| 1 | #!./perl |
| 2 | |
| 3 | # |
| 4 | # test method calls and autoloading. |
| 5 | # |
| 6 | |
| 7 | BEGIN { |
| 8 | chdir 't' if -d 't'; |
| 9 | @INC = '../lib'; |
| 10 | } |
| 11 | |
| 12 | print "1..73\n"; |
| 13 | |
| 14 | @A::ISA = 'B'; |
| 15 | @B::ISA = 'C'; |
| 16 | |
| 17 | sub C::d {"C::d"} |
| 18 | sub D::d {"D::d"} |
| 19 | |
| 20 | my $cnt = 0; |
| 21 | sub test { |
| 22 | print "# got `$_[0]', expected `$_[1]'\nnot " unless $_[0] eq $_[1]; |
| 23 | # print "not " unless shift eq shift; |
| 24 | print "ok ", ++$cnt, "\n" |
| 25 | } |
| 26 | |
| 27 | # First, some basic checks of method-calling syntax: |
| 28 | $obj = bless [], "Pack"; |
| 29 | sub Pack::method { shift; join(",", "method", @_) } |
| 30 | $mname = "method"; |
| 31 | |
| 32 | test(Pack->method("a","b","c"), "method,a,b,c"); |
| 33 | test(Pack->$mname("a","b","c"), "method,a,b,c"); |
| 34 | test(method Pack ("a","b","c"), "method,a,b,c"); |
| 35 | test((method Pack "a","b","c"), "method,a,b,c"); |
| 36 | |
| 37 | test(Pack->method(), "method"); |
| 38 | test(Pack->$mname(), "method"); |
| 39 | test(method Pack (), "method"); |
| 40 | test(Pack->method, "method"); |
| 41 | test(Pack->$mname, "method"); |
| 42 | test(method Pack, "method"); |
| 43 | |
| 44 | test($obj->method("a","b","c"), "method,a,b,c"); |
| 45 | test($obj->$mname("a","b","c"), "method,a,b,c"); |
| 46 | test((method $obj ("a","b","c")), "method,a,b,c"); |
| 47 | test((method $obj "a","b","c"), "method,a,b,c"); |
| 48 | |
| 49 | test($obj->method(0), "method,0"); |
| 50 | test($obj->method(1), "method,1"); |
| 51 | |
| 52 | test($obj->method(), "method"); |
| 53 | test($obj->$mname(), "method"); |
| 54 | test((method $obj ()), "method"); |
| 55 | test($obj->method, "method"); |
| 56 | test($obj->$mname, "method"); |
| 57 | test(method $obj, "method"); |
| 58 | |
| 59 | test( A->d, "C::d"); # Update hash table; |
| 60 | |
| 61 | *B::d = \&D::d; # Import now. |
| 62 | test (A->d, "D::d"); # Update hash table; |
| 63 | |
| 64 | { |
| 65 | local @A::ISA = qw(C); # Update hash table with split() assignment |
| 66 | test (A->d, "C::d"); |
| 67 | $#A::ISA = -1; |
| 68 | test (eval { A->d } || "fail", "fail"); |
| 69 | } |
| 70 | test (A->d, "D::d"); |
| 71 | |
| 72 | { |
| 73 | local *B::d; |
| 74 | eval 'sub B::d {"B::d1"}'; # Import now. |
| 75 | test (A->d, "B::d1"); # Update hash table; |
| 76 | undef &B::d; |
| 77 | test ((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1); |
| 78 | } |
| 79 | |
| 80 | test (A->d, "D::d"); # Back to previous state |
| 81 | |
| 82 | eval 'sub B::d {"B::d2"}'; # Import now. |
| 83 | test (A->d, "B::d2"); # Update hash table; |
| 84 | |
| 85 | # What follows is hardly guarantied to work, since the names in scripts |
| 86 | # are already linked to "pruned" globs. Say, `undef &B::d' if it were |
| 87 | # after `delete $B::{d}; sub B::d {}' would reach an old subroutine. |
| 88 | |
| 89 | undef &B::d; |
| 90 | delete $B::{d}; |
| 91 | test (A->d, "C::d"); # Update hash table; |
| 92 | |
| 93 | eval 'sub B::d {"B::d3"}'; # Import now. |
| 94 | test (A->d, "B::d3"); # Update hash table; |
| 95 | |
| 96 | delete $B::{d}; |
| 97 | *dummy::dummy = sub {}; # Mark as updated |
