summaryrefslogtreecommitdiff
path: root/lib/version.t
blob: a839d5d6c3708ae2a8f0163661e7de7f6caeb036 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
#! /usr/local/perl -w
# Before `make install' is performed this script should be runnable with
# `make test'. After `make install' it should work as `perl test.pl'

#########################

use Test::More qw(no_plan);
use Data::Dumper;
require Test::Harness;
no warnings 'once';
*Verbose = \$Test::Harness::Verbose;

diag "Tests with base class" unless $ENV{PERL_CORE};

BEGIN {
    use_ok("version", 0.50); # If we made it this far, we are ok.
}

BaseTests("version");

diag "Tests with empty derived class" unless $ENV{PERL_CORE};

package version::Empty;
use base version;
$VERSION = 0.01;
no warnings 'redefine';
*::qv = sub { return bless version::qv(shift), __PACKAGE__; };

package version::Bad;
use base version;
sub new { my($self,$n)=@_;  bless \$n, $self }

package main;
my $testobj = version::Empty->new(1.002_003);
isa_ok( $testobj, "version::Empty" );
ok( $testobj->numify == 1.002003, "Numified correctly" );
ok( $testobj->stringify eq "1.002003", "Stringified correctly" );
ok( $testobj->normal eq "v1.2.3", "Normalified correctly" );

my $verobj = version->new("1.2.4");
ok( $verobj > $testobj, "Comparison vs parent class" );
ok( $verobj gt $testobj, "Comparison vs parent class" );
BaseTests("version::Empty");

diag "tests with bad subclass" unless $ENV{PERL_CORE};
$testobj = version::Bad->new(1.002_003);
isa_ok( $testobj, "version::Bad" );
eval { my $string = $testobj->numify };
like($@, qr/Invalid version object/,
    "Bad subclass numify");
eval { my $string = $testobj->normal };
like($@, qr/Invalid version object/,
    "Bad subclass normal");
eval { my $string = $testobj->stringify };
like($@, qr/Invalid version object/,
    "Bad subclass stringify");
eval { my $test = $testobj > 1.0 };
like($@, qr/Invalid version object/,
    "Bad subclass vcmp");

# dummy up a redundant call to satify David Wheeler
local $SIG{__WARN__} = sub { die $_[0] };
eval 'use version;';
unlike ($@, qr/^Subroutine main::qv redefined/,
    "Only export qv once per package (to prevent redefined warnings)."); 

sub BaseTests {

    my ($CLASS, $no_qv) = @_;
    
    # Insert your test code below, the Test module is use()ed here so read
    # its man page ( perldoc Test ) for help writing this test script.
    
    # Test bare number processing
    diag "tests with bare numbers" if $Verbose;
    $version = $CLASS->new(5.005_03);
    is ( "$version" , "5.00503" , '5.005_03 eq 5.00503' );
    $version = $CLASS->new(1.23);
    is ( "$version" , "1.23" , '1.23 eq "1.23"' );
    
    # Test quoted number processing
    diag "tests with quoted numbers" if $Verbose;
    $version = $CLASS->new("5.005_03");
    is ( "$version" , "5.005_03" , '"5.005_03" eq "5.005_03"' );
    $version = $CLASS->new("v1.23");
    is ( "$version" , "v1.23" , '"v1.23" eq "v1.23"' );
    
    # Test stringify operator
    diag "tests with stringify" if $Verbose;
    $version = $CLASS->new("5.005");
    is ( "$version" , "5.005" , '5.005 eq "5.005"' );
    $version = $CLASS->new("5.006.001");
    is ( "$version" , "5.006.001" , '5.006.001 eq v5.6.1' );
    $version = $CLASS->new("1.2.3_4");
    is ( "$version" , "1.2.3_4" , 'alpha version 1.2.3_4 eq v1.2.3_4' );
    
    # test illegal formats
    diag "test illegal formats" if $Verbose;
    eval {my $version = $CLASS->new("1.2_3_4")};
    like($@, qr/multiple underscores/,
	"Invalid version format (multiple underscores)");
    
    eval {my $version = $CLASS->new("1.2_3.4")};
    like($@, qr/underscores before decimal/,
	"Invalid version format (underscores before decimal)");
    
    eval {my $version = $CLASS->new("1_2")};
    like($@, qr/alpha without decimal/,
	"Invalid version format (alpha without decimal)");
    
