1#!./perl 2 3BEGIN { 4 chdir 't' if -d 't'; 5 @INC = qw(. ../lib); 6} 7 8print "1..69\n"; 9 10require 'test.pl'; 11 12# Test glob operations. 13 14$bar = "ok 1\n"; 15$foo = "ok 2\n"; 16{ 17 local(*foo) = *bar; 18 print $foo; 19} 20print $foo; 21 22$baz = "ok 3\n"; 23$foo = "ok 4\n"; 24{ 25 local(*foo) = 'baz'; 26 print $foo; 27} 28print $foo; 29 30$foo = "ok 6\n"; 31{ 32 local(*foo); 33 print $foo; 34 $foo = "ok 5\n"; 35 print $foo; 36} 37print $foo; 38 39# Test fake references. 40 41$baz = "ok 7\n"; 42$bar = 'baz'; 43$foo = 'bar'; 44print $$$foo; 45 46# Test real references. 47 48$FOO = \$BAR; 49$BAR = \$BAZ; 50$BAZ = "ok 8\n"; 51print $$$FOO; 52 53# Test references to real arrays. 54 55@ary = (9,10,11,12); 56$ref[0] = \@a; 57$ref[1] = \@b; 58$ref[2] = \@c; 59$ref[3] = \@d; 60for $i (3,1,2,0) { 61 push(@{$ref[$i]}, "ok $ary[$i]\n"); 62} 63print @a; 64print ${$ref[1]}[0]; 65print @{$ref[2]}[0]; 66print @{'d'}; 67 68# Test references to references. 69 70$refref = \\$x; 71$x = "ok 13\n"; 72print $$$refref; 73 74# Test nested anonymous lists. 75 76$ref = [[],2,[3,4,5,]]; 77print scalar @$ref == 3 ? "ok 14\n" : "not ok 14\n"; 78print $$ref[1] == 2 ? "ok 15\n" : "not ok 15\n"; 79print ${$$ref[2]}[2] == 5 ? "ok 16\n" : "not ok 16\n"; 80print scalar @{$$ref[0]} == 0 ? "ok 17\n" : "not ok 17\n"; 81 82print $ref->[1] == 2 ? "ok 18\n" : "not ok 18\n"; 83print $ref->[2]->[0] == 3 ? "ok 19\n" : "not ok 19\n"; 84 85# Test references to hashes of references. 86 87$refref = \%whatever; 88$refref->{"key"} = $ref; 89print $refref->{"key"}->[2]->[0] == 3 ? "ok 20\n" : "not ok 20\n"; 90 91# Test to see if anonymous subarrays spring into existence. 92 93$spring[5]->[0] = 123; 94$spring[5]->[1] = 456; 95push(@{$spring[5]}, 789); 96print join(':',@{$spring[5]}) eq "123:456:789" ? "ok 21\n" : "not ok 21\n"; 97 98# Test to see if anonymous subhashes spring into existence. 99 100@{$spring2{"foo"}} = (1,2,3); 101$spring2{"foo"}->[3] = 4; 102print join(':',@{$spring2{"foo"}}) eq "1:2:3:4" ? "ok 22\n" : "not ok 22\n"; 103 104# Test references to subroutines. 105 106sub mysub { print "ok 23\n" } 107$subref = \&mysub; 108&$subref; 109 110$subrefref = \\&mysub2; 111$$subrefref->("ok 24\n"); 112sub mysub2 { print shift } 113 114# Test the ref operator. 115 116print ref $subref eq CODE ? "ok 25\n" : "not ok 25\n"; 117print ref $ref eq ARRAY ? "ok 26\n" : "not ok 26\n"; 118print ref $refref eq HASH ? "ok 27\n" : "not ok 27\n"; 119 120# Test anonymous hash syntax. 121 122$anonhash = {}; 123print ref $anonhash eq HASH ? "ok 28\n" : "not ok 28\n"; 124$anonhash2 = {FOO => BAR, ABC => XYZ,}; 125print join('', sort values %$anonhash2) eq BARXYZ ? "ok 29\n" : "not ok 29\n"; 126 127# Test bless operator. 128 129package MYHASH; 130 131$object = bless $main'anonhash2; 132print ref $object eq MYHASH ? "ok 30\n" : "not ok 30\n"; 133print $object->{ABC} eq XYZ ? "ok 31\n" : "not ok 31\n"; 134 135$object2 = bless {}; 136print ref $object2 eq MYHASH ? "ok 32\n" : "not ok 32\n"; 137 138# Test ordinary call on object method. 