diff --git a/cl/_testmockc/function/in.h b/cl/_testc/function/in.h
similarity index 100%
rename from cl/_testmockc/function/in.h
rename to cl/_testc/function/in.h
diff --git a/cl/_testmockc/function/out.go b/cl/_testc/function/out.go
similarity index 100%
rename from cl/_testmockc/function/out.go
rename to cl/_testc/function/out.go
diff --git a/cl/_testmockc/inline/in.cfg b/cl/_testc/inline/in.cfg
similarity index 100%
rename from cl/_testmockc/inline/in.cfg
rename to cl/_testc/inline/in.cfg
diff --git a/cl/_testmockc/inline/in.h b/cl/_testc/inline/in.h
similarity index 100%
rename from cl/_testmockc/inline/in.h
rename to cl/_testc/inline/in.h
diff --git a/cl/_testmockc/inline/out.go b/cl/_testc/inline/out.go
similarity index 100%
rename from cl/_testmockc/inline/out.go
rename to cl/_testc/inline/out.go
diff --git a/cl/_testmockc/type/in.cfg b/cl/_testc/type/in.cfg
similarity index 100%
rename from cl/_testmockc/type/in.cfg
rename to cl/_testc/type/in.cfg
diff --git a/cl/_testmockc/type/in.h b/cl/_testc/type/in.h
similarity index 100%
rename from cl/_testmockc/type/in.h
rename to cl/_testc/type/in.h
diff --git a/cl/_testmockc/type/out.go b/cl/_testc/type/out.go
similarity index 100%
rename from cl/_testmockc/type/out.go
rename to cl/_testc/type/out.go
diff --git a/cl/_testmockcpp/fields/in.h b/cl/_testcpp/fields/in.h
similarity index 100%
rename from cl/_testmockcpp/fields/in.h
rename to cl/_testcpp/fields/in.h
diff --git a/cl/_testmockcpp/fields/out.go b/cl/_testcpp/fields/out.go
similarity index 100%
rename from cl/_testmockcpp/fields/out.go
rename to cl/_testcpp/fields/out.go
diff --git a/cl/_testmockcpp/inline/in.cfg b/cl/_testcpp/inline/in.cfg
similarity index 100%
rename from cl/_testmockcpp/inline/in.cfg
rename to cl/_testcpp/inline/in.cfg
diff --git a/cl/_testmockcpp/inline/in.h b/cl/_testcpp/inline/in.h
similarity index 100%
rename from cl/_testmockcpp/inline/in.h
rename to cl/_testcpp/inline/in.h
diff --git a/cl/_testmockcpp/inline/out.go b/cl/_testcpp/inline/out.go
similarity index 100%
rename from cl/_testmockcpp/inline/out.go
rename to cl/_testcpp/inline/out.go
diff --git a/cl/_testmockcpp/methods/in.h b/cl/_testcpp/methods/in.h
similarity index 100%
rename from cl/_testmockcpp/methods/in.h
rename to cl/_testcpp/methods/in.h
diff --git a/cl/_testmockcpp/methods/out.go b/cl/_testcpp/methods/out.go
similarity index 100%
rename from cl/_testmockcpp/methods/out.go
rename to cl/_testcpp/methods/out.go
diff --git a/cl/_testmockcpp/overload_fn/in.h b/cl/_testcpp/overload_fn/in.h
similarity index 100%
rename from cl/_testmockcpp/overload_fn/in.h
rename to cl/_testcpp/overload_fn/in.h
diff --git a/cl/_testmockcpp/overload_fn/out.go b/cl/_testcpp/overload_fn/out.go
similarity index 100%
rename from cl/_testmockcpp/overload_fn/out.go
rename to cl/_testcpp/overload_fn/out.go
diff --git a/cl/_testcpp/overload_mthd/in.h b/cl/_testcpp/overload_mthd/in.h
new file mode 100644
index 00000000..2be0df95
--- /dev/null
+++ b/cl/_testcpp/overload_mthd/in.h
@@ -0,0 +1,6 @@
+class bar
+{
+public:
+	unsigned f(int a);
+	void f();
+};
diff --git a/cl/_testcpp/overload_mthd/out.go b/cl/_testcpp/overload_mthd/out.go
new file mode 100644
index 00000000..33d0c8d9
--- /dev/null
+++ b/cl/_testcpp/overload_mthd/out.go
@@ -0,0 +1,17 @@
+package foo
+
+import "github.com/goplus/lib/c"
+
+const XGoPackage = true
+
+type Bar struct {
+}
+
+// llgo:link (*Bar).F__1 C._ZN3bar1fEi
+func (this *Bar) F__1(a c.Int) c.Uint {
+	return 0
+}
+
+// llgo:link (*Bar).F__0 C._ZN3bar1fEv
+func (this *Bar) F__0() {
+}
diff --git a/cl/_testmockcpp/struct/in.h b/cl/_testcpp/struct/in.h
similarity index 100%
rename from cl/_testmockcpp/struct/in.h
rename to cl/_testcpp/struct/in.h
diff --git a/cl/_testmockcpp/struct/out.go b/cl/_testcpp/struct/out.go
similarity index 100%
rename from cl/_testmockcpp/struct/out.go
rename to cl/_testcpp/struct/out.go
diff --git a/cl/compile_test.go b/cl/compile_test.go
index 5443e728..91cf20e7 100644
--- a/cl/compile_test.go
+++ b/cl/compile_test.go
@@ -82,12 +82,12 @@ func testFromDir(t *testing.T, sel, relDir string, lang cl.Language) {
 	})
 }
 
-func TestMockC(t *testing.T) {
-	testFromDir(t, "", "./_testmockc", cl.LanguageC)
+func TestC(t *testing.T) {
+	testFromDir(t, "", "./_testc", cl.LanguageC)
 }
 
-func TestMockCpp(t *testing.T) {
-	testFromDir(t, "", "./_testmockcpp", cl.LanguageCXX)
+func TestCpp(t *testing.T) {
+	testFromDir(t, "", "./_testcpp", cl.LanguageCXX)
 }
 
 // -----------------------------------------------------------------------------