it: test window gains kb focus when mapped

src/it/test_backend.rs

@@ -7,8 +7,10 @@ use {
             Mode, MonitorInfo, TransformMatrix,
         },
         compositor::TestFuture,
+        fixed::Fixed,
         render::{RenderContext, RenderError},
         state::State,
+        time::Time,
         utils::{
             clonecell::CloneCell, copyhashmap::CopyHashMap, oserror::OsError, syncqueue::SyncQueue,
         },
@@ -36,11 +38,13 @@ pub struct TestBackend {
     pub state: Rc<State>,
     pub test_future: TestFuture,
     pub default_connector: Rc<TestConnector>,
+    pub default_mouse: Rc<TestBackendMouse>,
+    pub default_kb: Rc<TestBackendKb>,
 }
 
 impl TestBackend {
     pub fn new(state: &Rc<State>, future: TestFuture) -> Self {
-        let connector = Rc::new(TestConnector {
+        let default_connector = Rc::new(TestConnector {
             id: state.connector_ids.next(),
             kernel_id: ConnectorKernelId {
                 ty: ConnectorType::VGA,
@@ -49,10 +53,44 @@ impl TestBackend {
             events: Default::default(),
             on_change: Default::default(),
         });
+        let default_mouse = Rc::new(TestBackendMouse {
+            common: TestInputDeviceCommon {
+                id: state.input_device_ids.next(),
+                removed: Cell::new(false),
+                events: Default::default(),
+                on_change: Default::default(),
+                capabilities: {
+                    let chm = CopyHashMap::new();
+                    chm.set(InputDeviceCapability::Pointer, ());
+                    chm
+                },
+                name: Rc::new("default-mouse".to_string()),
+            },
+            transform_matrix: Cell::new([[1.0, 0.0], [0.0, 1.0]]),
+            accel_speed: Cell::new(1.0),
+            accel_profile: Cell::new(InputDeviceAccelProfile::Flat),
+            left_handed: Cell::new(false),
+        });
+        let default_kb = Rc::new(TestBackendKb {
+            common: TestInputDeviceCommon {
+                id: state.input_device_ids.next(),
+                removed: Cell::new(false),
+                events: Default::default(),
+                on_change: Default::default(),
+                capabilities: {
+                    let chm = CopyHashMap::new();
+                    chm.set(InputDeviceCapability::Keyboard, ());
+                    chm
+                },
+                name: Rc::new("default-keyboard".to_string()),
+            },
+        });
         Self {
             state: state.clone(),
             test_future: future,
-            default_connector: connector,
+            default_connector,
+            default_mouse,
+            default_kb,
         }
     }
 
@@ -76,6 +114,12 @@ impl TestBackend {
                 width_mm: 80,
                 height_mm: 60,
             }));
+        self.state
+            .backend_events
+            .push(BackendEvent::NewInputDevice(self.default_kb.clone()));
+        self.state
+            .backend_events
+            .push(BackendEvent::NewInputDevice(self.default_mouse.clone()));
     }
 
     fn create_render_context(&self) -> Result<(), TestBackendError> {
@@ -189,50 +233,47 @@ impl Connector for TestConnector {
     }
 }
 
-pub struct TestInputDevice {
-    pub id: InputDeviceId,
-    pub remove: Cell<bool>,
-    pub events: SyncQueue<InputEvent>,
-    pub on_change: CloneCell<Option<Rc<dyn Fn()>>>,
-    pub capabilities: CopyHashMap<InputDeviceCapability, ()>,
+pub struct TestBackendMouse {
+    pub common: TestInputDeviceCommon,
     pub transform_matrix: Cell<TransformMatrix>,
-    pub name: Rc<String>,
     pub accel_speed: Cell<f64>,
     pub accel_profile: Cell<InputDeviceAccelProfile>,
     pub left_handed: Cell<bool>,
 }
 
