UsbPlayerTest.isAllAudioTestTest Sixth Case (aac)

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

@@ -76,7 +76,7 @@ public class UsbPlayer implements Device {
 
         for (int i = 0; i < Playlist.size(); i++) {
             song = Playlist.get(i).substring(Playlist.get(i).length() - 4);
-            if (song.equals(".mp3") | song.equals(".mp4")| song.equals(".m4a")| song.equals(".wav")| song.equals(".wma") ) {
+            if (song.equals(".mp3") | song.equals(".mp4")| song.equals(".m4a")| song.equals(".wav")| song.equals(".wma")| song.equals(".aac") ) {
                 flag = true;
             } else {
                 flag = false;

src/test/java/device/usbPlayer/UsbPlayerTest.java

@@ -282,12 +282,21 @@ class UsbPlayerTest {
         Pl3.add("Musik 02.wma");
         Pl3.add("Musik 03.wma");
         up5.setPlaylist(Pl3);
+        //aac
+        UsbPlayer up6 = new UsbPlayer();
+        ArrayList<String> Pl4 = new ArrayList<String>();
+        Pl4.add("Musik 01.aac");
+        Pl4.add("Musik 02.aac");
+        Pl4.add("Musik 03.aac");
+        up6.setPlaylist(Pl4);
+
         return Stream.of(
                 Arguments.of("Check if the Files are .mp3 ", up1.isAllAudio(), true),
                 Arguments.of("Check if the Files are .mp4 ", up2.isAllAudio(), true),
                 Arguments.of("Check if the Files are .m4a ", up3.isAllAudio(), true),
                 Arguments.of("Check if the Files are .wav ", up4.isAllAudio(), true),
-                Arguments.of("Check if the Files are .wma ", up5.isAllAudio(), true)
+                Arguments.of("Check if the Files are .wma ", up5.isAllAudio(), true),
+                Arguments.of("Check if the Files are .aac ", up6.isAllAudio(), true)
 
         );
     }