add NewNullDecimal

shopspring · Oct 12, 2021 · 38c8188 · 38c8188
1 parent cc4584f
commit 38c8188
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/decimal.go b/decimal.go
@@ -1411,6 +1411,13 @@ type NullDecimal struct {
 	Valid   bool
 }
 
+func NewNullDecimal(d Decimal) NullDecimal {
+	return NullDecimal{
+		Decimal: d,
+		Valid:   true,
+	}
+}
+
 // Scan implements the sql.Scanner interface for database deserialization.
 func (d *NullDecimal) Scan(value interface{}) error {
 	if value == nil {

diff --git a/decimal_test.go b/decimal_test.go
@@ -3081,6 +3081,18 @@ func TestTan(t *testing.T) {
 	}
 }
 
+func TestNewNullDecimal(t *testing.T) {
+	d := NewFromInt(1)
+	nd := NewNullDecimal(d)
+
+	if !nd.Valid {
+		t.Errorf("expected NullDecimal to be valid")
+	}
+	if nd.Decimal != d {
+		t.Errorf("expected NullDecimal to hold the provided Decimal")
+	}
+}
+
 func ExampleNewFromFloat32() {
 	fmt.Println(NewFromFloat32(123.123123123123).String())
 	fmt.Println(NewFromFloat32(.123123123123123).String())