12 # Test glob operations.
39 # Test fake references.
46 # Test real references.
53 # Test references to real arrays.
61 push(@{$ref[$i]}, "ok $ary[$i]\n");
68 # Test references to references.
74 # Test nested anonymous lists.
76 $ref = [[],2,[3,4,5,]];
77 print scalar @$ref == 3 ? "ok 14\n" : "not ok 14\n";
78 print $$ref[1] == 2 ? "ok 15\n" : "not ok 15\n";
79 print ${$$ref[2]}[2] == 5 ? "ok 16\n" : "not ok 16\n";
80 print scalar @{$$ref[0]} == 0 ? "ok 17\n" : "not ok 17\n";
82 print $ref->[1] == 2 ? "ok 18\n" : "not ok 18\n";
83 print $ref->[2]->[0] == 3 ? "ok 19\n" : "not ok 19\n";
85 # Test references to hashes of references.
88 $refref->{"key"} = $ref;
89 print $refref->{"key"}->[2]->[0] == 3 ? "ok 20\n" : "not ok 20\n";
91 # Test to see if anonymous subarrays spring into existence.
93 $spring[5]->[0] = 123;
94 $spring[5]->[1] = 456;
95 push(@{$spring[5]}, 789);
96 print join(':',@{$spring[5]}) eq "123:456:789" ? "ok 21\n" : "not ok 21\n";
98 # Test to see if anonymous subhashes spring into existence.
100 @{$spring2{"foo"}} = (1,2,3);
101 $spring2{"foo"}->[3] = 4;
102 print join(':',@{$spring2{"foo"}}) eq "1:2:3:4" ? "ok 22\n" : "not ok 22\n";
104 # Test references to subroutines.
106 sub mysub { print "ok 23\n" }
110 $subrefref = \\&mysub2;
111 $$subrefref->("ok 24\n");
112 sub mysub2 { print shift }
114 # Test the ref operator.
116 print ref $subref eq CODE ? "ok 25\n" : "not ok 25\n";
117 print ref $ref eq ARRAY ? "ok 26\n" : "not ok 26\n";
118 print ref $refref eq HASH ? "ok 27\n" : "not ok 27\n";
120 # Test anonymous hash syntax.
123 print ref $anonhash eq HASH ? "ok 28\n" : "not ok 28\n";
124 $anonhash2 = {FOO => BAR, ABC => XYZ,};
125 print join('', sort values %$anonhash2) eq BARXYZ ? "ok 29\n" : "not ok 29\n";
127 # Test bless operator.
131 $object = bless $main'anonhash2;
132 print ref $object eq MYHASH ? "ok 30\n" : "not ok 30\n";
133 print $object->{ABC} eq XYZ ? "ok 31\n" : "not ok 31\n";
136 print ref $object2 eq MYHASH ? "ok 32\n" : "not ok 32\n";
138 # Test ordinary call on object method.
140 &mymethod($object,33);
143 local($THIS, @ARGS) = @_;
144 die 'Got a "' . ref($THIS). '" instead of a MYHASH'
145 unless ref $THIS eq MYHASH;
146 print $THIS->{FOO} eq BAR ? "ok $ARGS[0]\n" : "not ok $ARGS[0]\n";
149 # Test automatic destructor call.
151 $string = "not ok 34\n";
154 $main'anonhash2 = "foo";
158 return unless $string;
161 # Test that the object has not already been "cursed".
162 print ref shift ne HASH ? "ok 35\n" : "not ok 35\n";
165 # Now test inheritance of methods.
171 $main'object = bless {FOO => foo, BAR => bar};
176 # Test arrow-style method invocation.
178 is ($object->doit("BAR"), bar);
180 # Test indirect-object-style method invocation.
