From 3d790aeddeb65691a3680c2f473cdff7d7b3a553 Mon Sep 17 00:00:00 2001
From: sahar <sahmaisary@yahoo.com>
Date: Mon, 7 Feb 2022 20:32:24 +0100
Subject: [PATCH 1/2] changes in the class

---
 src/test/java/device/usbPlayer/UsbPlayerTest.java | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/src/test/java/device/usbPlayer/UsbPlayerTest.java b/src/test/java/device/usbPlayer/UsbPlayerTest.java
index bf170fe..2768e73 100644
--- a/src/test/java/device/usbPlayer/UsbPlayerTest.java
+++ b/src/test/java/device/usbPlayer/UsbPlayerTest.java
@@ -10,19 +10,7 @@ class UsbPlayerTest {
     UsbPlayer up = new UsbPlayer();
 
 
-    @Test
-    void louder_test() {
-        up.setLautstaerke(40);
-        up.louder();
-        assertThat(up.getLautstaerke()).isEqualTo(41);
-    }
 
-    @Test
-    void quieter_test() {
-        up.setLautstaerke(40);
-        up.quieter();
-        assertThat(up.getLautstaerke()).isEqualTo(39);
-    }
 /*
     @Test
     void getVolume() {

From 0d4825e2d1961bb8ce71cef89a07d5ad259b3343 Mon Sep 17 00:00:00 2001
From: sahar <sahmaisary@yahoo.com>
Date: Mon, 7 Feb 2022 20:43:27 +0100
Subject: [PATCH 2/2] QuieterTest is implemented

---
 .../java/device/usbPlayer/UsbPlayerTest.java  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/test/java/device/usbPlayer/UsbPlayerTest.java b/src/test/java/device/usbPlayer/UsbPlayerTest.java
index 2768e73..b0dcdc7 100644
--- a/src/test/java/device/usbPlayer/UsbPlayerTest.java
+++ b/src/test/java/device/usbPlayer/UsbPlayerTest.java
@@ -1,6 +1,11 @@
 package device.usbPlayer;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.assertj.core.api.Assertions.assertThat;
@@ -9,7 +14,24 @@ class UsbPlayerTest {
 
     UsbPlayer up = new UsbPlayer();
 
+    @ParameterizedTest
+    @MethodSource("quieterOptions")
+    void quieterTest(String testName, UsbPlayer inputPlay, int expectedResult) {
+        int volumeNum = inputPlay.getLautstaerke();
+        assertThat(volumeNum).describedAs(testName).isEqualTo(expectedResult);
+    }
 
+    static Stream<Arguments> quieterOptions() {
+        UsbPlayer up1 = new UsbPlayer();
+        up1.quieter();
+        UsbPlayer up2 = new UsbPlayer();
+        up2.setLautstaerke(10);
+        up2.quieter();
+        return Stream.of(
+                Arguments.of("Volume must stay 0 ", up1, 0),
+                Arguments.of("Volume must be 9 ", up2, 9)
+        );
+    }
 
 /*
     @Test