-impl InputDevice for TestInputDevice {
-    fn id(&self) -> InputDeviceId {
-        self.id
+impl TestBackendMouse {
+    pub fn rel(&self, dx: f64, dy: f64) {
+        self.common.event(InputEvent::Motion {
+            time_usec: Time::now_unchecked().usec(),
+            dx: Fixed::from_f64(dx * self.accel_speed.get()),
+            dy: Fixed::from_f64(dy * self.accel_speed.get()),
+            dx_unaccelerated: Fixed::from_f64(dx),
+            dy_unaccelerated: Fixed::from_f64(dy),
+        })
     }
+}
 
-    fn removed(&self) -> bool {
-        self.remove.get()
+pub struct TestBackendKb {
+    pub common: TestInputDeviceCommon,
+}
+
+impl TestInputDevice for TestBackendKb {
+    fn common(&self) -> &TestInputDeviceCommon {
+        &self.common
     }
+}
 
-    fn event(&self) -> Option<InputEvent> {
-        self.events.pop()
-    }
-
-    fn on_change(&self, cb: Rc<dyn Fn()>) {
-        self.on_change.set(Some(cb));
-    }
-
-    fn grab(&self, _grab: bool) {
-        // nothing
-    }
-
-    fn has_capability(&self, cap: InputDeviceCapability) -> bool {
-        self.capabilities.contains(&cap)
+impl TestInputDevice for TestBackendMouse {
+    fn common(&self) -> &TestInputDeviceCommon {
+        &self.common
     }
 
     fn set_left_handed(&self, left_handed: bool) {
-        self.left_handed.set(left_handed);
+        self.left_handed.set(left_handed)
     }
 
     fn set_accel_profile(&self, profile: InputDeviceAccelProfile) {
-        self.accel_profile.set(profile);
+        self.accel_profile.set(profile)
     }
 
     fn set_accel_speed(&self, speed: f64) {
@@ -242,8 +283,88 @@ impl InputDevice for TestInputDevice {
     fn set_transform_matrix(&self, matrix: TransformMatrix) {
         self.transform_matrix.set(matrix);
     }
+}
 
-    fn name(&self) -> Rc<String> {
-        self.name.clone()
+pub struct TestInputDeviceCommon {
+    pub id: InputDeviceId,
+    pub removed: Cell<bool>,
+    pub events: SyncQueue<InputEvent>,
+    pub on_change: CloneCell<Option<Rc<dyn Fn()>>>,
+    pub capabilities: CopyHashMap<InputDeviceCapability, ()>,
+    pub name: Rc<String>,
+}
+
+impl TestInputDeviceCommon {
+    pub fn event(&self, e: InputEvent) {
+        self.events.push(e);
+        if let Some(oc) = self.on_change.get() {
+            oc();
+        }
+    }
+}
+
+trait TestInputDevice: InputDevice {
+    fn common(&self) -> &TestInputDeviceCommon;
+
+    fn set_left_handed(&self, left_handed: bool) {
+        let _ = left_handed;
+    }
+
+    fn set_accel_profile(&self, profile: InputDeviceAccelProfile) {
+        let _ = profile;
+    }
+
+    fn set_accel_speed(&self, speed: f64) {
+        let _ = speed;
+    }
+
+    fn set_transform_matrix(&self, matrix: TransformMatrix) {
+        let _ = matrix;
+    }
+}
+
+impl<T: TestInputDevice> InputDevice for T {
+    fn id(&self) -> InputDeviceId {
+        self.common().id
+    }
+
+    fn removed(&self) -> bool {
+        self.common().removed.get()
+    }
+
+    fn event(&self) -> Option<InputEvent> {
+        self.common().events.pop()
+    }
+
+    fn on_change(&self, cb: Rc<dyn Fn()>) {
+        self.common().on_change.set(Some(cb));
+    }
+
+    fn grab(&self, _grab: bool) {
+        // nothing
+    }
+
+    fn has_capability(&self, cap: InputDeviceCapability) -> bool {
+        self.common().capabilities.contains(&cap)
+    }
+
+    fn set_left_handed(&self, left_handed: bool) {
+        <Self as TestInputDevice>::set_left_handed(self, left_handed)
+    }
+
+    fn set_accel_profile(&self, profile: InputDeviceAccelProfile) {
+        <Self as TestInputDevice>::set_accel_profile(self, profile)
+    }
+
+    fn set_accel_speed(&self, speed: f64) {
+        <Self as TestInputDevice>::set_accel_speed(self, speed)
+    }
+
+    fn set_transform_matrix(&self, matrix: TransformMatrix) {
+        <Self as TestInputDevice>::set_transform_matrix(self, matrix)
+    }
+
+    fn name(&self) -> Rc<String> {
+        self.common().name.clone()
     }
 }

