add map test

core/src/test/java/MapTest.java

@@ -1,4 +1,45 @@
-package PACKAGE_NAME;
+import netwerkprog.game.client.Map;
+import org.junit.Assert;
+import org.junit.Test;
 
 public class MapTest {
+
+    @Test
+    public void testNull() {
+        Map map = new Map(null);
+
+        Assert.assertEquals(-1,map.getHeight());
+        Assert.assertEquals(-1,map.getWidth());
+    }
+
+    @Test
+    public void testWidthAndHeight() {
+        char[][] arr = new char[][] {
+                {'#','#','#','#'},
+                {'#','#','#','#'},
+                {'#','#','#','#'}
+        };
+
+        Map map = new Map(arr);
+
+        Assert.assertEquals(4,map.getWidth());
+        Assert.assertEquals(3,map.getHeight());
+    }
+
+    @Test
+    public void testGetElement() {
+        char[][] arr = new char[][] {
+                {'#','#','#','#'},
+                {'#','#','#','#'},
+                {'#','#','_','#'}
+        };
+
+        Map map = new Map(arr);
+
+        Assert.assertEquals('#',map.get(1,1));
+        Assert.assertEquals('_',map.get(2,2));
+        Assert.assertEquals(Character.MIN_VALUE,map.get(1,8));
+        Assert.assertEquals(Character.MIN_VALUE,map.get(4,2));
+        Assert.assertEquals(Character.MIN_VALUE,map.get(4,8));
+    }
 }