139 140&mymethod($object,33); 141 142sub mymethod { 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 $ARGS[0]\n"; 147} 148 149# Test automatic destructor call. 150 151$string = "not ok 34\n"; 152$object = "foo"; 153$string = "ok 34\n"; 154$main'anonhash2 = "foo"; 155$string = ""; 156 157DESTROY { 158 return unless $string; 159 print $string; 160 161 # Test that the object has not already been "cursed". 162 print ref shift ne HASH ? "ok 35\n" : "not ok 35\n"; 163} 164 165# Now test inheritance of methods. 166 167package OBJ; 168 169@ISA = (BASEOBJ); 170 171$main'object = bless {FOO => foo, BAR => bar}; 172 173package main; 174 175# Test arrow-style method invocation. 176 177print $object->doit("BAR") eq bar ? "ok 36\n" : "not ok 36\n"; 178 179# Test indirect-object-style method invocation. 180 181$foo = doit $object "FOO"; 182print $foo eq foo ? "ok 37\n" : "not ok 37\n"; 183 184sub BASEOBJ'doit { 185 local $ref = shift; 186 die "Not an OBJ" unless ref $ref eq OBJ; 187 $ref->{shift()}; 188} 189 190package UNIVERSAL; 191@ISA = 'LASTCHANCE'; 192 193package LASTCHANCE; 194sub foo { print $_[1] } 195 196package WHATEVER; 197foo WHATEVER "ok 38\n"; 198 199# 200# test the \(@foo) construct 201# 202package main; 203@foo = \(1..3); 204@bar = \(@foo); 205@baz = \(1,@foo,@bar); 206print @bar == 3 ? "ok 39\n" : "not ok 39\n"; 207print grep(ref($_), @bar) == 3 ? "ok 40\n" : "not ok 40\n"; 208print @baz == 3 ? "ok 41\n" : "not ok 41\n"; 209 210my(@fuu) = \(1..2,3); 211my(@baa) = \(@fuu); 212my(@bzz) = \(1,@fuu,@baa); 213print @baa == 3 ? "ok 42\n" : "not ok 42\n"; 214print grep(ref($_), @baa) == 3 ? "ok 43\n" : "not ok 43\n"; 215print @bzz == 3 ? "ok 44\n" : "not ok 44\n"; 216 217# also, it can't be an lvalue 218eval '\\($x, $y) = (1, 2);'; 219print $@ =~ /Can\'t modify.*ref.*in.*assignment/ ? "ok 45\n" : "not ok 45\n"; 220 221# test for proper destruction of lexical objects 222 223sub larry::DESTROY { print "# larry\nok 46\n"; } 224sub curly::DESTROY { print "# curly\nok 47\n"; } 225sub moe::DESTROY { print "# moe\nok 48\n"; } 226 227{ 228 my ($joe, @curly, %larry); 229 my $moe = bless \$joe, 'moe'; 230 my $curly = bless \@curly, 'curly'; 231 my $larry = bless \%larry, 'larry'; 232 print "# leaving block\n"; 233} 234 235print "# left block\n"; 236 237# another glob test 238 239$foo = "not ok 49"; 240{ local(*bar) = "foo" } 241$bar = "ok 49"; 242local(*bar) = *bar; 243print "$bar\n"; 244 245$var = "ok 50"; 246$_ = \$var; 247print $$_,"\n"; 248 249# test if reblessing during destruction results in more destruction 250 251{ 252 package A; 253 sub new { bless {}, shift } 254 DESTROY { print "# destroying 'A'\nok 52\n" } 255 package _B; 256 sub new { bless {}, shift } 257 DESTROY { print "# destroying '_B'\nok 51\n"; bless shift, 'A' } 258 package main; 259 my $b = _B->new; 260} 261 262# test if $_[0] is properly protected in DESTROY() 263 264{ 265 my $i = 0; 266 local $SIG{'__DIE__'} = sub { 267 my $m = shift; 268 if ($i++ > 4) { 269 print "# infinite recursion, bailing\nnot ok 53\n"; 270 exit 1; 271 } 272 print "# $m"; 273 if ($m =~ /^Modification of a read-only/) { print "ok 53\n" } 274 }; 275 package C; 276 sub new { bless {}, shift } 277 DESTROY { $_[0] = 'foo' } 278 { 279 print "# should generate an error...