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1 | #!perl -w |
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2 | |
3 | BEGIN { |
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4 | if( $ENV{PERL_CORE} ) { |
5 | chdir 't' if -d 't'; |
6 | @INC = '../lib'; |
7 | } |
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8 | } |
9 | |
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10 | # Can't use Test::Simple/More, they depend on Exporter. |
11 | my $test = 1; |
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12 | sub ok ($;$) { |
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13 | my($ok, $name) = @_; |
14 | |
15 | # You have to do it this way or VMS will get confused. |
16 | printf "%sok %d%s\n", ($ok ? '' : 'not '), $test, |
17 | (defined $name ? " - $name" : ''); |
18 | |
19 | printf "# Failed test at line %d\n", (caller)[2] unless $ok; |
20 | |
21 | $test++; |
22 | return $ok; |
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23 | } |
24 | |
25 | |
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26 | print "1..28\n"; |
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27 | require Exporter; |
28 | ok( 1, 'Exporter compiled' ); |
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29 | |
30 | |
31 | BEGIN { |
32 | # Methods which Exporter says it implements. |
33 | @Exporter_Methods = qw(import |
34 | export_to_level |
35 | require_version |
36 | export_fail |
37 | ); |
38 | } |
39 | |
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40 | |
41 | package Testing; |
42 | require Exporter; |
43 | @ISA = qw(Exporter); |
44 | |
45 | # Make sure Testing can do everything its supposed to. |
46 | foreach my $meth (@::Exporter_Methods) { |
47 | ::ok( Testing->can($meth), "subclass can $meth()" ); |
48 | } |
49 | |
50 | %EXPORT_TAGS = ( |
51 | This => [qw(stuff %left)], |
52 | That => [qw(Above the @wailing)], |
53 | tray => [qw(Fasten $seatbelt)], |
54 | ); |
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55 | @EXPORT = qw(lifejacket is); |
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56 | @EXPORT_OK = qw(under &your $seat); |
57 | $VERSION = '1.05'; |
58 | |
59 | ::ok( Testing->require_version(1.05), 'require_version()' ); |
60 | eval { Testing->require_version(1.11); 1 }; |
61 | ::ok( $@, 'require_version() fail' ); |
62 | ::ok( Testing->require_version(0), 'require_version(0)' ); |
63 | |
64 | sub lifejacket { 'lifejacket' } |
65 | sub stuff { 'stuff' } |
66 | sub Above { 'Above' } |
67 | sub the { 'the' } |
68 | sub Fasten { 'Fasten' } |
69 | sub your { 'your' } |
70 | sub under { 'under' } |
71 | use vars qw($seatbelt $seat @wailing %left); |
72 | $seatbelt = 'seatbelt'; |
73 | $seat = 'seat'; |
74 | @wailing = qw(AHHHHHH); |
75 | %left = ( left => "right" ); |
76 | |
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77 | BEGIN {*is = \&Is}; |
78 | sub Is { 'Is' }; |
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79 | |
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80 | Exporter::export_ok_tags(); |
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81 | |
82 | my %tags = map { $_ => 1 } map { @$_ } values %EXPORT_TAGS; |
83 | my %exportok = map { $_ => 1 } @EXPORT_OK; |
84 | my $ok = 1; |
85 | foreach my $tag (keys %tags) { |
86 | $ok = exists $exportok{$tag}; |
87 | } |
88 | ::ok( $ok, 'export_ok_tags()' ); |
89 | |
90 | |
91 | package Foo; |
92 | Testing->import; |
93 | |
94 | ::ok( defined &lifejacket, 'simple import' ); |
95 | |
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96 | my $got = eval {&lifejacket}; |
97 | ::ok ( $@ eq "", 'check we can call the imported subroutine') |
98 | or print STDERR "# \$\@ is $@\n"; |
99 | ::ok ( $got eq 'lifejacket', 'and that it gave the correct result') |
100 | or print STDERR "# expected 'lifejacket', got " . |
101 | (defined $got ? "'$got'" : "undef") . "\n"; |
102 | |
103 | # The string eval is important. It stops $Foo::{is} existing when |
104 | # Testing->import is called. |
105 | ::ok( eval "defined &is", |
106 | "Import a subroutine where exporter must create the typeglob" ); |
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107 | $got = eval "&is"; |