src/it/test_client.rs

@@ -3,11 +3,13 @@ use {
         cli::screenshot::buf_to_qoi,
         client::Client,
         format::ARGB8888,
+        globals::GlobalBase,
         it::{
-            test_error::TestError,
+            test_error::{TestError, TestResult},
             test_ifs::{
                 test_compositor::TestCompositor, test_jay_compositor::TestJayCompositor,
-                test_registry::TestRegistry, test_shm::TestShm,
+                test_keyboard::TestKeyboard, test_pointer::TestPointer,
+                test_registry::TestRegistry, test_seat::TestSeat, test_shm::TestShm,
                 test_subcompositor::TestSubcompositor, test_xdg_base::TestXdgWmBase,
             },
             test_transport::TestTransport,
@@ -32,12 +34,50 @@ pub struct TestClient {
     pub xdg: Rc<TestXdgWmBase>,
 }
 
+pub struct DefaultSeat {
+    pub seat: Rc<TestSeat>,
+    pub kb: Rc<TestKeyboard>,
+    pub pointer: Rc<TestPointer>,
+}
+
 impl TestClient {
     #[allow(dead_code)]
     pub fn error(&self, msg: &str) {
         self.tran.error(msg)
     }
 
+    pub async fn get_default_seat(&self) -> TestResult<DefaultSeat> {
+        self.tran.sync().await;
+        let seat = 'get_seat: {
+            for seat in self.tran.run.state.globals.seats.lock().values() {
+                if seat.seat_name() == "default" {
+                    break 'get_seat seat.clone();
+                }
+            }
+            bail!("Default seat not found");
+        };
+        let id = self.tran.id();
+        let tseat = Rc::new(TestSeat {
+            id,
+            tran: self.tran.clone(),
+            server: Default::default(),
+            destroyed: Default::default(),
+            caps: Cell::new(0),
+            name: Default::default(),
+        });
+        self.registry.bind(&tseat, seat.name().raw(), 7)?;
+        self.tran.sync().await;
+        let server = self.tran.get_server_obj(tseat.id)?;
+        tseat.server.set(Some(server));
+        let pointer = tseat.get_pointer().await?;
+        let tkb = tseat.get_keyboard().await?;
+        Ok(DefaultSeat {
+            seat: tseat,
+            kb: tkb,
+            pointer,
+        })
+    }
+
     pub async fn sync(&self) {
         self.tran.sync().await
     }

src/it/test_config.rs

@@ -1,5 +1,8 @@
 use {
-    crate::{ifs::wl_seat::SeatId, it::test_error::TestError, utils::stack::Stack},
+    crate::{
+        backend::InputDeviceId, ifs::wl_seat::SeatId, it::test_error::TestError,
+        utils::stack::Stack,
+    },
     isnt::std_1::primitive::IsntConstPtrExt,
     jay_config::{
         _private::{
@@ -7,7 +10,7 @@ use {
             ipc::{ClientMessage, Response, ServerMessage},
             ConfigEntry, VERSION,
         },
-        input::Seat,
+        input::{InputDevice, Seat},
     },
     std::{cell::Cell, ops::Deref, ptr, rc::Rc},
 };
@@ -161,6 +164,13 @@ impl TestConfig {
         })
     }
 
+    pub fn set_input_device_seat(&self, id: InputDeviceId, seat: SeatId) -> Result<(), TestError> {
+        self.send(ClientMessage::SetSeat {
+            device: InputDevice(id.raw() as _),
+            seat: Seat(seat.raw() as _),
+        })
+    }
+
     fn clear(&self) {
         unsafe {
             if let Some(srv) = self.srv.take() {

src/it/test_error.rs

@@ -6,6 +6,8 @@ use {
     },
 };
 
