1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/java/org/traccar/handler/DistanceHandlerTest.java b/src/test/java/org/traccar/handler/DistanceHandlerTest.java
new file mode 100644
index 000000000..f7c6e42cd
--- /dev/null
+++ b/src/test/java/org/traccar/handler/DistanceHandlerTest.java
@@ -0,0 +1,30 @@
+package org.traccar.handler;
+
+import org.junit.Test;
+import org.traccar.config.Config;
+import org.traccar.model.Position;
+
+import static org.junit.Assert.assertEquals;
+
+public class DistanceHandlerTest {
+
+    @Test
+    public void testCalculateDistance() {
+
+        DistanceHandler distanceHandler = new DistanceHandler(new Config(), null);
+
+        Position position = distanceHandler.handlePosition(new Position());
+
+        assertEquals(0.0, position.getAttributes().get(Position.KEY_DISTANCE));
+        assertEquals(0.0, position.getAttributes().get(Position.KEY_TOTAL_DISTANCE));
+
+        position.set(Position.KEY_DISTANCE, 100);
+
+        position = distanceHandler.handlePosition(position);
+
+        assertEquals(100.0, position.getAttributes().get(Position.KEY_DISTANCE));
+        assertEquals(100.0, position.getAttributes().get(Position.KEY_TOTAL_DISTANCE));
+
+    }
+
+}