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108 | ::ok ( $@ eq "", 'check we can call the imported autoloaded subroutine') |
109 | or chomp ($@), print STDERR "# \$\@ is $@\n"; |
110 | ::ok ( $got eq 'Is', 'and that it gave the correct result') |
111 | or print STDERR "# expected 'Is', got " . |
112 | (defined $got ? "'$got'" : "undef") . "\n"; |
113 | |
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114 | |
115 | package Bar; |
116 | my @imports = qw($seatbelt &Above stuff @wailing %left); |
117 | Testing->import(@imports); |
118 | |
119 | ::ok( (!grep { eval "!defined $_" } map({ /^\w/ ? "&$_" : $_ } @imports)), |
120 | 'import by symbols' ); |
121 | |
122 | |
123 | package Yar; |
124 | my @tags = qw(:This :tray); |
125 | Testing->import(@tags); |
126 | |
127 | ::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ } |
128 | map { @$_ } @{$Testing::EXPORT_TAGS{@tags}}), |
129 | 'import by tags' ); |
130 | |
131 | |
132 | package Arrr; |
133 | Testing->import(qw(!lifejacket)); |
134 | |
135 | ::ok( !defined &lifejacket, 'deny import by !' ); |
136 | |
137 | |
138 | package Mars; |
139 | Testing->import('/e/'); |
140 | |
141 | ::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ } |
142 | grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK), |
143 | 'import by regex'); |
144 | |
145 | |
146 | package Venus; |
147 | Testing->import('!/e/'); |
148 | |
149 | ::ok( (!grep { eval "defined $_" } map { /^\w/ ? "&$_" : $_ } |
150 | grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK), |
151 | 'deny import by regex'); |
152 | ::ok( !defined &lifejacket, 'further denial' ); |
153 | |
154 | |
155 | package More::Testing; |
156 | @ISA = qw(Exporter); |
157 | $VERSION = 0; |
158 | eval { More::Testing->require_version(0); 1 }; |
159 | ::ok(!$@, 'require_version(0) and $VERSION = 0'); |
160 | |
161 | |
162 | package Yet::More::Testing; |
163 | @ISA = qw(Exporter); |
164 | $VERSION = 0; |
165 | eval { Yet::More::Testing->require_version(10); 1 }; |
166 | ::ok($@ !~ /\(undef\)/, 'require_version(10) and $VERSION = 0'); |
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167 | |
168 | |
169 | my $warnings; |
170 | BEGIN { |
171 | $SIG{__WARN__} = sub { $warnings = join '', @_ }; |
172 | package Testing::Unused::Vars; |
173 | @ISA = qw(Exporter); |
174 | @EXPORT = qw(this $TODO that); |
175 | |
176 | package Foo; |
177 | Testing::Unused::Vars->import; |
178 | } |
179 | |
180 | ::ok( !$warnings, 'Unused variables can be exported without warning' ) || |
181 | print "# $warnings\n"; |
182 | |
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183 | package Moving::Target; |
184 | @ISA = qw(Exporter); |
185 | @EXPORT_OK = qw (foo); |
186 | |
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187 | sub foo {"This is foo"}; |
188 | sub bar {"This is bar"}; |
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189 | |
190 | package Moving::Target::Test; |
191 | |
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192 | Moving::Target->import ('foo'); |
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193 | |
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194 | ::ok (foo() eq "This is foo", "imported foo before EXPORT_OK changed"); |
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195 | |
196 | push @Moving::Target::EXPORT_OK, 'bar'; |
197 | |
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198 | Moving::Target->import ('bar'); |
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199 | |
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200 | ::ok (bar() eq "This is bar", "imported bar after EXPORT_OK changed"); |
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201 | |
202 | package The::Import; |
203 | |
204 | use Exporter 'import'; |
205 | |
206 | eval { import() }; |
207 | ::ok(\&import == \&Exporter::import, "imported the import routine"); |
208 | |
209 | @EXPORT = qw( wibble ); |
210 | sub wibble {return "wobble"}; |
211 | |
212 | package Use::The::Import; |
213 | |
214 | The::Import->import; |
215 | |
216 | my $val = eval { wibble() }; |
217 | ::ok($val eq "wobble", "exported importer worked"); |
218 | |