| 98 | test (A->d, "C::d"); |
| 99 | |
| 100 | eval 'sub B::d {"B::d4"}'; # Import now. |
| 101 | test (A->d, "B::d4"); # Update hash table; |
| 102 | |
| 103 | delete $B::{d}; # Should work without any help too |
| 104 | test (A->d, "C::d"); |
| 105 | |
| 106 | { |
| 107 | local *C::d; |
| 108 | test (eval { A->d } || "nope", "nope"); |
| 109 | } |
| 110 | test (A->d, "C::d"); |
| 111 | |
| 112 | *A::x = *A::d; # See if cache incorrectly follows synonyms |
| 113 | A->d; |
| 114 | test (eval { A->x } || "nope", "nope"); |
| 115 | |
| 116 | eval <<'EOF'; |
| 117 | sub C::e; |
| 118 | BEGIN { *B::e = \&C::e } # Shouldn't prevent AUTOLOAD in original pkg |
| 119 | sub Y::f; |
| 120 | $counter = 0; |
| 121 | |
| 122 | @X::ISA = 'Y'; |
| 123 | @Y::ISA = 'B'; |
| 124 | |
| 125 | sub B::AUTOLOAD { |
| 126 | my $c = ++$counter; |
| 127 | my $method = $B::AUTOLOAD; |
| 128 | my $msg = "B: In $method, $c"; |
| 129 | eval "sub $method { \$msg }"; |
| 130 | goto &$method; |
| 131 | } |
| 132 | sub C::AUTOLOAD { |
| 133 | my $c = ++$counter; |
| 134 | my $method = $C::AUTOLOAD; |
| 135 | my $msg = "C: In $method, $c"; |
| 136 | eval "sub $method { \$msg }"; |
| 137 | goto &$method; |
| 138 | } |
| 139 | EOF |
| 140 | |
| 141 | test(A->e(), "C: In C::e, 1"); # We get a correct autoload |
| 142 | test(A->e(), "C: In C::e, 1"); # Which sticks |
| 143 | |
| 144 | test(A->ee(), "B: In A::ee, 2"); # We get a generic autoload, method in top |
| 145 | test(A->ee(), "B: In A::ee, 2"); # Which sticks |
| 146 | |
| 147 | test(Y->f(), "B: In Y::f, 3"); # We vivify a correct method |
| 148 | test(Y->f(), "B: In Y::f, 3"); # Which sticks |
| 149 | |
| 150 | # This test is not intended to be reasonable. It is here just to let you |
| 151 | # know that you broke some old construction. Feel free to rewrite the test |
| 152 | # if your patch breaks it. |
| 153 | |
| 154 | *B::AUTOLOAD = sub { |
| 155 | my $c = ++$counter; |
| 156 | my $method = $AUTOLOAD; |
| 157 | *$AUTOLOAD = sub { "new B: In $method, $c" }; |
| 158 | goto &$AUTOLOAD; |
| 159 | }; |
| 160 | |
| 161 | test(A->eee(), "new B: In A::eee, 4"); # We get a correct $autoload |
| 162 | test(A->eee(), "new B: In A::eee, 4"); # Which sticks |
| 163 | |
| 164 | # this test added due to bug discovery |
| 165 | test(defined(@{"unknown_package::ISA"}) ? "defined" : "undefined", "undefined"); |
| 166 | |
| 167 | # test that failed subroutine calls don't affect method calls |
| 168 | { |
| 169 | package A1; |
| 170 | sub foo { "foo" } |
| 171 | package A2; |
| 172 | @ISA = 'A1'; |
| 173 | package main; |
| 174 | test(A2->foo(), "foo"); |
| 175 | test(do { eval 'A2::foo()'; $@ ? 1 : 0}, 1); |
| 176 | test(A2->foo(), "foo"); |
| 177 | } |
| 178 | |
| 179 | ## This test was totally misguided. It passed before only because the |
| 180 | ## code to determine if a package was loaded used to look for the hash |
| 181 | ## %Foo::Bar instead of the package Foo::Bar:: -- and Config.pm just |
| 182 | ## happens to export %Config. |
| 183 | # { |
| 184 | # test(do { use Config; eval 'Config->foo()'; |
| 185 | # $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1); |
