the fucking fuck";]} = 'undef';
68b39c5158Smillert    $versions{<<'END'}                      = '1.23';
69b39c5158Smillertpackage Foo 1.23;
70b39c5158Smillertour $VERSION = 2.34;
71b39c5158SmillertEND
72b39c5158Smillert
73b39c5158Smillert    $versions{<<'END'}                      = '2.34';
74b39c5158Smillertour $VERSION = 2.34;
75b39c5158Smillertpackage Foo 1.23;
76b39c5158SmillertEND
77b39c5158Smillert
78b39c5158Smillert    $versions{<<'END'}                      = '2.34';
79b39c5158Smillertpackage Foo::100;
80b39c5158Smillertour $VERSION = 2.34;
81b39c5158SmillertEND
82b39c5158Smillert}
83b39c5158Smillert
8456d68f1eSafresh1if( "$]" >= 5.014 ) {
859f11ffb7Safresh1    $versions{'package Foo 1.23 { }'         } = '1.23';
869f11ffb7Safresh1    $versions{'package Foo::Bar 1.23 { }'    } = '1.23';
879f11ffb7Safresh1    $versions{'package Foo v1.2.3 { }'       } = 'v1.2.3';
889f11ffb7Safresh1    $versions{'package Foo::Bar v1.2.3 { }'  } = 'v1.2.3';
899f11ffb7Safresh1    $versions{' package Foo::Bar 1.23 { }'   } = '1.23';
909f11ffb7Safresh1    $versions{"package Foo'Bar 1.23 { }"     } = '1.23';
919f11ffb7Safresh1    $versions{'package Foo 1.230 { }'        } = '1.230';
929f11ffb7Safresh1    $versions{<<'END'}                      = '1.23';
939f11ffb7Safresh1package Foo 1.23 {
949f11ffb7Safresh1our $VERSION = 2.34;
959f11ffb7Safresh1}
969f11ffb7Safresh1END
979f11ffb7Safresh1
989f11ffb7Safresh1    $versions{<<'END'}                      = '2.34';
999f11ffb7Safresh1our $VERSION = 2.34;
1009f11ffb7Safresh1package Foo 1.23 { }
1019f11ffb7Safresh1END
1029f11ffb7Safresh1
1039f11ffb7Safresh1    $versions{<<'END'}                      = '2.34';
1049f11ffb7Safresh1package Foo::100 {
1059f11ffb7Safresh1our $VERSION = 2.34;
1069f11ffb7Safresh1}
1079f11ffb7Safresh1END
1089f11ffb7Safresh1}
1099f11ffb7Safresh1
11056d68f1eSafresh1if ( "$]" < 5.012 ) {
111e5157e49Safresh1  delete $versions{'$VERSION = -1.0'};
112e5157e49Safresh1}
113e5157e49Safresh1
114e5157e49Safresh1plan tests => (3 * keys %versions) + 4 + grep { !defined} (values %versions);
115b39c5158Smillert
116b39c5158Smillertfor my $code ( sort keys %versions ) {
117b39c5158Smillert    my $expect = $versions{$code};
118b39c5158Smillert    (my $label = $code) =~ s/\n/\\n/g;
11948950c12Ssthen    my $warnings = "";
12048950c12Ssthen    local $SIG{__WARN__} = sub { $warnings .= "@_\n"; };
121e5157e49Safresh1	if (defined $expect) {
122b39c5158Smillert		is( parse_version_string($code), $expect, $label );
123e5157e49Safresh1	} else {
124e5157e49Safresh1		my $is_called = 0;
125e5157e49Safresh1		no warnings qw[redefine once];
126e5157e49Safresh1		local *MM::get_version = sub {
127e5157e49Safresh1			$is_called = 1;
128e5157e49Safresh1		};
129e5157e49Safresh1		ok !$is_called;
130e5157e49Safresh1		is( parse_version_string($code), 'undef', $label );
131e5157e49Safresh1	}
13248950c12Ssthen    is($warnings, '', "$label does not cause warnings");
133b39c5158Smillert}
134b39c5158Smillert
135b39c5158Smillert
136b39c5158Smillertsub parse_version_string {
137b39c5158Smillert    my $code = shift;
138b39c5158Smillert
139e9ce3842Safresh1    my ($fh,$file) = tempfile( DIR => '.', UNLINK => 1 );
140e9ce3842Safresh1    print $fh "$code\n";
141e9ce3842Safresh1    close $fh;
142b39c5158Smillert
143b39c5158Smillert    $_ = 'foo';
144e9ce3842Safresh1    my $version = MM->parse_version( $file );
145b39c5158Smillert    is( $_, 'foo', '$_ not leaked by parse_version' );
146b39c5158Smillert
147b39c5158Smillert    return $version;
148b39c5158Smillert}
149b39c5158Smillert
150b39c5158Smillert
151b39c5158Smillert# This is a specific test to see if a version subroutine in the $VERSION
152b39c5158Smillert# declaration confuses later calls to the version class.
153b39c5158Smillert# [rt.cpan.org 30747]
154b39c5158SmillertSKIP: {
155b39c5158Smillert    skip "need version.pm", 4 unless $Has_Version;
156b39c5158Smillert    is parse_version_string(q[ $VERSION = '1.00'; sub version { $VERSION } ]),
157b39c5158Smillert       '1.00', "eval 'sub version {...} in version string";
158b39c5158Smillert    is parse_version_string(q[ use version; $VERSION = version->new("1.2.3") ]),
159b39c5158Smillert       qv("1.2.3"), "version.pm not confused by version sub";
160b39c5158Smillert}
161