Add an example for the Background portal

examples/background.rs

@@ -2,8 +2,26 @@ use ashpd::desktop::background::Background;
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() -> ashpd::Result<()> {
+    let command = std::env::args()
+        .nth(1)
+        .unwrap_or_else(|| "FakeTestApp".into());
+
     // Based off of the ashpd docs
     // https://docs.rs/ashpd/latest/ashpd/desktop/background/index.html
+    let response = Background::request()
+        .reason("Testing the background portal")
+        .auto_start(false)
+        .dbus_activatable(false)
+        .command(&[command])
+        .send()
+        .await?
+        .response()?;
+
+    assert!(!response.auto_start(), "Auto start should be disabled");
+    assert!(
+        response.run_in_background(),
+        "App should have background permissions"
+    );
 
     Ok(())
 }