Add rb_class2name

Author: sue445

testdata/dummy/ext/dummy/tests.go

@@ -10,6 +10,7 @@ VALUE rb_dummy_tests_rb_block_proc(VALUE self, VALUE arg);
 VALUE rb_dummy_tests_rb_funcall2(VALUE self, VALUE num, VALUE ndigits);
 VALUE rb_dummy_tests_rb_funcall3(VALUE self, VALUE num, VALUE ndigits);
 void  rb_dummy_tests_rb_alias(VALUE self, VALUE dst, VALUE src);
+VALUE rb_dummy_tests_rb_class2name(VALUE self);
 */
 import "C"
 
@@ -82,6 +83,13 @@ func rb_dummy_tests_rb_alias(klass C.VALUE, dst C.VALUE, src C.VALUE) {
 	ruby.RbAlias(ruby.VALUE(klass), dstID, srcID)
 }
 
+//export rb_dummy_tests_rb_class2name
+func rb_dummy_tests_rb_class2name(klass C.VALUE) C.VALUE {
+	str := ruby.RbClass2Name(ruby.VALUE(klass))
+	value := ruby.String2Value(str)
+	return C.VALUE(value)
+}
+
 // defineMethodsToDummyTests define methods in Dummy::Tests
 func defineMethodsToDummyTests(rb_mDummy ruby.VALUE) {
 	rb_cTests := ruby.RbDefineClassUnder(rb_mDummy, "Tests", ruby.VALUE(C.rb_cObject))
@@ -94,4 +102,5 @@ func defineMethodsToDummyTests(rb_mDummy ruby.VALUE) {
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_funcall2", C.rb_dummy_tests_rb_funcall2, 2)
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_funcall3", C.rb_dummy_tests_rb_funcall3, 2)
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_alias", C.rb_dummy_tests_rb_alias, 2)
+	ruby.RbDefineSingletonMethod(rb_cTests, "rb_class2name", C.rb_dummy_tests_rb_class2name, 0)
 }