diff --git a/dms/dms_test.go b/dms/dms_test.go
index 08266c2..e3ab0e2 100644
--- a/dms/dms_test.go
+++ b/dms/dms_test.go
@@ -7,7 +7,7 @@ import (
 )
 
 func TestDMS(t *testing.T) {
-	dms, err := New(LatLon{Latitude: 23.33, Longitude: 42.55})
+	dms, err := NewDMS(DecimalDegrees{Latitude: 23.33, Longitude: 42.55})
 	assert.Nil(t, err)
 
 	// test latitude
@@ -24,6 +24,24 @@ func TestDMS(t *testing.T) {
 	assert.Equal(t, dms.Longitude.direction, "E")
 	assert.Equal(t, dms.Longitude.String(), `42°32'59.9999999999898" E`)
 
-	// test full DMS
 	assert.Equal(t, dms.String(), `23°19'47.99999999999392" N 42°32'59.9999999999898" E`)
+
+	dms, err = NewDMS(DecimalDegrees{Latitude: -66.434323, Longitude: -115.25})
+	assert.Nil(t, err)
+
+	// test latitude
+	assert.Equal(t, dms.Latitude.degrees, 66)
+	assert.Equal(t, dms.Latitude.minutes, 26)
+	assert.Equal(t, dms.Latitude.seconds, 3.5628000000223814)
+	assert.Equal(t, dms.Latitude.direction, "S")
+	assert.Equal(t, dms.Latitude.String(), `66°26'3.5628000000223814" S`)
+
+	// test longitude
+	assert.Equal(t, dms.Longitude.degrees, 115)
+	assert.Equal(t, dms.Longitude.minutes, 15)
+	assert.Equal(t, dms.Longitude.seconds, 0.0)
+	assert.Equal(t, dms.Longitude.direction, "W")
+	assert.Equal(t, dms.Longitude.String(), `115°15'0" W`)
+
+	assert.Equal(t, dms.String(), `66°26'3.5628000000223814" S 115°15'0" W`)
 }