182 $foo = doit $object "FOO";
183 main::is ($foo, foo);
187 die "Not an OBJ" unless ref $ref eq OBJ;
195 sub foo { main::is ($_[1], 'works') }
198 foo WHATEVER "works";
201 # test the \(@foo) construct
206 @baz = \(1,@foo,@bar);
207 is (scalar (@bar), 3);
208 is (scalar grep(ref($_), @bar), 3);
209 is (scalar (@baz), 3);
211 my(@fuu) = \(1..2,3);
213 my(@bzz) = \(1,@fuu,@baa);
214 is (scalar (@baa), 3);
215 is (scalar grep(ref($_), @baa), 3);
216 is (scalar (@bzz), 3);
218 # also, it can't be an lvalue
219 eval '\\($x, $y) = (1, 2);';
220 like ($@, qr/Can\'t modify.*ref.*in.*assignment/);
222 # test for proper destruction of lexical objects
223 my $test = curr_test();
224 sub larry::DESTROY { print "# larry\nok $test\n"; }
225 sub curly::DESTROY { print "# curly\nok ", $test + 1, "\n"; }
226 sub moe::DESTROY { print "# moe\nok ", $test + 2, "\n"; }
229 my ($joe, @curly, %larry);
230 my $moe = bless \$joe, 'moe';
231 my $curly = bless \@curly, 'curly';
232 my $larry = bless \%larry, 'larry';
233 print "# leaving block\n";
236 print "# left block\n";
237 curr_test($test + 3);
243 { local(*bar) = "foo" }
253 # test if reblessing during destruction results in more destruction
257 sub new { bless {}, shift }
258 DESTROY { print "# destroying 'A'\nok ", $test + 1, "\n" }
260 sub new { bless {}, shift }
261 DESTROY { print "# destroying '_B'\nok $test\n"; bless shift, 'A' }
265 curr_test($test + 2);
267 # test if $_[0] is properly protected in DESTROY()
270 my $test = curr_test();
272 local $SIG{'__DIE__'} = sub {
275 print "# infinite recursion, bailing\nnot ok $test\n";
278 like ($m, qr/^Modification of a read-only/);
281 sub new { bless {}, shift }
282 DESTROY { $_[0] = 'foo' }
284 print "# should generate an error...\n";
287 print "# good, didn't recurse\n";
290 # test if refgen behaves with autoviv magic
302 # This test is the reason for postponed destruction in sv_unref
307 # This test used to coredump. The BEGIN block is important as it causes the
308 # op that created the constant reference to be freed. Hence the only
309 # reference to the constant string "pass" is in $a. The hack that made
310 # sure $a = $a->[1] would work didn't work with references to constants.
313 foreach my $lexical ('', 'my $a; ') {
314 my $expect = "pass\n";
315 my $result = runperl (switches => ['-wl'], stderr => 1,
316 prog => $lexical . 'BEGIN {$a = \q{pass}}; $a = $$a; print $a');
319 is ($result, $expect);
322 my $test = curr_test();
323 sub x::DESTROY {print "ok ", $test + shift->[0], "\n"}
324 { my $a1 = bless [3],"x";
325 my $a2 = bless [2],"x";
326 { my $a3 = bless [1],"x";
327 my $a4 = bless [0],"x";
333 is (runperl (switches=>['-l'],
334 prog=> 'print 1; print qq-*$\*-;print 1;'),
339 runperl(prog => 'sub UNIVERSAL::AUTOLOAD { qr// } a->p' );
340 is ($?, 0, 'UNIVERSAL::AUTOLOAD called when freeing qr//');
342 runperl(prog => 'sub UNIVERSAL::DESTROY { warn } bless \$a, A', stderr => 1);
343 is ($?, 0, 'warn called inside UNIVERSAL::DESTROY');
348 runperl(prog => 'sub f { my $x = shift; *z = $x; } f({}); f();');
349 is ($?, 0, 'coredump on typeglob = (SvRV && !SvROK)');
351 # bug #27268: freeing self-referential typeglobs could trigger
352 # "Attempt to free unreferenced scalar" warnings
355 prog => 'use Symbol;my $x=bless \gensym,"t"; print;*$$x=$x',
357 ), '', 'freeing self-referential typeglob');
359 # using a regex in the destructor for STDOUT segfaulted because the
360 # REGEX pad had already been freed (ithreads build only). The
361 # object is required to trigger the early freeing of GV refs to to STDOUT
364 prog => '$x=bless[]; sub IO::Handle::DESTROY{$_="bad";s/bad/ok/;print}',
366 ), qr/^(ok)+$/, 'STDOUT destructor');
368 # Bit of a hack to make test.pl happy. There are 3 more tests after it leaves.
370 curr_test($test + 3);
371 # test global destruction
373 my $test1 = $test + 1;
374 my $test2 = $test + 2;
379 $ref3 = bless ["ok $test2\n"]; # package destruction
380 my $ref2 = bless ["ok $test1\n"]; # lexical destruction
381 local $ref1 = bless ["ok $test\n"]; # dynamic destruction
382 1; # flush any temp values on stack