    # for this first test, just upgrade the warn() to die()
    eval {
	local $SIG{__WARN__} = sub { die $_[0] };
	$version = $CLASS->new("1.2b3");
    };
    my $warnregex = "Version string '.+' contains invalid data; ".
	    "ignoring: '.+'";

    like($@, qr/$warnregex/,
	"Version string contains invalid data; ignoring");

    # from here on out capture the warning and test independently
    {
    my $warning;
    local $SIG{__WARN__} = sub { $warning = $_[0] };
    $version = $CLASS->new("99 and 44/100 pure");

    like($warning, qr/$warnregex/,
	"Version string contains invalid data; ignoring");
    is ("$version", "99", '$version eq "99"');
    ok ($version->numify == 99.0, '$version->numify == 99.0');
    ok ($version->normal eq "v99.0.0", '$version->normal eq v99.0.0');
    
    $version = $CLASS->new("something");
    like($warning, qr/$warnregex/,
	"Version string contains invalid data; ignoring");
    ok (defined $version, 'defined $version');
    
    # reset the test object to something reasonable
    $version = $CLASS->new("1.2.3");
    
    # Test boolean operator
    ok ($version, 'boolean');
    
    # Test class membership
    isa_ok ( $version, $CLASS );
    
    # Test comparison operators with self
    diag "tests with self" if $Verbose;
    is ( $version <=> $version, 0, '$version <=> $version == 0' );
    ok ( $version == $version, '$version == $version' );
    
    # Test Numeric Comparison operators
    # test first with non-object
    $version = $CLASS->new("5.006.001");
    $new_version = "5.8.0";
    diag "numeric tests with non-objects" if $Verbose;
    ok ( $version == $version, '$version == $version' );
    ok ( $version < $new_version, '$version < $new_version' );
    ok ( $new_version > $version, '$new_version > $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    # now test with existing object
    $new_version = $CLASS->new($new_version);
    diag "numeric tests with objects" if $Verbose;
    ok ( $version < $new_version, '$version < $new_version' );
    ok ( $new_version > $version, '$new_version > $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    # now test with actual numbers
    diag "numeric tests with numbers" if $Verbose;
    ok ( $version->numify() == 5.006001, '$version->numify() == 5.006001' );
    ok ( $version->numify() <= 5.006001, '$version->numify() <= 5.006001' );
    ok ( $version->numify() < 5.008, '$version->numify() < 5.008' );
    #ok ( $version->numify() > v5.005_02, '$version->numify() > 5.005_02' );
    
    # test with long decimals
    diag "Tests with extended decimal versions" if $Verbose;
    $version = $CLASS->new(1.002003);
    ok ( $version == "1.2.3", '$version == "1.2.3"');
    ok ( $version->numify == 1.002003, '$version->numify == 1.002003');
    $version = $CLASS->new("2002.09.30.1");
    ok ( $version == "2002.9.30.1",'$version == 2002.9.30.1');
    ok ( $version->numify == 2002.009030001,
	'$version->numify == 2002.009030001');
    
    # now test with alpha version form with string
    $version = $CLASS->new("1.2.3");
    $new_version = "1.2.3_4";
    diag "numeric tests with alpha-style non-objects" if $Verbose;
    ok ( $version < $new_version, '$version < $new_version' );
    ok ( $new_version > $version, '$new_version > $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    $version = $CLASS->new("1.2.4");
    diag "numeric tests with alpha-style non-objects"
	if $Verbose;
    ok ( $version > $new_version, '$version > $new_version' );
    ok ( $new_version < $version, '$new_version < $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    # now test with alpha version form with object
    $version = $CLASS->new("1.2.3");
    $new_version = $CLASS->new("1.2.3_4");
    diag "tests with alpha-style objects" if $Verbose;
    ok ( $version < $new_version, '$version < $new_version' );
    ok ( $new_version > $version, '$new_version > $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    ok ( !$version->is_alpha, '!$version->is_alpha');
    ok ( $new_version->is_alpha, '$new_version->is_alpha');
    
