diff options
Diffstat (limited to 't/20-leaks.t')
| -rw-r--r-- | t/20-leaks.t | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/t/20-leaks.t b/t/20-leaks.t new file mode 100644 index 0000000..570b56e --- /dev/null +++ b/t/20-leaks.t @@ -0,0 +1,186 @@ +#!/usr/bin/env perl +use strict; +use warnings; +use lib 't/lib'; +use Test::More; +use Test::Fatal; +use Test::Requires 'Test::LeakTrace'; + +use Package::Stash; +use Symbol; + +{ + package Bar; +} + +{ + package Baz; + our $foo; + sub bar { } + use constant baz => 1; + our %quux = (a => 'b'); +} + +{ + no_leaks_ok { + Package::Stash->new('Foo'); + } "object construction doesn't leak"; +} + +{ + no_leaks_ok { + Package::Stash->new('Bar'); + } "object construction doesn't leak, with an existing package"; +} + +{ + no_leaks_ok { + Package::Stash->new('Baz'); + } "object construction doesn't leak, with an existing package with things in it"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->name; + $foo->namespace; + } "accessors don't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->add_symbol('$scalar'); + $foo->add_symbol('@array'); + $foo->add_symbol('%hash'); + $foo->add_symbol('io'); + } "add_symbol doesn't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->add_symbol('$scalar_init' => 1); + $foo->add_symbol('@array_init' => []); + $foo->add_symbol('%hash_init' => {}); + $foo->add_symbol('&code_init' => sub { "foo" }); + $foo->add_symbol('io_init' => Symbol::geniosym); + } "add_symbol doesn't leak"; + is(exception { + is(Foo->code_init, 'foo', "sub installed correctly") + }, undef, "code_init exists"); +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->remove_symbol('$scalar_init'); + $foo->remove_symbol('@array_init'); + $foo->remove_symbol('%hash_init'); + $foo->remove_symbol('&code_init'); + $foo->remove_symbol('io_init'); + } "remove_symbol doesn't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + $foo->add_symbol("${_}glob") for ('$', '@', '%', '&', ''); + no_leaks_ok { + $foo->remove_glob('glob'); + } "remove_glob doesn't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->has_symbol('io'); + $foo->has_symbol('%hash'); + $foo->has_symbol('@array_init'); + $foo->has_symbol('$glob'); + $foo->has_symbol('&something_else'); + } "has_symbol doesn't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + $foo->get_symbol('io'); + $foo->get_symbol('%hash'); + $foo->get_symbol('@array_init'); + $foo->get_symbol('$glob'); + $foo->get_symbol('&something_else'); + } "get_symbol doesn't leak"; +} + +{ + my $foo = Package::Stash->new('Foo'); + ok(!$foo->has_symbol('$glob')); + ok(!$foo->has_symbol('@array_init')); + no_leaks_ok { + $foo->get_or_add_symbol('io'); + $foo->get_or_add_symbol('%hash'); + my @super = ('Exporter'); + @{$foo->get_or_add_symbol('@ISA')} = @super; + $foo->get_or_add_symbol('$glob'); + } "get_or_add_symbol doesn't leak"; + { local $TODO = ($] < 5.010 || $Package::Stash::IMPLEMENTATION eq 'PP') + ? "undef scalars aren't visible on 5.8, or from pure perl at all" + : undef; + ok($foo->has_symbol('$glob')); + } + is(ref($foo->get_symbol('$glob')), 'SCALAR'); + ok($foo->has_symbol('@ISA')); + is(ref($foo->get_symbol('@ISA')), 'ARRAY'); + is_deeply($foo->get_symbol('@ISA'), ['Exporter']); + isa_ok('Foo', 'Exporter'); +} + +{ + my $foo = Package::Stash->new('Foo'); + my $baz = Package::Stash->new('Baz'); + no_leaks_ok { + $foo->list_all_symbols; + $foo->list_all_symbols('SCALAR'); + $foo->list_all_symbols('CODE'); + $baz->list_all_symbols('CODE'); + } "list_all_symbols doesn't leak"; +} + +{ + package Blah; + use constant 'baz'; +} + +{ + my $foo = Package::Stash->new('Foo'); + my $blah = Package::Stash->new('Blah'); + no_leaks_ok { + $foo->get_all_symbols; + $foo->get_all_symbols('SCALAR'); + $foo->get_all_symbols('CODE'); + $blah->get_all_symbols('CODE'); + } "get_all_symbols doesn't leak"; +} + +# mimic CMOP::create_anon_class +{ + local $TODO = $] < 5.010 ? "deleting stashes is inherently leaky on 5.8" + : undef; + my $i = 0; + no_leaks_ok { + $i++; + eval "package Quux$i; 1;"; + my $quux = Package::Stash->new("Quux$i"); + $quux->get_or_add_symbol('@ISA'); + delete $::{'Quux' . $i . '::'}; + } "get_symbol doesn't leak during glob expansion"; +} + +{ + my $foo = Package::Stash->new('Foo'); + no_leaks_ok { + eval { $foo->get_or_add_symbol('&blorg') }; + } "doesn't leak on errors"; +} + +done_testing; |