+pub type TestResult<T = ()> = Result<T, TestError>;
+
 pub struct TestError {
     error: Box<dyn Error + 'static>,
     source: Option<Box<TestError>>,

src/it/test_ifs.rs

@@ -2,9 +2,12 @@ pub mod test_callback;
 pub mod test_compositor;
 pub mod test_display;
 pub mod test_jay_compositor;
+pub mod test_keyboard;
+pub mod test_pointer;
 pub mod test_region;
 pub mod test_registry;
 pub mod test_screenshot;
+pub mod test_seat;
 pub mod test_shm;
 pub mod test_shm_buffer;
 pub mod test_shm_pool;

src/it/test_ifs/test_keyboard.rs

@@ -0,0 +1,89 @@
+use {
+    crate::{
+        ifs::wl_seat::wl_keyboard::WlKeyboard,
+        it::{
+            test_error::TestResult, test_object::TestObject, test_transport::TestTransport,
+            test_utils::test_expected_event::TEEH, testrun::ParseFull,
+        },
+        utils::{buffd::MsgParser, clonecell::CloneCell, once::Once},
+        wire::{wl_keyboard::*, WlKeyboardId, WlSurfaceId},
+    },
+    std::rc::Rc,
+};
+
+pub struct TestEnterEvent {
+    pub serial: u32,
+    pub surface: WlSurfaceId,
+    pub keys: Vec<u32>,
+}
+
+pub struct TestKeyboard {
+    pub id: WlKeyboardId,
+    pub tran: Rc<TestTransport>,
+    pub server: CloneCell<Option<Rc<WlKeyboard>>>,
+    pub destroyed: Once,
+    pub enter: TEEH<TestEnterEvent>,
+}
+
+impl TestKeyboard {
+    pub fn destroy(&self) -> TestResult {
+        if self.destroyed.set() {
+            self.tran.send(Release { self_id: self.id })?;
+        }
+        Ok(())
+    }
+
+    fn handle_keymap(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Keymap::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_enter(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let ev = Enter::parse_full(parser)?;
+        self.enter.push(TestEnterEvent {
+            serial: ev.serial,
+            surface: ev.surface,
+            keys: ev.keys.to_vec(),
+        });
+        Ok(())
+    }
+
+    fn handle_leave(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Leave::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_key(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Key::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_modifiers(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Modifiers::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_repeat_info(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = RepeatInfo::parse_full(parser)?;
+        Ok(())
+    }
+}
+
+impl Drop for TestKeyboard {
+    fn drop(&mut self) {
+        let _ = self.destroy();
+    }
+}
+
+test_object! {
+    TestKeyboard, WlKeyboard;
+
+    KEYMAP => handle_keymap,
+    ENTER => handle_enter,
+    LEAVE => handle_leave,
+    KEY => handle_key,
+    MODIFIERS => handle_modifiers,
+    REPEAT_INFO => handle_repeat_info,
+}
+
+impl TestObject for TestKeyboard {}

