diff --git a/snowflake_test.go b/snowflake_test.go
new file mode 100644
index 0000000..6016207
--- /dev/null
+++ b/snowflake_test.go
@@ -0,0 +1,54 @@
+package snowflake
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+type test struct {
+	Snowflake Snowflake `json:"snowflake,omitempty"`
+}
+
+func TestParse(t *testing.T) {
+	require := require.New(t)
+
+	raw := "829388262825132092"
+	s, err := Parse(raw)
+
+	require.NoError(err)
+
+	fmt.Println(s)
+}
+
+func TestSnowflake_UnmarshalJSONWithInt(t *testing.T) {
+	require := require.New(t)
+
+	raw, test := "{\"snowflake\": 829388262825132092}", new(test)
+
+	err := json.Unmarshal([]byte(raw), &test)
+	require.NoError(err)
+
+	fmt.Println(test.Snowflake)
+}
+
+func TestSnowflake_UnmarshalJSONWithString(t *testing.T) {
+	require := require.New(t)
+
+	raw, test := "{\"snowflake\": \"829388262825132092\"}", new(test)
+
+	err := json.Unmarshal([]byte(raw), &test)
+	require.NoError(err)
+
+	fmt.Println(test.Snowflake)
+}
+
+func TestSnowflake_UnmarshalJSONWithNonsense(t *testing.T) {
+	require := require.New(t)
+
+	raw, test := "{\"snowflake\": true}", new(test)
+
+	err := json.Unmarshal([]byte(raw), &test)
+	require.Error(err)
+}