it: test subsurface positioning

src/it/test_ifs/test_subsurface.rs

@@ -0,0 +1,68 @@
+use {
+    crate::{
+        ifs::wl_surface::wl_subsurface::WlSubsurface,
+        it::{test_error::TestError, test_object::TestObject, test_transport::TestTransport},
+        wire::{wl_subsurface::*, WlSubsurfaceId, WlSurfaceId},
+    },
+    std::{cell::Cell, rc::Rc},
+};
+
+pub struct TestSubsurface {
+    pub id: WlSubsurfaceId,
+    pub tran: Rc<TestTransport>,
+    pub destroyed: Cell<bool>,
+    pub server: Rc<WlSubsurface>,
+}
+
+impl TestSubsurface {
+    pub fn destroy(&self) -> Result<(), TestError> {
+        if !self.destroyed.replace(true) {
+            self.tran.send(Destroy { self_id: self.id })?;
+        }
+        Ok(())
+    }
+
+    pub fn set_position(&self, x: i32, y: i32) -> Result<(), TestError> {
+        self.tran.send(SetPosition {
+            self_id: self.id,
+            x,
+            y,
+        })
+    }
+
+    pub fn place_above(&self, surface: WlSurfaceId) -> Result<(), TestError> {
+        self.tran.send(PlaceAbove {
+            self_id: self.id,
+            sibling: surface,
+        })
+    }
+
+    pub fn place_below(&self, surface: WlSurfaceId) -> Result<(), TestError> {
+        self.tran.send(PlaceBelow {
+            self_id: self.id,
+            sibling: surface,
+        })
+    }
+
+    #[allow(dead_code)]
+    pub fn set_sync(&self) -> Result<(), TestError> {
+        self.tran.send(SetSync { self_id: self.id })
+    }
+
+    #[allow(dead_code)]
+    pub fn set_desync(&self) -> Result<(), TestError> {
+        self.tran.send(SetDesync { self_id: self.id })
+    }
+}
+
+impl Drop for TestSubsurface {
+    fn drop(&mut self) {
+        let _ = self.destroy();
+    }
+}
+
+test_object! {
+    TestSubsurface, WlSubsurface;
+}
+
+impl TestObject for TestSubsurface {}