129 lines
3.0 KiB
Perl
Executable File
129 lines
3.0 KiB
Perl
Executable File
#!./perl
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#
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# test method calls and autoloading.
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#
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print "1..26\n";
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@A::ISA = 'B';
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@B::ISA = 'C';
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sub C::d {"C::d"}
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sub D::d {"D::d"}
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my $cnt = 0;
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sub test {
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print "# got `$_[0]', expected `$_[1]'\nnot " unless $_[0] eq $_[1];
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# print "not " unless shift eq shift;
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print "ok ", ++$cnt, "\n"
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}
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test( A->d, "C::d"); # Update hash table;
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*B::d = \&D::d; # Import now.
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test (A->d, "D::d"); # Update hash table;
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{
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local @A::ISA = qw(C); # Update hash table with split() assignment
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test (A->d, "C::d");
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$#A::ISA = -1;
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test (eval { A->d } || "fail", "fail");
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}
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test (A->d, "D::d");
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{
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local *B::d;
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eval 'sub B::d {"B::d1"}'; # Import now.
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test (A->d, "B::d1"); # Update hash table;
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undef &B::d;
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test ((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1);
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}
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test (A->d, "D::d"); # Back to previous state
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eval 'sub B::d {"B::d2"}'; # Import now.
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test (A->d, "B::d2"); # Update hash table;
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# What follows is hardly guarantied to work, since the names in scripts
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# are already linked to "pruned" globs. Say, `undef &B::d' if it were
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# after `delete $B::{d}; sub B::d {}' would reach an old subroutine.
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undef &B::d;
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delete $B::{d};
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test (A->d, "C::d"); # Update hash table;
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eval 'sub B::d {"B::d3"}'; # Import now.
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test (A->d, "B::d3"); # Update hash table;
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delete $B::{d};
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*dummy::dummy = sub {}; # Mark as updated
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test (A->d, "C::d");
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eval 'sub B::d {"B::d4"}'; # Import now.
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test (A->d, "B::d4"); # Update hash table;
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delete $B::{d}; # Should work without any help too
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test (A->d, "C::d");
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{
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local *C::d;
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test (eval { A->d } || "nope", "nope");
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}
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test (A->d, "C::d");
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*A::x = *A::d; # See if cache incorrectly follows synonyms
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A->d;
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test (eval { A->x } || "nope", "nope");
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eval <<'EOF';
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sub C::e;
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BEGIN { *B::e = \&C::e } # Shouldn't prevent AUTOLOAD in original pkg
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sub Y::f;
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$counter = 0;
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@X::ISA = 'Y';
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@Y::ISA = 'B';
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sub B::AUTOLOAD {
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my $c = ++$counter;
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my $method = $B::AUTOLOAD;
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my $msg = "B: In $method, $c";
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eval "sub $method { \$msg }";
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goto &$method;
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}
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sub C::AUTOLOAD {
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my $c = ++$counter;
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my $method = $C::AUTOLOAD;
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my $msg = "C: In $method, $c";
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eval "sub $method { \$msg }";
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goto &$method;
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}
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EOF
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test(A->e(), "C: In C::e, 1"); # We get a correct autoload
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test(A->e(), "C: In C::e, 1"); # Which sticks
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test(A->ee(), "B: In A::ee, 2"); # We get a generic autoload, method in top
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test(A->ee(), "B: In A::ee, 2"); # Which sticks
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test(Y->f(), "B: In Y::f, 3"); # We vivify a correct method
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test(Y->f(), "B: In Y::f, 3"); # Which sticks
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# This test is not intended to be reasonable. It is here just to let you
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# know that you broke some old construction. Feel free to rewrite the test
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# if your patch breaks it.
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*B::AUTOLOAD = sub {
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my $c = ++$counter;
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my $method = $AUTOLOAD;
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*$AUTOLOAD = sub { "new B: In $method, $c" };
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goto &$AUTOLOAD;
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};
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test(A->eee(), "new B: In A::eee, 4"); # We get a correct $autoload
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test(A->eee(), "new B: In A::eee, 4"); # Which sticks
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# this test added due to bug discovery
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test(defined(@{"unknown_package::ISA"}) ? "defined" : "undefined", "undefined");
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