diff --git a/utils/decimal_test.go b/utils/decimal_test.go
index 2877089f4..1c4c1b8ae 100644
--- a/utils/decimal_test.go
+++ b/utils/decimal_test.go
@@ -69,6 +69,74 @@ func TestDecimalMarshalUnmarshalJSON(t *testing.T) {
 	rcv := a.Float64()
 	expected := 3.27
 	if expected != rcv {
-		t.Errorf("Expecting: %+v, received: %+v", expected, rcv)
+		t.Errorf("Expecting: <%+v>, received: <%+v>", expected, rcv)
+	}
+}
+
+func TestNewDecimalFromUint64(t *testing.T) {
+	expected := &Decimal{new(decimal.Big).SetUint64(18446744073709551615)}
+	received := NewDecimalFromUint64(18446744073709551615)
+	if !reflect.DeepEqual(expected, received) {
+		t.Errorf("Expecting: <%+v>, received: <%+v>", expected, received)
+	}
+}
+
+func TestNewDecimalDivide(t *testing.T) {
+	a := NewDecimal()
+	x := NewDecimalFromUint64(10)
+	y := NewDecimalFromUint64(5)
+	expected := NewDecimalFromUint64(2)
+	received := a.Divide(x, y)
+	if !reflect.DeepEqual(expected.Float64(), received.Float64()) {
+		t.Errorf("Expecting: <%+v>, received: <%+v>", expected.Float64(), received.Float64())
+	}
+}
+
+func TestNewDecimalMultiply(t *testing.T) {
+	a := NewDecimal()
+	x := NewDecimalFromUint64(10)
+	y := NewDecimalFromUint64(5)
+	expected := NewDecimalFromUint64(50)
+	received := a.Multiply(x, y)
+	if !reflect.DeepEqual(expected.Float64(), received.Float64()) {
+		t.Errorf("Expecting: <%+v>, received: <%+v>", expected.Float64(), received.Float64())
+	}
+}
+
+func TestNewDecimalAdd(t *testing.T) {
+	a := NewDecimal()
+	x := NewDecimalFromUint64(10)
+	y := NewDecimalFromUint64(5)
+	expected := NewDecimalFromUint64(15)
+	received := a.Add(x, y)
+	if !reflect.DeepEqual(expected.Float64(), received.Float64()) {
+		t.Errorf("Expecting: <%+v>, received: <%+v>", expected.Float64(), received.Float64())
+	}
+}
+
+func TestNewDecimalCompareEqual(t *testing.T) {
+	a := NewDecimalFromUint64(5)
+	y := NewDecimalFromUint64(5)
+	received := a.Compare(y)
+	if !reflect.DeepEqual(0, received) {
+		t.Errorf("Expecting: <0>, received: <%+v>", received)
+	}
+}
+
+func TestNewDecimalCompareGreaterThan(t *testing.T) {
+	a := NewDecimalFromUint64(5)
+	y := NewDecimalFromUint64(4)
+	received := a.Compare(y)
+	if !reflect.DeepEqual(1, received) {
+		t.Errorf("Expecting: <1>, received: <%+v>", received)
+	}
+}
+
+func TestNewDecimalCompareSmallerThan(t *testing.T) {
+	a := NewDecimalFromUint64(4)
+	y := NewDecimalFromUint64(5)
+	received := a.Compare(y)
+	if !reflect.DeepEqual(-1, received) {
+		t.Errorf("Expecting: <-1>, received: <%+v>", received)
 	}
 }
diff --git a/utils/reflect_test.go b/utils/reflect_test.go
index 9b637b2d8..e73d25554 100644
--- a/utils/reflect_test.go
+++ b/utils/reflect_test.go
@@ -897,3 +897,10 @@ func TestIfaceAsSliceString(t *testing.T) {
 		t.Errorf("Expected error %s ,received: %v", expError, err)
 	}
 }
+
+func TestReflectFieldInterfaceBadType(t *testing.T) {
+	_, err := ReflectFieldInterface(22, "22", "22")
+	if err == nil || err.Error() != "Unsupported field kind: int" {
+		t.Errorf("Expected <Unsupported field kind: int> ,received: <%+v>", err)
+	}
+}