fixed (bug) Audio not looping after ending.

tests/test_audio.cpp

@@ -59,3 +59,14 @@ TEST(AudioTest, AudioManagerVolumeClamping) {
     am.shutdown();
     std::filesystem::remove(temp_path);
 }
+
+TEST(AudioTest, PlayOptionsLoopInfinite) {
+    // Regression: MIX_PlayTrack() must not default to a single pass. Tracks
+    // have to loop forever so playback never runs out mid-scroll; a track that
+    // stops (rather than attenuates) also can't be revived by raising app
+    // volume. Assert the options request infinite looping (-1).
+    SDL_PropertiesID props = AudioManager::createInfiniteLoopOptions();
+    ASSERT_NE(props, 0u);
+    EXPECT_EQ(SDL_GetNumberProperty(props, MIX_PROP_PLAY_LOOPS_NUMBER, 0), -1);
+    SDL_DestroyProperties(props);
+}

tests/test_scroller_streams.cpp

@@ -94,6 +94,62 @@ TEST(ScrollerStreamsTest, InterleavesSelectedWithDefault)
     EXPECT_EQ(streams[3].audioFilename, "OriginalAudio.wav");
 }
 
+TEST(ScrollerStreamsTest, InterleavedListCyclesBackToFirstSelected)
+{
+    // Three selected proclamations: the built list must be
+    // [S1, Default, S2, Default, S3, Default]. ScrollerPage advances through
+    // this list with a modulo, so once the trailing default finishes the cycle
+    // restarts at the FIRST selected proclamation — the "always on" default
+    // must never accumulate or take over the queue.
+    ProclamationRecord b;
+    b.id = "B";
+    b.title = "B";
+    b.content = "bbbb";
+    b.selected = true;
+    b.solfeggio_frequency_id = 2;
+
+    ProclamationRecord c;
+    c.id = "C";
+    c.title = "C";
+    c.content = "cccc";
+    c.selected = true;
+    c.solfeggio_frequency_id = 3;
+
+    ProclamationRecord d;
+    d.id = "D";
+    d.title = "D";
+    d.content = "dddd";
+    d.selected = true;
+    d.solfeggio_frequency_id = 4;
+
+    ProclamationRecord def;
+    def.id = kDefaultId;
+    def.title = "Default";
+    def.content = "dddddddddd";
+    def.selected = true;
+    def.solfeggio_frequency_id = 5;
+
+    auto streams = buildStreams({b, def, c, d}, {}, palette(), {}, kDefaultId);
+
+    ASSERT_EQ(streams.size(), 6u);
+    EXPECT_EQ(streams[0].name, "B");
+    EXPECT_EQ(streams[1].name, "Default");
+    EXPECT_EQ(streams[2].name, "C");
+    EXPECT_EQ(streams[3].name, "Default");
+    EXPECT_EQ(streams[4].name, "D");
+    EXPECT_EQ(streams[5].name, "Default");
+
+    // Every default copy is independent playback state (fresh counters), so a
+    // copy finishing its passes advances to the next stream rather than
+    // restarting "the default" forever.
+    for (size_t i = 1; i < streams.size(); i += 2) {
+        EXPECT_EQ(streams[i].name, "Default");
+        EXPECT_EQ(streams[i].completed, 0) << "default copy " << i;
+        EXPECT_EQ(streams[i].wordsPlaced, 0) << "default copy " << i;
+        EXPECT_EQ(streams[i].repeat, kDefaultRepeatCount) << "default copy " << i;
+    }
+}
+
 TEST(ScrollerStreamsTest, DefaultOnlyWhenNothingSelected)
 {
     ProclamationRecord p1;