diff --git a/validator/any_test.go b/validator/any_test.go
index d612047..4ec04f1 100644
--- a/validator/any_test.go
+++ b/validator/any_test.go
@@ -2,11 +2,24 @@ package validator_test
 
 import (
 	"fmt"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestAny_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.AnyType{}
+		expected = reflect.TypeOf(interface{}(nil))
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestAny_AvailableTypes(t *testing.T) {
 	t.Parallel()
 
diff --git a/validator/bool_test.go b/validator/bool_test.go
index 8600d34..f34819d 100644
--- a/validator/bool_test.go
+++ b/validator/bool_test.go
@@ -2,11 +2,24 @@ package validator_test
 
 import (
 	"fmt"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestBool_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.BoolType{}
+		expected = reflect.TypeOf(true)
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestBool_AvailableTypes(t *testing.T) {
 	t.Parallel()
 
diff --git a/validator/float_test.go b/validator/float_test.go
index b965441..1a77949 100644
--- a/validator/float_test.go
+++ b/validator/float_test.go
@@ -3,11 +3,24 @@ package validator_test
 import (
 	"fmt"
 	"math"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestFloat64_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.FloatType{}
+		expected = reflect.TypeOf(float64(0.0))
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestFloat64_AvailableTypes(t *testing.T) {
 	t.Parallel()
 
diff --git a/validator/int_test.go b/validator/int_test.go
index 14dc515..b99afea 100644
--- a/validator/int_test.go
+++ b/validator/int_test.go
@@ -3,11 +3,24 @@ package validator_test
 import (
 	"fmt"
 	"math"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestInt_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.IntType{}
+		expected = reflect.TypeOf(int(0))
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestInt_AvailableTypes(t *testing.T) {
 	t.Parallel()
 
diff --git a/validator/string_test.go b/validator/string_test.go
index 0a038ef..deb8ec1 100644
--- a/validator/string_test.go
+++ b/validator/string_test.go
@@ -2,11 +2,24 @@ package validator_test
 
 import (
 	"fmt"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestString_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.StringType{}
+		expected = reflect.TypeOf(string("abc"))
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestString_AvailableTypes(t *testing.T) {
 	t.Parallel()
 
diff --git a/validator/uint_test.go b/validator/uint_test.go
index 4fc9be9..d754124 100644
--- a/validator/uint_test.go
+++ b/validator/uint_test.go
@@ -3,11 +3,24 @@ package validator_test
 import (
 	"fmt"
 	"math"
+	"reflect"
 	"testing"
 
 	"github.com/xdrm-io/aicra/validator"
 )
 
+func TestUint_ReflectType(t *testing.T) {
+	t.Parallel()
+
+	var (
+		dt       = validator.UintType{}
+		expected = reflect.TypeOf(uint(0))
+	)
+	if dt.GoType() != expected {
+		t.Fatalf("invalid GoType() %v ; expected %v", dt.GoType(), expected)
+	}
+}
+
 func TestUint_AvailableTypes(t *testing.T) {
 	t.Parallel()