getOptions from CDPlayer tested on Returning Null.

changes in the Interface 0.3.

src/main/java/device/Device.java

@@ -14,7 +14,7 @@ public interface Device {
 	//get an Item of the Album
 	String chooseItem(int itemNr);
 	// get the actual album
-	String getItemList();
+	String[] getItemList();
 	String play();
 
 	}

src/main/java/device/cdPlayer/CDPlayer.java

@@ -69,7 +69,7 @@ public class CDPlayer implements Device {
 
     @Override
     public String[] getOptions() {
-        return loadedCD.getPlayList();
+        return new String[]{};
     }
 
     @Override
@@ -78,8 +78,8 @@ public class CDPlayer implements Device {
     }
 
     @Override
-    public String getItemList() {
-        return null;
+    public String[] getItemList() {
+        return loadedCD.getPlayList();
     }
 
     @Override

src/main/java/device/radioPlayer/RadioPlayer.java

@@ -162,7 +162,7 @@ public class RadioPlayer implements Device {
     }
 
     @Override
-    public String getItemList() {
+    public String[] getItemList() {
         return null;
     }
 

src/main/java/device/usbPlayer/UsbPlayer.java

@@ -156,7 +156,7 @@ public class UsbPlayer implements Device {
     }
 
     @Override
-    public String getItemList() {
+    public String[] getItemList() {
         return null;
     }
 

src/test/java/device/cdPlayer/CDPlayerTest.java

@@ -193,7 +193,7 @@ class CDPlayerTest {
         return Stream.of(
                 Arguments.of("[getActualPlayTrack() after 1x next() starting by firstSong] => SecondSongSelected","SecondSongSelected", cdPlayer1, 1, cdPlayer1.getSongByNumber(1)),
                 Arguments.of("[getActualPlayTrack() after 2x next() starting by firstSong] => ThirdSongSelected","ThirdSongSelected" ,cdPlayer2,2,cdPlayer2.getSongByNumber(2)),
-                Arguments.of("[getActualPlayTrack() after 1x next() starting by lastSong] => FirstSongSelected","FirstSongSelected", cdPlayer3,cdPlayer3.getOptions().length,cdPlayer3.getSongByNumber(0))
+                Arguments.of("[getActualPlayTrack() after 1x next() starting by lastSong] => FirstSongSelected","FirstSongSelected", cdPlayer3,cdPlayer3.getItemList().length,cdPlayer3.getSongByNumber(0))
         );
     }
 
@@ -228,4 +228,19 @@ class CDPlayerTest {
                 Arguments.of("[getActualPlayTrack() after 1x prev() starting by firstSong] => FirstSongSelected", "StartingByFirstSong", cdPlayer1, 1, cdPlayer1.getSongByNumber(0))
         );
     }
+
+    @ParameterizedTest
+    @MethodSource("getOptionsTestData")
+    void getOptionsTest(String testName,String testDirection, CDPlayer _cdPlayer, String expectedResult){
+        assertThat(_cdPlayer.getOptions()).describedAs(testName).isNotEqualTo(null);
+    }
+    static Stream<Arguments> getOptionsTestData () {
+        CDPlayer cdPlayer1 = new CDPlayer();
+        return Stream.of(
+                Arguments.of("[getOptions(): shouldNotReturnsNull] => ReturnValueNotNull", "ReturnValueNotNull", cdPlayer1,null)
+        );
+    }
+
+
+
 }