use strict;
use warnings;
-use Test::More tests => 5;
+use Test::More tests => 11;
BEGIN {
use_ok('Class::C3');
+ # uncomment this line, and re-run the
+ # test to see the normal p5 dispatch order
+ #$Class::C3::TURN_OFF_C3 = 1;
}
+=pod
+
+This tests the classic diamond inheritence pattern.
+
+ <A>
+ / \
+<B> <C>
+ \ /
+ <D>
+
+=cut
+
{
package Diamond_A;
use Class::C3;
use Class::C3;
}
+Class::C3::initialize();
+
+
is_deeply(
[ Class::C3::calculateMRO('Diamond_D') ],
[ qw(Diamond_D Diamond_B Diamond_C Diamond_A) ],
'... got the right MRO for Diamond_D');
is(Diamond_D->hello, 'Diamond_C::hello', '... method resolved itself as expected');
+
is(Diamond_D->can('hello')->(), 'Diamond_C::hello', '... can(method) resolved itself as expected');
+is(UNIVERSAL::can("Diamond_D", 'hello')->(), 'Diamond_C::hello', '... can(method) resolved itself as expected');
+
+# now undo the C3
+Class::C3::uninitialize();
+
+is(Diamond_D->hello, 'Diamond_A::hello', '... old method resolution has been restored');
+
+is(Diamond_D->can('hello')->(), 'Diamond_A::hello', '... can(method) resolution has been restored');
+is(UNIVERSAL::can("Diamond_D", 'hello')->(), 'Diamond_A::hello', '... can(method) resolution has been restored');
+
+Class::C3::initialize();
+
+is(Diamond_D->hello, 'Diamond_C::hello', '... C3 method restored itself as expected');
-is(UNIVERSAL::can("Diamond_D", 'hello')->(), 'Diamond_C::hello', '... can(method) resolved itself as expected');
\ No newline at end of file
+is(Diamond_D->can('hello')->(), 'Diamond_C::hello', '... C3 can(method) restored itself as expected');
+is(UNIVERSAL::can("Diamond_D", 'hello')->(), 'Diamond_C::hello', '... C3 can(method) restored itself as expected');