    $version = $CLASS->new("1.2.4");
    diag "tests with alpha-style objects" if $Verbose;
    ok ( $version > $new_version, '$version > $new_version' );
    ok ( $new_version < $version, '$new_version < $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    $version = $CLASS->new("1.2.3.4");
    $new_version = $CLASS->new("1.2.3_4");
    diag "tests with alpha-style objects with same subversion"
	if $Verbose;
    ok ( $version > $new_version, '$version > $new_version' );
    ok ( $new_version < $version, '$new_version < $version' );
    ok ( $version != $new_version, '$version != $new_version' );
    
    diag "test implicit [in]equality" if $Verbose;
    $version = $CLASS->new("v1.2.3");
    $new_version = $CLASS->new("1.2.3.0");
    ok ( $version == $new_version, '$version == $new_version' );
    $new_version = $CLASS->new("1.2.3_0");
    ok ( $version == $new_version, '$version == $new_version' );
    $new_version = $CLASS->new("1.2.3.1");
    ok ( $version < $new_version, '$version < $new_version' );
    $new_version = $CLASS->new("1.2.3_1");
    ok ( $version < $new_version, '$version < $new_version' );
    $new_version = $CLASS->new("1.1.999");
    ok ( $version > $new_version, '$version > $new_version' );
    
    # that which is not expressly permitted is forbidden
    diag "forbidden operations" if $Verbose;
    ok ( !eval { ++$version }, "noop ++" );
    ok ( !eval { --$version }, "noop --" );
    ok ( !eval { $version/1 }, "noop /" );
    ok ( !eval { $version*3 }, "noop *" );
    ok ( !eval { abs($version) }, "noop abs" );

SKIP: {
    skip "version require'd instead of use'd, cannot test qv", 3
    	if defined $no_qv;
    # test the qv() sub
    diag "testing qv" if $Verbose;
    $version = qv("1.2");
    is ( "$version", "v1.2", 'qv("1.2") == "1.2.0"' );
    $version = qv(1.2);
    is ( "$version", "v1.2", 'qv(1.2) == "1.2.0"' );
    isa_ok( qv('5.008'), $CLASS );
}

    # test creation from existing version object
    diag "create new from existing version" if $Verbose;
    ok (eval {$new_version = $CLASS->new($version)},
	    "new from existing object");
    ok ($new_version == $version, "class->new($version) identical");
    $new_version = $version->new();
    isa_ok ($new_version, $CLASS );
    is ($new_version, "0", "version->new() doesn't clone");
    $new_version = $version->new("1.2.3");
    is ($new_version, "1.2.3" , '$version->new("1.2.3") works too');

    # test the CVS revision mode
    diag "testing CVS Revision" if $Verbose;
    $version = new $CLASS qw$Revision: 1.2$;
    ok ( $version == "1.2.0", 'qw$Revision: 1.2$ == 1.2.0' );
    $version = new $CLASS qw$Revision: 1.2.3.4$;
    ok ( $version == "1.2.3.4", 'qw$Revision: 1.2.3.4$ == 1.2.3.4' );
    
    # test the CPAN style reduced significant digit form
    diag "testing CPAN-style versions" if $Verbose;
    $version = $CLASS->new("1.23_01");
    is ( "$version" , "1.23_01", "CPAN-style alpha version" );
    ok ( $version > 1.23, "1.23_01 > 1.23");
    ok ( $version < 1.24, "1.23_01 < 1.24");

    # test reformed UNIVERSAL::VERSION
    diag "Replacement UNIVERSAL::VERSION tests" if $Verbose;

    my $error_regex = $] < 5.006
	? 'version \d required'
	: 'does not define \$...::VERSION';
    
    {
	open F, ">aaa.pm" or die "Cannot open aaa.pm: $!\n";
	print F "package aaa;\n\$aaa::VERSION=0.58;\n1;\n";
	close F;

	$version = 0.58;
	eval "use lib '.'; use aaa $version";
	unlike($@, qr/aaa version $version/,
		'Replacement eval works with exact version');
	
	# test as class method
	$new_version = "aaa"->VERSION;
	cmp_ok($new_version,'==',$version, "Called as class method");

	eval "print Completely::Unknown::Module->VERSION";
	if ( $] < 5.008 ) {
	    unlike($@, qr/$error_regex/,
		"Don't freak if the module doesn't even exist");
	}
	else {
	    unlike($@, qr/defines neither package nor VERSION/,
		"Don't freak if the module doesn't even exist");
	}

	# this should fail even with old UNIVERSAL::VERSION
	$version += 0.01;
	eval "use lib '.'; use aaa $version";
	like($@, qr/aaa version $version/,
		'Replacement eval works with incremented version');
	
