10 Class::MOP::is_class_loaded()
11 }, undef, "is_class_loaded with no argument dies" );
13 ok(!Class::MOP::is_class_loaded(''), "can't load the empty class");
14 ok(!Class::MOP::is_class_loaded(\"foo"), "can't load a class name reference??");
16 ok(!Class::MOP::_is_valid_class_name(undef), 'undef is not a valid class name');
17 ok(!Class::MOP::_is_valid_class_name(''), 'empty string is not a valid class name');
18 ok(!Class::MOP::_is_valid_class_name(\"foo"), 'a reference is not a valid class name');
19 ok(!Class::MOP::_is_valid_class_name('bogus name'), q{'bogus name' is not a valid class name});
20 ok(Class::MOP::_is_valid_class_name('Foo'), q{'Foo' is a valid class name});
21 ok(Class::MOP::_is_valid_class_name('Foo::Bar'), q{'Foo::Bar' is a valid class name});
22 ok(Class::MOP::_is_valid_class_name('Foo_::Bar2'), q{'Foo_::Bar2' is a valid class name});
23 like( exception { Class::MOP::load_class('bogus name') }, qr/Invalid class name \(bogus name\)/ );
26 Class::MOP::load_class('__PACKAGE__')
27 }, qr/__PACKAGE__\.pm.*\@INC/, 'errors sanely on __PACKAGE__.pm' );
29 Class::MOP::load_class('BinaryTree');
30 can_ok('BinaryTree' => 'traverse');
40 eval { Class::MOP::load_class('Class') };
41 ok( ! $@, 'load_class does not die if the package is already defined' );
44 ok( !Class::MOP::does_metaclass_exist("Class"), "no metaclass for non MOP class" );
47 Class::MOP::load_class('FakeClassOhNo');
48 }, qr/Can't locate / );
51 Class::MOP::load_class('SyntaxError');
52 }, qr/Missing right curly/ );
55 delete $INC{'SyntaxError.pm'};
56 Class::MOP::load_first_existing_class(
57 'FakeClassOhNo', 'SyntaxError', 'Class'
59 }, qr/Missing right curly/, 'load_first_existing_class does not pass over an existing (bad) module' );
62 Class::MOP::load_class('This::Does::Not::Exist');
63 }, qr{Can't locate This/Does/Not/Exist\.pm in \@INC}, 'load_first_existing_class throws a familiar error for a single module' );
67 use constant foo => "bar";
71 ok(Class::MOP::is_class_loaded("Other"), 'is_class_loaded(Other)');
72 }, undef, "a class with just constants is still a class" );
80 is(Class::MOP::load_first_existing_class("Lala", "Does::Not::Exist"), "Lala", 'load_first_existing_class 1/2 params ok, class name returned');
81 is(Class::MOP::load_first_existing_class("Does::Not::Exist", "Lala"), "Lala", 'load_first_existing_class 2/2 params ok, class name returned');
82 }, undef, 'load_classes works' );
85 Class::MOP::load_first_existing_class("Does::Not::Exist", "Also::Does::Not::Exist")
86 }, qr/Does::Not::Exist.*Also::Does::Not::Exist/s, 'Multiple non-existant classes cause exception' );
90 TestClassLoaded::this_method_does_not_even_exist();
93 ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
94 'the mere mention of TestClassLoaded in the whatever sub does not make us think it has been loaded' );
98 require TestClassLoaded::Sub;
99 ok( ! Class::MOP::is_class_loaded('TestClassLoaded'),
100 'requiring TestClassLoaded::Sub does not make us think TestClassLoaded is loaded' );
104 require TestClassLoaded;
105 ok( Class::MOP::is_class_loaded('TestClassLoaded'),
106 'We see that TestClassLoaded is loaded after requiring it (it has methods but no $VERSION or @ISA)' );
110 require TestClassLoaded2;
111 ok( Class::MOP::is_class_loaded('TestClassLoaded2'),
112 'We see that TestClassLoaded2 is loaded after requiring it (it has a $VERSION but no methods or @ISA)' );
116 require TestClassLoaded3;
117 ok( Class::MOP::is_class_loaded('TestClassLoaded3'),
118 'We see that TestClassLoaded3 is loaded after requiring it (it has an @ISA but no methods or $VERSION)' );
127 ok( ! Class::MOP::is_class_loaded('Not::Loaded'),
128 'the mere existence of an @ISA for a package does not mean a class is loaded' );
137 ok( Class::MOP::is_class_loaded('Loaded::Ish'),
138 'an @ISA with members does mean a class is loaded' );
143 package Class::WithVersion;
147 ok( Class::MOP::is_class_loaded('Class::WithVersion', { -version => 13 }),
148 'version 23 satisfies version requirement 13' );
150 ok( !Class::MOP::is_class_loaded('Class::WithVersion', { -version => 42 }),
151 'version 23 does not satisfy version requirement 42' );
154 Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 42 });
155 }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_first_existing_class gives correct exception on old version' );
158 Class::MOP::load_first_existing_class('Affe', 'Tiger', 'Class::WithVersion' => { -version => 13 });
159 }, undef, 'loading class with required version with load_first_existing_class' );
162 Class::MOP::load_class('Class::WithVersion' => { -version => 42 });
163 }, qr/Class::WithVersion version 42 required--this is only version 23/, 'load_class gives correct exception on old version' );
166 Class::MOP::load_class('Class::WithVersion' => { -version => 13 });
167 }, undef, 'loading class with required version with load_class' );