src/it/test_ifs/test_pointer.rs

@@ -0,0 +1,95 @@
+use {
+    crate::{
+        ifs::wl_seat::wl_pointer::WlPointer,
+        it::{
+            test_error::TestResult, test_object::TestObject, test_transport::TestTransport,
+            testrun::ParseFull,
+        },
+        utils::{buffd::MsgParser, clonecell::CloneCell},
+        wire::{wl_pointer::*, WlPointerId},
+    },
+    std::{cell::Cell, rc::Rc},
+};
+
+pub struct TestPointer {
+    pub id: WlPointerId,
+    pub tran: Rc<TestTransport>,
+    pub server: CloneCell<Option<Rc<WlPointer>>>,
+    pub destroyed: Cell<bool>,
+}
+
+impl TestPointer {
+    pub fn destroy(&self) -> TestResult {
+        if !self.destroyed.replace(true) {
+            self.tran.send(Release { self_id: self.id })?;
+        }
+        Ok(())
+    }
+
+    fn handle_enter(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Enter::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_leave(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Leave::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_motion(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Motion::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_button(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Button::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_axis(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Axis::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_frame(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = Frame::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_axis_source(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = AxisSource::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_axis_stop(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = AxisStop::parse_full(parser)?;
+        Ok(())
+    }
+
+    fn handle_axis_discrete(&self, parser: MsgParser<'_, '_>) -> TestResult {
+        let _ev = AxisDiscrete::parse_full(parser)?;
+        Ok(())
+    }
+}
+
+impl Drop for TestPointer {
+    fn drop(&mut self) {
+        let _ = self.destroy();
+    }
+}
+
+test_object! {
+    TestPointer, WlPointer;
+
+    ENTER => handle_enter,
+    LEAVE => handle_leave,
+    MOTION => handle_motion,
+    BUTTON => handle_button,
+    AXIS => handle_axis,
+    FRAME => handle_frame,
+    AXIS_SOURCE => handle_axis_source,
+    AXIS_STOP => handle_axis_stop,
+    AXIS_DISCRETE => handle_axis_discrete,
+}
+
+impl TestObject for TestPointer {}

src/it/test_ifs/test_seat.rs

@@ -0,0 +1,99 @@
+use {
+    crate::{
+        ifs::wl_seat::WlSeat,
+        it::{
+            test_error::{TestError, TestResult},
+            test_ifs::{test_keyboard::TestKeyboard, test_pointer::TestPointer},
+            test_object::TestObject,
+            test_transport::TestTransport,
+            testrun::ParseFull,
+        },
+        utils::{buffd::MsgParser, clonecell::CloneCell, once::Once},
+        wire::{wl_seat::*, WlSeatId},
+    },
+    std::{cell::Cell, rc::Rc},
+};
+
+pub struct TestSeat {
+    pub id: WlSeatId,
+    pub tran: Rc<TestTransport>,
+    pub server: CloneCell<Option<Rc<WlSeat>>>,
+    pub destroyed: Once,
+    pub caps: Cell<u32>,
+    pub name: CloneCell<Option<Rc<String>>>,
+}
+
+impl TestSeat {
+    pub fn destroy(&self) -> Result<(), TestError> {
+        if self.destroyed.set() {
+            self.tran.send(Release { self_id: self.id })?;
+        }
+        Ok(())
+    }
+
+    pub async fn get_keyboard(&self) -> TestResult<Rc<TestKeyboard>> {
+        let id = self.tran.id();
+        self.tran.send(GetKeyboard {
+            self_id: self.id,
+            id,
+        })?;
+        let kb = Rc::new(TestKeyboard {
+            id,
+            tran: self.tran.clone(),
+            server: Default::default(),
+            destroyed: Default::default(),
+            enter: Default::default(),
+        });
+        self.tran.add_obj(kb.clone())?;
+        self.tran.sync().await;
+        let server = self.tran.get_server_obj(id)?;
+        kb.server.set(Some(server));
+        Ok(kb)
+    }
+
+    pub async fn get_pointer(&self) -> TestResult<Rc<TestPointer>> {
+        let id = self.tran.id();
+        self.tran.send(GetPointer {
+            self_id: self.id,
+            id,
+        })?;
+        let pointer = Rc::new(TestPointer {
+            id,
+            tran: self.tran.clone(),
+            server: Default::default(),
+            destroyed: Default::default(),
+        });
+        self.tran.add_obj(pointer.clone())?;
+        self.tran.sync().await;
+        let server = self.tran.get_server_obj(id)?;
+        pointer.server.set(Some(server));
+        Ok(pointer)
+    }
+
+    fn handle_capabilities(&self, parser: MsgParser<'_, '_>) -> Result<(), TestError> {
+        let ev = Capabilities::parse_full(parser)?;
+        self.caps.set(ev.capabilities);
+        Ok(())
+    }
+
+    fn handle_name(&self, parser: MsgParser<'_, '_>) -> Result<(), TestError> {
+        let ev = Name::parse_full(parser)?;
+        self.name.set(Some(Rc::new(ev.name.to_string())));
+        Ok(())
+    }
+}
+
+impl Drop for TestSeat {
+    fn drop(&mut self) {
+        let _ = self.destroy();
+    }
+}
+
+test_object! {
+    TestSeat, WlSeat;
+
+    CAPABILITIES => handle_capabilities,
+    NAME => handle_name,
+}
+
+impl TestObject for TestSeat {}