\n"; 280 my $c = C->new; 281 } 282 print "# good, didn't recurse\n"; 283} 284 285# test if refgen behaves with autoviv magic 286 287{ 288 my @a; 289 $a[1] = "ok 54\n"; 290 print ${\$_} for @a; 291} 292 293# This test is the reason for postponed destruction in sv_unref 294$a = [1,2,3]; 295$a = $a->[1]; 296print "not " unless $a == 2; 297print "ok 55\n"; 298 299# This test used to coredump. The BEGIN block is important as it causes the 300# op that created the constant reference to be freed. Hence the only 301# reference to the constant string "pass" is in $a. The hack that made 302# sure $a = $a->[1] would work didn't work with references to constants. 303 304my $test = 56; 305 306foreach my $lexical ('', 'my $a; ') { 307 my $expect = "pass\n"; 308 my $result = runperl (switches => ['-wl'], stderr => 1, 309 prog => $lexical . 'BEGIN {$a = \q{pass}}; $a = $$a; print $a'); 310 311 if ($? == 0 and $result eq $expect) { 312 print "ok $test\n"; 313 } else { 314 print "not ok $test # \$? = $?\n"; 315 print "# expected ", _qq ($expect), ", got ", _qq ($result), "\n"; 316 } 317 $test++; 318} 319 320sub x::DESTROY {print "ok ", $test + shift->[0], "\n"} 321{ my $a1 = bless [3],"x"; 322 my $a2 = bless [2],"x"; 323 { my $a3 = bless [1],"x"; 324 my $a4 = bless [0],"x"; 325 567; 326 } 327} 328$test+=4; 329 330my $result = runperl (switches=>['-l'], 331 prog=> 'print 1; print qq-*$\*-;print 1;'); 332my $expect = "1\n*\n*\n1\n"; 333if ($result eq $expect) { 334 print "ok $test\n"; 335} else { 336 print "not ok $test\n"; 337 foreach ($expect, $result) { 338 s/\n/\\n/gs; 339 } 340 print "# expected \"$expect\", got \"$result\"\n"; 341} 342 343# bug #21347 344 345runperl(prog => 'sub UNIVERSAL::AUTOLOAD { qr// } a->p' ); 346if ($? != 0) { print "not " }; 347print "ok ",++$test," - UNIVERSAL::AUTOLOAD called when freeing qr//\n"; 348 349runperl(prog => 'sub UNIVERSAL::DESTROY { warn } bless \$a, A', stderr => 1); 350if ($? != 0) { print "not " }; 351print "ok ",++$test," - warn called inside UNIVERSAL::DESTROY\n"; 352 353 354# bug #22719 355 356runperl(prog => 'sub f { my $x = shift; *z = $x; } f({}); f();'); 357if ($? != 0) { print "not " }; 358print "ok ",++$test," - coredump on typeglob = (SvRV && !SvROK)\n"; 359 360# bug #27268: freeing self-referential typeglobs could trigger 361# "Attempt to free unreferenced scalar" warnings 362 363$result = runperl( 364 prog => 'use Symbol;my $x=bless \gensym,"t"; print;*$$x=$x', 365 stderr => 1 366); 367print "not " if length $result; 368print "ok ",++$test," - freeing self-referential typeglob\n"; 369print "# got: $result\n" if length $result; 370 371# test global destruction 372 373++$test; 374my $test1 = $test + 1; 375my $test2 = $test + 2; 376 377package FINALE; 378 379{ 380 $ref3 = bless ["ok $test2\n"]; # package destruction 381 my $ref2 = bless ["ok $test1\n"]; # lexical destruction 382 local $ref1 = bless ["ok $test\n"]; # dynamic destruction 383 1; # flush any temp values on stack 384} 385 386DESTROY { 387 print $_[0][0]; 388} 389