	$version =~ s/0+$//; #convert to string and remove trailing 0's
	chop($version);	# shorten by 1 digit, should still succeed
	eval "use lib '.'; use aaa $version";
	unlike($@, qr/aaa version $version/,
		'Replacement eval works with single digit');
	
	# this would fail with old UNIVERSAL::VERSION
	$version += 0.1;
	eval "use lib '.'; use aaa $version";
	like($@, qr/aaa version $version/,
		'Replacement eval works with incremented digit');
	unlink 'aaa.pm';
    }

    { # dummy up some variously broken modules for testing
	open F, ">xxx.pm" or die "Cannot open xxx.pm: $!\n";
	print F "1;\n";
	close F;

	eval "use lib '.'; use xxx 3;";
	if ( $] < 5.008 ) {
	    like($@, qr/$error_regex/,
		'Replacement handles modules without package or VERSION'); 
	}
	else {
	    like($@, qr/defines neither package nor VERSION/,
		'Replacement handles modules without package or VERSION'); 
	}
	eval "use lib '.'; use xxx; \$version = xxx->VERSION";
	unlike ($@, qr/$error_regex/,
	    'Replacement handles modules without package or VERSION'); 
	ok (!defined($version), "Called as class method");
	unlink 'xxx.pm';
    }
    
    { # dummy up some variously broken modules for testing
	open F, ">yyy.pm" or die "Cannot open yyy.pm: $!\n";
	print F "package yyy;\n#look ma no VERSION\n1;\n";
	close F;
	eval "use lib '.'; use yyy 3;";
	like ($@, qr/$error_regex/,
	    'Replacement handles modules without VERSION'); 
	eval "use lib '.'; use yyy; print yyy->VERSION";
	unlike ($@, qr/$error_regex/,
	    'Replacement handles modules without VERSION'); 
	unlink 'yyy.pm';
    }

    { # dummy up some variously broken modules for testing
	open F, ">zzz.pm" or die "Cannot open zzz.pm: $!\n";
	print F "package zzz;\n\@VERSION = ();\n1;\n";
	close F;
	eval "use lib '.'; use zzz 3;";
	like ($@, qr/$error_regex/,
	    'Replacement handles modules without VERSION'); 
	eval "use lib '.'; use zzz; print zzz->VERSION";
	unlike ($@, qr/$error_regex/,
	    'Replacement handles modules without VERSION'); 
	unlink 'zzz.pm';
    }

SKIP: 	{
	skip 'Cannot test bare v-strings with Perl < 5.6.0', 4
		if $] < 5.006_000; 
	diag "Tests with v-strings" if $Verbose;
	$version = $CLASS->new(1.2.3);
	ok("$version" == "v1.2.3", '"$version" == 1.2.3');
	$version = $CLASS->new(1.0.0);
	$new_version = $CLASS->new(1);
	ok($version == $new_version, '$version == $new_version');
	skip "version require'd instead of use'd, cannot test qv", 1
	    if defined $no_qv;
	$version = qv(1.2.3);
	ok("$version" == "v1.2.3", 'v-string initialized qv()');
    }

    diag "Tests with real-world (malformed) data" if $Verbose;

    # trailing zero testing (reported by Andreas Koenig).
    $version = $CLASS->new("1");
    ok($version->numify eq "1.000", "trailing zeros preserved");
    $version = $CLASS->new("1.0");
    ok($version->numify eq "1.000", "trailing zeros preserved");
    $version = $CLASS->new("1.0.0");
    ok($version->numify eq "1.000000", "trailing zeros preserved");
    $version = $CLASS->new("1.0.0.0");
    ok($version->numify eq "1.000000000", "trailing zeros preserved");
    
    # leading zero testing (reported by Andreas Koenig).
    $version = $CLASS->new(".7");
    ok($version->numify eq "0.700", "leading zero inferred");

    # leading space testing (reported by Andreas Koenig).
    $version = $CLASS->new(" 1.7");
    ok($version->numify eq "1.700", "leading space ignored");

    # RT 19517 - deal with undef and 'undef' initialization
    ok("$version" ne 'undef', "Undef version comparison #1");
    ok("$version" ne undef, "Undef version comparison #2");
    $version = $CLASS->new('undef');
    unlike($warning, qr/^Version string 'undef' contains invalid data/,
	"Version string 'undef'");