src/it/test_ifs/test_subcompositor.rs

@@ -40,7 +40,7 @@ impl TestSubcompositor {
             id,
             tran: self.tran.clone(),
             destroyed: Cell::new(false),
-            server: self.tran.get_object(id)?,
+            server: self.tran.get_server_obj(id)?,
         });
         self.tran.add_obj(ss.clone())?;
         Ok(ss)

src/it/test_transport.rs

@@ -172,7 +172,7 @@ impl TestTransport {
         Ok(())
     }
 
-    pub fn get_object<I: Into<ObjectId>, T: 'static>(&self, id: I) -> Result<Rc<T>, TestError> {
+    pub fn get_server_obj<I: Into<ObjectId>, T: 'static>(&self, id: I) -> Result<Rc<T>, TestError> {
         let client = self.get_client()?;
         client.objects.get_obj(id.into())?.downcast()
     }

src/it/test_utils.rs

@@ -1,2 +1,3 @@
+pub mod test_expected_event;
 pub mod test_object_ext;
 pub mod test_window;

src/it/test_utils/test_expected_event.rs

@@ -0,0 +1,71 @@
+use {
+    crate::{it::test_error::TestResult, utils::clonecell::CloneCell},
+    std::{cell::RefCell, collections::VecDeque, rc::Rc},
+};
+
+pub struct TestExpectedEvent<T> {
+    data: Rc<TestExpectedEventData<T>>,
+    holder: Rc<TestExpectedEventHolder<T>>,
+}
+
+impl<T> TestExpectedEvent<T> {
+    pub fn next(&self) -> TestResult<T> {
+        match self.data.events.borrow_mut().pop_front() {
+            Some(t) => Ok(t),
+            _ => bail!("No event occurred"),
+        }
+    }
+
+    pub fn last(&self) -> TestResult<T> {
+        match self.data.events.borrow_mut().pop_back() {
+            Some(t) => Ok(t),
+            _ => bail!("No event occurred"),
+        }
+    }
+}
+
+pub struct TestExpectedEventHolder<T> {
+    data: CloneCell<Option<Rc<TestExpectedEventData<T>>>>,
+}
+
+pub type TEEH<T> = Rc<TestExpectedEventHolder<T>>;
+
+impl<T> Default for TestExpectedEventHolder<T> {
+    fn default() -> Self {
+        Self {
+            data: Default::default(),
+        }
+    }
+}
+
+impl<T> TestExpectedEventHolder<T> {
+    pub fn expect(self: &Rc<Self>) -> TestResult<TestExpectedEvent<T>> {
+        if self.data.get().is_some() {
+            bail!("There is already an expected event data");
+        }
+        let data = Rc::new(TestExpectedEventData {
+            events: Default::default(),
+        });
+        self.data.set(Some(data.clone()));
+        Ok(TestExpectedEvent {
+            data,
+            holder: self.clone(),
+        })
+    }
+
+    pub fn push(&self, t: T) {
+        if let Some(data) = self.data.get() {
+            data.events.borrow_mut().push_back(t);
+        }
+    }
+}
+
+struct TestExpectedEventData<T> {
+    events: RefCell<VecDeque<T>>,
+}
+
+impl<T> Drop for TestExpectedEvent<T> {
+    fn drop(&mut self) {
+        self.holder.data.set(None);
+    }
+}

