Add unit tests for control events serialization

Add missing tests for serialization and deserialization of control
events.

app/tests/test_control_event_serialize.c

@@ -133,11 +133,59 @@ static void test_serialize_scroll_event(void) {
     assert(!memcmp(buf, expected, sizeof(expected)));
 }
 
+static void test_serialize_back_or_screen_on_event(void) {
+    struct control_event event = {
+        .type = CONTROL_EVENT_TYPE_BACK_OR_SCREEN_ON,
+    };
+
+    unsigned char buf[CONTROL_EVENT_SERIALIZED_MAX_SIZE];
+    int size = control_event_serialize(&event, buf);
+    assert(size == 1);
+
+    const unsigned char expected[] = {
+        0x04, // CONTROL_EVENT_TYPE_BACK_OR_SCREEN_ON
+    };
+    assert(!memcmp(buf, expected, sizeof(expected)));
+}
+
+static void test_serialize_expand_notification_panel_event(void) {
+    struct control_event event = {
+        .type = CONTROL_EVENT_TYPE_EXPAND_NOTIFICATION_PANEL,
+    };
+
+    unsigned char buf[CONTROL_EVENT_SERIALIZED_MAX_SIZE];
+    int size = control_event_serialize(&event, buf);
+    assert(size == 1);
+
+    const unsigned char expected[] = {
+        0x05, // CONTROL_EVENT_TYPE_EXPAND_NOTIFICATION_PANEL
+    };
+    assert(!memcmp(buf, expected, sizeof(expected)));
+}
+
+static void test_serialize_collapse_notification_panel_event(void) {
+    struct control_event event = {
+        .type = CONTROL_EVENT_TYPE_COLLAPSE_NOTIFICATION_PANEL,
+    };
+
+    unsigned char buf[CONTROL_EVENT_SERIALIZED_MAX_SIZE];
+    int size = control_event_serialize(&event, buf);
+    assert(size == 1);
+
+    const unsigned char expected[] = {
+        0x06, // CONTROL_EVENT_TYPE_COLLAPSE_NOTIFICATION_PANEL
+    };
+    assert(!memcmp(buf, expected, sizeof(expected)));
+}
+
 int main(void) {
     test_serialize_keycode_event();
     test_serialize_text_event();
     test_serialize_long_text_event();
     test_serialize_mouse_event();
     test_serialize_scroll_event();
+    test_serialize_back_or_screen_on_event();
+    test_serialize_expand_notification_panel_event();
+    test_serialize_collapse_notification_panel_event();
     return 0;
 }

server/src/test/java/com/genymobile/scrcpy/ControlEventReaderTest.java

@@ -97,6 +97,83 @@ public class ControlEventReaderTest {
         Assert.assertEquals(KeyEvent.META_CTRL_ON, event.getMetaState());
     }
 
+    @Test
+    @SuppressWarnings("checkstyle:MagicNumber")
+    public void testParseScrollEvent() throws IOException {
+        ControlEventReader reader = new ControlEventReader();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlEvent.TYPE_SCROLL);
+        dos.writeInt(260);
+        dos.writeInt(1026);
+        dos.writeShort(1080);
+        dos.writeShort(1920);
+        dos.writeInt(1);
+        dos.writeInt(-1);
+
+        byte[] packet = bos.toByteArray();
+
+        reader.readFrom(new ByteArrayInputStream(packet));
+        ControlEvent event = reader.next();
+
+        Assert.assertEquals(ControlEvent.TYPE_SCROLL, event.getType());
+        Assert.assertEquals(260, event.getPosition().getPoint().getX());
+        Assert.assertEquals(1026, event.getPosition().getPoint().getY());
+        Assert.assertEquals(1080, event.getPosition().getScreenSize().getWidth());
+        Assert.assertEquals(1920, event.getPosition().getScreenSize().getHeight());
+        Assert.assertEquals(1, event.getHScroll());
+        Assert.assertEquals(-1, event.getVScroll());
+    }
+
+    @Test
+    public void testParseBackOrScreenOnEvent() throws IOException {
+        ControlEventReader reader = new ControlEventReader();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlEvent.TYPE_BACK_OR_SCREEN_ON);
+
+        byte[] packet = bos.toByteArray();
+
+        reader.readFrom(new ByteArrayInputStream(packet));
+        ControlEvent event = reader.next();
+
+        Assert.assertEquals(ControlEvent.TYPE_BACK_OR_SCREEN_ON, event.getType());
+    }
+
+    @Test
+    public void testParseExpandNotificationPanelEvent() throws IOException {
+        ControlEventReader reader = new ControlEventReader();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlEvent.TYPE_EXPAND_NOTIFICATION_PANEL);
+
+        byte[] packet = bos.toByteArray();
+
+        reader.readFrom(new ByteArrayInputStream(packet));
+        ControlEvent event = reader.next();
+
+        Assert.assertEquals(ControlEvent.TYPE_EXPAND_NOTIFICATION_PANEL, event.getType());
+    }
+
+    @Test
+    public void testParseCollapseNotificationPanelEvent() throws IOException {
+        ControlEventReader reader = new ControlEventReader();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlEvent.TYPE_COLLAPSE_NOTIFICATION_PANEL);
+
+        byte[] packet = bos.toByteArray();
+
+        reader.readFrom(new ByteArrayInputStream(packet));
+        ControlEvent event = reader.next();
+
+        Assert.assertEquals(ControlEvent.TYPE_COLLAPSE_NOTIFICATION_PANEL, event.getType());
+    }
+
     @Test
     public void testMultiEvents() throws IOException {
         ControlEventReader reader = new ControlEventReader();