fix broken tests due to enum issues and parsing

src/commonMain/kotlin/com/jillesvangurp/geo/GeoGeometry.kt

@@ -19,6 +19,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
+@file:Suppress("MemberVisibilityCanBePrivate")
+
 package com.jillesvangurp.geo
 
 import kotlin.math.*
@@ -1058,7 +1060,7 @@ class GeoGeometry {
          */
 
         fun toJson(point: DoubleArray): String {
-            return if (point.size == 0) {
+            return if (point.isEmpty()) {
                 "[]"
             } else {
                 "[" + point[0] + ','.toString() + point[1] + "]"

src/commonMain/kotlin/com/jillesvangurp/geo/geojson.kt

@@ -145,14 +145,25 @@ data class FeatureCollection(val features: List<Feature>, val bbox: BoundingBox?
  *
  * Note, the names are camel case in the spec and the enum name matches that.
  */
-enum class GeometryType(val geometryClass: KClass<*>) {
-    Point(PointGeometry::class),
-    MultiPoint(MultiPointGeometry::class),
-    LineString(LineStringGeometry::class),
-    MultiLineString(MultiLineStringGeometry::class),
-    Polygon(PolygonGeometry::class),
-    MultiPolygon(MultiPolygonGeometry::class),
-    GeometryCollection(GeometryCollection::class);
+enum class GeometryType() {
+
+    Point,
+    MultiPoint,
+    LineString,
+    MultiLineString,
+    Polygon,
+    MultiPolygon,
+    GeometryCollection;
+
+    fun clazz() : KClass<*> = when(this) {
+        Point -> PointGeometry::class
+        MultiPoint -> MultiPointGeometry::class
+        LineString -> LineStringGeometry::class
+        MultiLineString -> MultiLineStringGeometry::class
+        Polygon -> PolygonGeometry::class
+        MultiPolygon -> MultiPolygonGeometry::class
+        GeometryCollection -> GeometryCollection::class
+    }
 }
 
 data class PointGeometry(val coordinates: PointCoordinates?, val bbox: BoundingBox? = null) : Geometry {