5 @INC = ('../lib', 'lib');
6 $INC{"feature.pm"} = 1; # so we don't attempt to load feature.pm
11 # Can't require test.pl, as we're testing the use/require mechanism here.
16 my ($type, $got, $expected, $name) = @_;
20 $result = $got eq $expected;
21 } elsif ($type eq 'isnt') {
22 $result = $got ne $expected;
23 } elsif ($type eq 'like') {
24 $result = $got =~ $expected;
25 } elsif ($type eq 'ok') {
26 $result = not not $got;
28 die "Unexpected type '$type'$name";
32 print "ok $test - $name\n";
38 print "not ok $test - $name\n";
40 print "not ok $test\n";
42 my @caller = caller(1);
43 print "# Failed test at $caller[1] line $caller[2]\n";
44 print "# Got '$got'\n";
46 print "# Expected '$expected'\n";
47 } elsif ($type eq 'isnt') {
48 print "# Expected not '$expected'\n";
49 } elsif ($type eq 'like') {
50 print "# Expected $expected\n";
51 } elsif ($type eq 'ok') {
52 print "# Expected a true value\n";
69 _ok ('ok', shift, undef, @_);
72 eval "use 5"; # implicit semicolon
78 eval "{use 5}"; # [perl #70884]
81 eval "{use 5 }"; # [perl #70884]
84 # new style version numbers
86 eval q{ use v5.5.630; };
89 eval q{ use 10.0.2; };
90 like ($@, qr/^Perl v10\.0\.2 required/);
92 eval "use 5.000"; # implicit semicolon
99 like ($@, qr/Perl v6\.0\.0 required--this is only \Q$^V\E, stopped/);
105 like ($@, qr/Perls since v5\.0\.0 too modern--this is \Q$^V\E, stopped/);
108 like ($@, qr/Perl v5\.600\.0 required \(did you mean v5\.6\.0\?\)--this is only \Q$^V\E, stopped/);
111 like ($@, qr/Perl v5\.800\.0 required \(did you mean v5\.8\.0\?\)--this is only \Q$^V\E, stopped/);
114 like ($@, qr/Perl v5\.900\.0 required \(did you mean v5\.9\.0\?\)--this is only \Q$^V\E, stopped/);
117 like ($@, qr/Perl v5\.100\.0 required \(did you mean v5\.10\.0\?\)--this is only \Q$^V\E, stopped/);
120 like ($@, qr/Perl v5\.110\.0 required \(did you mean v5\.11\.0\?\)--this is only \Q$^V\E, stopped/);
122 eval sprintf "use %.6f;", $];
126 eval sprintf "use %.6f;", $] - 0.000001;
129 eval sprintf("use %.6f;", $] + 1);
130 like ($@, qr/Perl v6.\d+.\d+ required--this is only \Q$^V\E, stopped/);
132 eval sprintf "use %.6f;", $] + 0.00001;
133 like ($@, qr/Perl v5.\d+.\d+ required--this is only \Q$^V\E, stopped/);
135 # check that "use 5.11.0" (and higher) loads strictures
136 eval 'use 5.11.0; ${"foo"} = "bar";';
137 like ($@, qr/Can't use string \("foo"\) as a SCALAR ref while "strict refs" in use/);
138 # but that they can be disabled
139 eval 'use 5.11.0; no strict "refs"; ${"foo"} = "bar";';
141 # and they are properly scoped
142 eval '{use 5.11.0;} ${"foo"} = "bar";';
144 eval 'no strict; use 5.012; ${"foo"} = "bar"';
145 is $@, "", 'explicit "no strict" overrides later ver decl';
146 eval 'use strict; use 5.01; ${"foo"} = "bar"';
147 like $@, qr/^Can't use string/,
148 'explicit use strict overrides later use 5.01';
149 eval 'use strict "subs"; use 5.012; ${"foo"} = "bar"';
150 like $@, qr/^Can't use string/,
151 'explicit use strict "subs" does not stop ver decl from enabling refs';
152 eval 'use 5.012; use 5.01; ${"foo"} = "bar"';
153 is $@, "", 'use 5.01 overrides implicit strict from prev ver decl';
154 eval 'no strict "subs"; use 5.012; ${"foo"} = "bar"';
