it: test double click float toggle

src/it/tests/t0029_double_click_float.rs

@@ -0,0 +1,33 @@
+use {
+    crate::{
+        ifs::wl_seat::BTN_LEFT,
+        it::{test_error::TestResult, testrun::TestRun},
+        tree::Node,
+    },
+    std::rc::Rc,
+};
+
+testcase!();
+
+async fn test(run: Rc<TestRun>) -> TestResult {
+    let ds = run.create_default_setup().await?;
+
+    let client = run.create_client().await?;
+
+    let win1 = client.create_window().await?;
+    win1.set_color(255, 0, 0, 255);
+    win1.map2().await?;
+    run.cfg.set_floating(ds.seat.id(), true)?;
+
+    for i in ["1", "2"] {
+        let (x, y) = win1.tl.server.node_absolute_position().position();
+        ds.move_to(x + 10, y - 3);
+        ds.mouse.click(BTN_LEFT);
+        ds.mouse.click(BTN_LEFT);
+
+        client.sync().await;
+        client.compare_screenshot(i, false).await?;
+    }
+
+    Ok(())
+}