    $version = $CLASS->new(undef);
    like($warning, qr/^Use of uninitialized value/,
	"Version string 'undef'");
    ok($version == 'undef', "Undef version comparison #3");
    ok($version ==  undef,  "Undef version comparison #4");
    eval "\$version = \$CLASS->new()"; # no parameter at all
    unlike($@, qr/^Bizarre copy of CODE/, "No initializer at all");
    ok($version == 'undef', "Undef version comparison #5");
    ok($version ==  undef,  "Undef version comparison #6");

    $version = $CLASS->new(0.000001);
    unlike($warning, qr/^Version string '1e-06' contains invalid data/,
    	"Very small version objects");
    }

SKIP: {
	# dummy up a legal module for testing RT#19017
	open F, ">www.pm" or die "Cannot open www.pm: $!\n";
	print F <<"EOF";
package www;
use version; \$VERSION = qv('0.0.4');
1;
EOF
	close F;

	eval "use lib '.'; use www 0.000008;";
	like ($@, qr/^www version 0.000008 required/,
	    "Make sure very small versions don't freak"); 
	eval "use lib '.'; use www 1;";
	like ($@, qr/^www version 1 required/,
	    "Comparing vs. version with no decimal"); 
	eval "use lib '.'; use www 1.;";
	like ($@, qr/^www version 1 required/,
	    "Comparing vs. version with decimal only"); 

	if ( $] < 5.006_000 ) {
	    unlink 'www.pm';
	    skip 'Cannot "use" extended versions with Perl < 5.6.0', 3; 
	}
	eval "use lib '.'; use www v0.0.8;";
	my $regex = "^www version v0.0.8 required";
	like ($@, qr/$regex/, "Make sure very small versions don't freak"); 

	$regex =~ s/8/4/; # set for second test
	eval "use lib '.'; use www v0.0.4;";
	unlike($@, qr/$regex/, 'Succeed - required == VERSION');
	cmp_ok ( "www"->VERSION, 'eq', '0.0.4', 'No undef warnings' );

	unlink 'www.pm';
    }

    open F, ">vvv.pm" or die "Cannot open vvv.pm: $!\n";
    print F <<"EOF";
package vvv;
use base qw(version);
1;
EOF
    close F;
    # need to eliminate any other qv()'s
    undef *main::qv;
    ok(!defined(&{"main\::qv"}), "make sure we cleared qv() properly");
    eval "use lib '.'; use vvv;";
    ok(defined(&{"main\::qv"}), "make sure we exported qv() properly");
    isa_ok( qv(1.2), "vvv");
    unlink 'vvv.pm';

SKIP: {
	if ( $] < 5.006_000 ) {
	    skip 'Cannot "use" extended versions with Perl < 5.6.0', 3; 
	}
	open F, ">uuu.pm" or die "Cannot open uuu.pm: $!\n";
	print F <<"EOF";
package uuu;
\$VERSION = 1.0;
1;
EOF
	close F;
	eval "use lib '.'; use uuu 1.001;";
	like ($@, qr/^uuu version 1.001 required/,
	    "User typed numeric so we error with numeric"); 
	eval "use lib '.'; use uuu v1.1.0;";
	like ($@, qr/^uuu version v1.1.0 required/,
	    "User typed extended so we error with extended"); 
	unlink 'uuu.pm';
    }

SKIP: {
	# test locale handling
	my $warning;
	local $SIG{__WARN__} = sub { $warning = $_[0] };
	my $ver = 1.23;  # has to be floating point number
	my $loc;
	while (<DATA>) {
	    chomp;
	    $loc = POSIX::setlocale( &POSIX::LC_ALL, $_);
	    last if POSIX::localeconv()->{decimal_point} eq ',';
	}
	skip 'Cannot test locale handling without a comma locale', 4
	    unless ( $loc and ($ver eq '1,23') );

	diag ("Testing locale handling with $loc") if $Verbose;

	my $v = $CLASS->new($ver);
	unlike($warning,qr/Version string '1,23' contains invalid data/,
	    "Process locale-dependent floating point");
	is ($v, "1.23", "Locale doesn't apply to version objects");
	ok ($v == $ver, "Comparison to locale floating point");
    }

    eval 'my $v = $CLASS->new("1._1");';
    unlike($@, qr/^Invalid version format \(alpha with zero width\)/,
    	"Invalid version format 1._1");