155 ok $@, 'no strict subs allows ver decl to enable refs';
156 eval 'no strict "subs"; use 5.012; $nonexistent_pack_var';
157 ok $@, 'no strict subs allows ver decl to enable vars';
158 eval 'no strict "refs"; use 5.012; fancy_bareword';
159 ok $@, 'no strict refs allows ver decl to enable subs';
160 eval 'no strict "refs"; use 5.012; $nonexistent_pack_var';
161 ok $@, 'no strict refs allows ver decl to enable subs';
162 eval 'no strict "vars"; use 5.012; ${"foo"} = "bar"';
163 ok $@, 'no strict vars allows ver decl to enable refs';
164 eval 'no strict "vars"; use 5.012; ursine_word';
165 ok $@, 'no strict vars allows ver decl to enable subs';
168 { use test_use } # check that subparse saves pending tokens
170 local $test_use::VERSION = 1.0;
172 eval "use test_use 0.9";
175 eval "use test_use 1.0";
178 eval "use test_use 1.01";
181 eval "use test_use 0.9 qw(fred)";
184 is("@test_use::got", "fred");
186 eval "use test_use 1.0 qw(joe)";
189 is("@test_use::got", "joe");
191 eval "use test_use 1.01 qw(freda)";
194 is("@test_use::got", "joe");
197 local $test_use::VERSION = 35.36;
198 eval "use test_use v33.55";
201 eval "use test_use v100.105";
202 like ($@, qr/test_use version v100.105.0 required--this is only version v35\.360\.0/);
204 eval "use test_use 33.55";
207 eval "use test_use 100.105";
208 like ($@, qr/test_use version 100.105 required--this is only version 35.36/);
210 local $test_use::VERSION = '35.36';
211 eval "use test_use v33.55";
214 eval "use test_use v100.105";
215 like ($@, qr/test_use version v100.105.0 required--this is only version v35\.360\.0/);
217 eval "use test_use 33.55";
220 eval "use test_use 100.105";
221 like ($@, qr/test_use version 100.105 required--this is only version 35.36/);
223 local $test_use::VERSION = v35.36;
224 eval "use test_use v33.55";
227 eval "use test_use v100.105";
228 like ($@, qr/test_use version v100.105.0 required--this is only version v35\.36\.0/);
230 eval "use test_use 33.55";
233 eval "use test_use 100.105";
234 like ($@, qr/test_use version 100.105 required--this is only version v35.36/);
239 # Regression test for patch 14937:
240 # Check that a .pm file with no package or VERSION doesn't core.
241 # (git commit 2658f4d9934aba5f8b23afcc078dc12b3a40223)
242 eval "use test_use_14937 3";
243 like ($@, qr/^test_use_14937 defines neither package nor VERSION--version check failed at/);
246 my @ver = split /\./, sprintf "%vd", $^V;
248 foreach my $index (-3..+3) {
249 foreach my $v (0, 1) {
253 # Jiggle one of the parts down
254 --$parts[-$index - 1];
255 if ($parts[-$index - 1] < 0) {
256 # perl's version number ends with '.0'
257 $parts[-$index - 1] = 0;
258 $parts[-$index - 2] -= 2;
261 # Jiggle one of the parts up
262 ++$parts[$index - 1];
265 my $v_version = sprintf "v%d.%d.%d", @parts;
268 $version = $v_version;
270 $version = $parts[0] + $parts[1] / 1000 + $parts[2] / 1000000;
277 qr/Perl $v_version required--this is only \Q$^V\E, stopped/,
280 # The present or past
281 is ($@, '', "use $version");
286 # The present or past
288 qr/Perls since $v_version too modern--this is \Q$^V\E, stopped/,
292 is ($@, '', "no $version");