add map test

core/src/netwerkprog/game/client/Map.java

@@ -2,6 +2,7 @@ package netwerkprog.game.client;
 
 public class Map {
     private char[][] map;
+    private int tileWidth = 16;
 
     public Map(int size) {
         this(size,size);
@@ -11,8 +12,30 @@ public class Map {
         this.map = new char[height][width];
     }
 
-    public char get(int x, int y) {
+    public void setTileWidth(int tileWidth) {
-        return this.map[y][x];
+        this.tileWidth = tileWidth;
+    }
+
+    public int getTileWidth() {
+        return tileWidth;
+    }
+
+    public char[][] get() {
+        return this.map;
+    }
+
+    /**
+     * gets the char at the specified position
+     * @param row the row of the element
+     * @param col the column of the element
+     * @return Character.MIN_VALUE if the element does not exist, the specified element otherwise.
+     */
+    public char get(int row, int col) {
+        return (row < this.map.length && col < this.map[0].length) ? this.map[row][col] : Character.MIN_VALUE;
+    }
+
+    public Map(char[][] map) {
+        this.map = map;
     }
 
     /**

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));
+    }
 }