Implemented marker visualisation from XML in ResizableRaceCanvas

- Replaced and deprecated Constants
- Added getMarkers to RaceDataSource interface
- Added boundary testing for source data

#story[782]

visualiser/src/test/java/seng302/Mock/StreamedRaceTest.java

@@ -1,13 +1,16 @@
 package seng302.Mock;
 
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import seng302.GPSCoordinate;
 import seng302.Model.Leg;
+import seng302.Model.Marker;
 
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 /**
@@ -75,4 +78,21 @@ public class StreamedRaceTest {
         };
         for(int i = 0; i < legs.size(); i++) assertEquals(expectedNames[i], legs.get(i).getName());
     }
+
+    /**
+     * raceTest.xml is not compliant with this test. Markers are positioned far out of bounds.
+     */
+    @Test
+    public void markersWithinRaceBoundaries() {
+        GPSCoordinate topLeft = streamedCourseXMLReader.getMapTopLeft();
+        GPSCoordinate bottomRight = streamedCourseXMLReader.getMapBottomRight();
+
+        for(Marker marker: streamedCourseXMLReader.getMarkers()) {
+            GPSCoordinate centre = marker.getAverageGPSCoordinate();
+            assertTrue(centre.getLatitude() < bottomRight.getLatitude());
+            assertTrue(centre.getLatitude() > topLeft.getLatitude());
+            assertTrue(centre.getLongitude() > bottomRight.getLongitude());
+            assertTrue(centre.getLongitude() < topLeft.getLongitude());
+        }
+    }
 }