feat(io): MusicLevel enum (Off/Low/Med/High)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-01 22:47:40 +02:00
parent 36f60863ad
commit d0e290c723
2 changed files with 55 additions and 0 deletions
--- a/Semesterprojekt/src/test/java/thb/jeanluc/adventure/io/MusicLevelTest.java
+++ b/Semesterprojekt/src/test/java/thb/jeanluc/adventure/io/MusicLevelTest.java
@@ -0,0 +1,29 @@
+package thb.jeanluc.adventure.io;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class MusicLevelTest {
+
+    @Test
+    void gainIncreasesWithLevel() {
+        assertThat(MusicLevel.LOW.gainDb()).isLessThan(MusicLevel.MEDIUM.gainDb());
+        assertThat(MusicLevel.MEDIUM.gainDb()).isLessThan(MusicLevel.HIGH.gainDb());
+    }
+
+    @Test
+    void isOnOnlyWhenNotOff() {
+        assertThat(MusicLevel.OFF.isOn()).isFalse();
+        assertThat(MusicLevel.LOW.isOn()).isTrue();
+        assertThat(MusicLevel.HIGH.isOn()).isTrue();
+    }
+
+    @Test
+    void nextCyclesThroughAllAndWraps() {
+        assertThat(MusicLevel.OFF.next()).isEqualTo(MusicLevel.LOW);
+        assertThat(MusicLevel.LOW.next()).isEqualTo(MusicLevel.MEDIUM);
+        assertThat(MusicLevel.MEDIUM.next()).isEqualTo(MusicLevel.HIGH);
+        assertThat(MusicLevel.HIGH.next()).isEqualTo(MusicLevel.OFF);
+    }
+}