src/it/testrun.rs

@@ -3,7 +3,7 @@ use {
         client::{ClientId, RequestParser},
         ifs::wl_seat::WlSeatGlobal,
         it::{
-            test_backend::TestBackend,
+            test_backend::{TestBackend, TestBackendKb, TestBackendMouse, TestConnector},
             test_client::TestClient,
             test_config::TestConfig,
             test_error::{TestError, TestErrorExt},
@@ -12,6 +12,7 @@ use {
         },
         object::WL_DISPLAY_ID,
         state::State,
+        tree::OutputNode,
         utils::{bitfield::Bitfield, buffd::MsgParser, oserror::OsErrorExt, stack::Stack},
     },
     std::{
@@ -102,6 +103,28 @@ impl TestRun {
         }
         bail!("Seat {} does not exist", id)
     }
+
+    pub async fn create_default_setup(&self) -> Result<DefaultSetup, TestError> {
+        self.backend.install_default();
+        let seat = self.get_seat("default")?;
+        self.state.eng.yield_now().await;
+        let output = match self.state.outputs.lock().values().next() {
+            None => bail!("No output"),
+            Some(d) => d.node.clone(),
+        };
+        self.cfg
+            .set_input_device_seat(self.backend.default_kb.common.id, seat.id())?;
+        self.cfg
+            .set_input_device_seat(self.backend.default_mouse.common.id, seat.id())?;
+        self.state.eng.yield_now().await;
+        Ok(DefaultSetup {
+            connector: self.backend.default_connector.clone(),
+            output,
+            kb: self.backend.default_kb.clone(),
+            mouse: self.backend.default_mouse.clone(),
+            seat,
+        })
+    }
 }
 
 pub trait ParseFull<'a>: Sized {
@@ -115,3 +138,11 @@ impl<'a, T: RequestParser<'a>> ParseFull<'a> for T {
         Ok(res)
     }
 }
+
+pub struct DefaultSetup {
+    pub connector: Rc<TestConnector>,
+    pub output: Rc<OutputNode>,
+    pub kb: Rc<TestBackendKb>,
+    pub mouse: Rc<TestBackendMouse>,
+    pub seat: Rc<WlSeatGlobal>,
+}

src/it/tests.rs

@@ -33,6 +33,7 @@ mod t0004_quit;
 mod t0005_create_seat;
 mod t0006_region;
 mod t0007_subsurface;
+mod t0008_map_focus;
 
 pub trait TestCase: Sync {
     fn name(&self) -> &'static str;
@@ -58,5 +59,6 @@ pub fn tests() -> Vec<&'static dyn TestCase> {
         t0005_create_seat,
         t0006_region,
         t0007_subsurface,
+        t0008_map_focus,
     }
 }

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(())
+}

src/time.rs

@@ -36,6 +36,13 @@ impl Time {
         Ok(Self(time))
     }
 
+    #[allow(dead_code)]
+    pub fn now_unchecked() -> Time {
+        let mut time = uapi::pod_zeroed();
+        let _ = uapi::clock_gettime(c::CLOCK_MONOTONIC, &mut time);
+        Self(time)
+    }
+
     pub fn round_to_ms(self) -> Time {
         if self.0.tv_nsec > 999_000_000 {
             Time(c::timespec {
@@ -49,6 +56,13 @@ impl Time {
             })
         }
     }
+
+    #[allow(dead_code)]
+    pub fn usec(self) -> u64 {
+        let sec = self.0.tv_sec as u64 * 1_000_000;
+        let nsec = self.0.tv_nsec as u64 / 1_000;
+        sec + nsec
+    }
 }
 
 impl Eq for Time {}

src/utils.rs

@@ -15,6 +15,7 @@ pub mod log_on_drop;
 pub mod nonblock;
 pub mod num_cpus;
 pub mod numcell;
+pub mod once;
 pub mod oserror;
 pub mod ptr_ext;
 pub mod queue;

src/utils/once.rs

@@ -0,0 +1,26 @@
+#![allow(dead_code)]
+
+use std::{cell::Cell, future::Future};
+
+#[derive(Default)]
+pub struct Once {
+    done: Cell<bool>,
+}
+
+impl Once {
+    pub fn set(&self) -> bool {
+        !self.done.replace(true)
+    }
+
+    pub fn exec<F: FnOnce()>(&self, f: F) {
+        if !self.done.replace(true) {
+            f();
+        }
+    }
+
+    pub async fn exec_async<G: Future<Output = ()>, F: FnOnce() -> G>(&self, f: F) {
+        if !self.done.replace(true) {
+            f().await;
+        }
+    }
+}