    {
	my $warning;
	local $SIG{__WARN__} = sub { $warning = $_[0] };
	eval 'my $v = $CLASS->new(~0);';
	unlike($@, qr/Integer overflow in version/, "Too large version");
	like($warning, qr/Integer overflow in version/, "Too large version");
    }

    {
	# http://rt.cpan.org/Public/Bug/Display.html?id=30004
	my $v1 = $CLASS->new("v0.1_1");
	(my $alpha1 = Dumper($v1)) =~ s/.+'alpha' => ([^,]+),.+/$1/ms;
	my $v2 = $CLASS->new($v1);
	(my $alpha2 = Dumper($v2)) =~ s/.+'alpha' => ([^,]+),.+/$1/ms;
	is $alpha2, $alpha1, "Don't fall for Data::Dumper's tricks";
    }


}

1;

__DATA__
af_ZA
af_ZA.utf8
an_ES
an_ES.utf8
az_AZ.utf8
be_BY
be_BY.utf8
bg_BG
bg_BG.utf8
br_FR
br_FR@euro
br_FR.utf8
bs_BA
bs_BA.utf8
ca_ES
ca_ES@euro
ca_ES.utf8
cs_CZ
cs_CZ.utf8
da_DK
da_DK.utf8
de_AT
de_AT@euro
de_AT.utf8
de_BE
de_BE@euro
de_BE.utf8
de_DE
de_DE@euro
de_DE.utf8
de_LU
de_LU@euro
de_LU.utf8
el_GR
el_GR.utf8
en_DK
en_DK.utf8
es_AR
es_AR.utf8
es_BO
es_BO.utf8
es_CL
es_CL.utf8
es_CO
es_CO.utf8
es_EC
es_EC.utf8
es_ES
es_ES@euro
es_ES.utf8
es_PY
es_PY.utf8
es_UY
es_UY.utf8
es_VE
es_VE.utf8
et_EE
et_EE.iso885915
et_EE.utf8
eu_ES
eu_ES@euro
eu_ES.utf8
fi_FI
fi_FI@euro
fi_FI.utf8
fo_FO
fo_FO.utf8
fr_BE
fr_BE@euro
fr_BE.utf8
fr_CA
fr_CA.utf8
fr_CH
fr_CH.utf8
fr_FR
fr_FR@euro
fr_FR.utf8
fr_LU
fr_LU@euro
fr_LU.utf8
gl_ES
gl_ES@euro
gl_ES.utf8
hr_HR
hr_HR.utf8
hu_HU
hu_HU.utf8
id_ID
id_ID.utf8
is_IS
is_IS.utf8
it_CH
it_CH.utf8
it_IT
it_IT@euro
it_IT.utf8
ka_GE
ka_GE.utf8
kk_KZ
kk_KZ.utf8
kl_GL
kl_GL.utf8
lt_LT
lt_LT.utf8
lv_LV
lv_LV.utf8
mk_MK
mk_MK.utf8
mn_MN
mn_MN.utf8
nb_NO
nb_NO.utf8
nl_BE
nl_BE@euro
nl_BE.utf8
nl_NL
nl_NL@euro
nl_NL.utf8
nn_NO
nn_NO.utf8
no_NO
no_NO.utf8
oc_FR
oc_FR.utf8
pl_PL
pl_PL.utf8
pt_BR
pt_BR.utf8
pt_PT
pt_PT@euro
pt_PT.utf8
ro_RO
ro_RO.utf8
ru_RU
ru_RU.koi8r
ru_RU.utf8
ru_UA
ru_UA.utf8
se_NO
se_NO.utf8
sh_YU
sh_YU.utf8
sk_SK
sk_SK.utf8
sl_SI
sl_SI.utf8
sq_AL
sq_AL.utf8
sr_CS
sr_CS.utf8
sv_FI
sv_FI@euro
sv_FI.utf8
sv_SE
sv_SE.iso885915
sv_SE.utf8
tg_TJ
tg_TJ.utf8
tr_TR
tr_TR.utf8
tt_RU.utf8
uk_UA
uk_UA.utf8
vi_VN
vi_VN.tcvn
wa_BE
wa_BE@euro
wa_BE.utf8