tree: switch workspace by scrolling

src/it/tests/t0016_scroll_ws.rs

@@ -0,0 +1,37 @@
+use {
+    crate::it::{
+        test_error::{TestErrorExt, TestResult},
+        testrun::TestRun,
+    },
+    std::rc::Rc,
+};
+
+testcase!();
+
+async fn test(run: Rc<TestRun>) -> TestResult {
+    let ds = run.create_default_setup().await?;
+    run.cfg.show_workspace(ds.seat.id(), "1")?;
+
+    let client = run.create_client().await?;
+    let dss = client.get_default_seat().await?;
+
+    let w1 = client.create_window().await?;
+    w1.map().await?;
+
+    run.cfg.show_workspace(ds.seat.id(), "2")?;
+
+    let w2 = client.create_window().await?;
+    w2.map().await?;
+
+    let enters = dss.kb.enter.expect()?;
+
+    ds.mouse.abs(&ds.connector, 0.0, 0.0);
+    ds.mouse.scroll(-1);
+
+    client.sync().await;
+
+    let enter = enters.next().with_context(|| "no enter")?;
+    tassert_eq!(enter.surface, w1.surface.id);
+
+    Ok(())
+}