it: test window gains kb focus when mapped

src/it/tests/t0007_subsurface.rs

@@ -9,6 +9,7 @@ use {
 
 testcase!();
 
+/// Test subsurface positioning
 async fn test(run: Rc<TestRun>) -> Result<(), TestError> {
     run.backend.install_default();
 

src/it/tests/t0008_map_focus.rs

@@ -0,0 +1,27 @@
+use {
+    crate::it::{
+        test_error::{TestError, TestErrorExt},
+        testrun::TestRun,
+    },
+    std::rc::Rc,
+};
+
+testcase!();
+
+async fn test(run: Rc<TestRun>) -> Result<(), TestError> {
+    let ds = run.create_default_setup().await?;
+    ds.mouse.rel(1.0, 1.0);
+
+    let client = run.create_client().await?;
+    let default_seat = client.get_default_seat().await?;
+
+    let enter = default_seat.kb.enter.expect()?;
+
+    let window = client.create_window().await?;
+    window.map().await?;
+
+    let enter = enter.next().with_context(|| "Did not enter")?;
+    tassert_eq!(enter.surface, window.surface.id);
+
+    Ok(())
+}