verison 0.01 of Class-C3
[gitmo/Class-C3.git] / t / 01_MRO.t
diff --git a/t/01_MRO.t b/t/01_MRO.t
new file mode 100644 (file)
index 0000000..925c3a4
--- /dev/null
@@ -0,0 +1,43 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 5;
+
+BEGIN {
+    use_ok('Class::C3');
+}
+
+{
+    package Diamond_A;
+    use Class::C3; 
+    sub hello { 'Diamond_A::hello' }
+}
+{
+    package Diamond_B;
+    use base 'Diamond_A';
+    use Class::C3;     
+}
+{
+    package Diamond_C;
+    use Class::C3;    
+    use base 'Diamond_A';     
+    
+    sub hello { 'Diamond_C::hello' }
+}
+{
+    package Diamond_D;
+    use base ('Diamond_B', 'Diamond_C');
+    use Class::C3;    
+}
+
+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');
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