| 186 | # test(do { use Config; eval '$d = bless {}, "Config"; $d->foo()'; |
| 187 | # $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1); |
| 188 | # } |
| 189 | |
| 190 | |
| 191 | # test error messages if method loading fails |
| 192 | test(do { eval '$e = bless {}, "E::A"; E::A->foo()'; |
| 193 | $@ =~ /^\QCan't locate object method "foo" via package "E::A" at/ ? 1 : $@}, 1); |
| 194 | test(do { eval '$e = bless {}, "E::B"; $e->foo()'; |
| 195 | $@ =~ /^\QCan't locate object method "foo" via package "E::B" at/ ? 1 : $@}, 1); |
| 196 | test(do { eval 'E::C->foo()'; |
| 197 | $@ =~ /^\QCan't locate object method "foo" via package "E::C" (perhaps / ? 1 : $@}, 1); |
| 198 | |
| 199 | test(do { eval 'UNIVERSAL->E::D::foo()'; |
| 200 | $@ =~ /^\QCan't locate object method "foo" via package "E::D" (perhaps / ? 1 : $@}, 1); |
| 201 | test(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::E::foo()'; |
| 202 | $@ =~ /^\QCan't locate object method "foo" via package "E::E" (perhaps / ? 1 : $@}, 1); |
| 203 | |
| 204 | $e = bless {}, "E::F"; # force package to exist |
| 205 | test(do { eval 'UNIVERSAL->E::F::foo()'; |
| 206 | $@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1); |
| 207 | test(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::F::foo()'; |
| 208 | $@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1); |
| 209 | |
| 210 | # TODO: we need some tests for the SUPER:: pseudoclass |
| 211 | |
| 212 | # failed method call or UNIVERSAL::can() should not autovivify packages |
| 213 | test( $::{"Foo::"} || "none", "none"); # sanity check 1 |
| 214 | test( $::{"Foo::"} || "none", "none"); # sanity check 2 |
| 215 | |
| 216 | test( UNIVERSAL::can("Foo", "boogie") ? "yes":"no", "no" ); |
| 217 | test( $::{"Foo::"} || "none", "none"); # still missing? |
| 218 | |
| 219 | test( Foo->UNIVERSAL::can("boogie") ? "yes":"no", "no" ); |
| 220 | test( $::{"Foo::"} || "none", "none"); # still missing? |
| 221 | |
| 222 | test( Foo->can("boogie") ? "yes":"no", "no" ); |
| 223 | test( $::{"Foo::"} || "none", "none"); # still missing? |
| 224 | |
| 225 | test( eval 'Foo->boogie(); 1' ? "yes":"no", "no" ); |
| 226 | test( $::{"Foo::"} || "none", "none"); # still missing? |
| 227 | |
| 228 | test(do { eval 'Foo->boogie()'; |
| 229 | $@ =~ /^\QCan't locate object method "boogie" via package "Foo" (perhaps / ? 1 : $@}, 1); |
| 230 | |
| 231 | eval 'sub Foo::boogie { "yes, sir!" }'; |
| 232 | test( $::{"Foo::"} ? "ok" : "none", "ok"); # should exist now |
| 233 | test( Foo->boogie(), "yes, sir!"); |
| 234 | |
| 235 | # TODO: universal.t should test NoSuchPackage->isa()/can() |
| 236 | |
| 237 | # This is actually testing parsing of indirect objects and undefined subs |
| 238 | # print foo("bar") where foo does not exist is not an indirect object. |
| 239 | # print foo "bar" where foo does not exist is an indirect object. |
| 240 | eval { sub AUTOLOAD { "ok ", shift, "\n"; } }; |
| 241 | print nonsuch(++$cnt); |
| 242 | |
| 243 | # Bug ID 20010902.002 |
| 244 | test ( |
| 245 | eval q[ |
| 246 | $x = 'x'; |
| 247 | sub Foo::x : lvalue { $x } |
| 248 | Foo->$x = 'ok'; |
| 249 | ] || $@, 'ok' |
| 250 | ); |
| 251 | |
| 252 | print "# $cnt tests completed\n"; |