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Add compile check that changed() is Send on Android #7

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Merged
thombles merged 1 commit into from
May 12, 2026
Merged

Add compile check that changed() is Send on Android #7

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17 changes: 17 additions & 0 deletions android/app-native/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,23 @@ impl Drop for AsyncWatcher {
}
}

/// Compile-time check that `AsyncWatch::changed()` returns a `Send` future on Android.
pub fn compile_check_changed_future_is_send_for_tokio_spawned_task() {
let runtime = tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.expect("failed to build tokio runtime");
runtime.block_on(async {
let mut watch = netwatcher::watch_interfaces_async::<netwatcher::async_adapter::Tokio>()
.expect("failed to create async watcher");

let task = tokio::spawn(async move { watch.changed().await });
let initial = task.await.expect("spawned watch task failed");

assert!(initial.is_initial);
});
}

fn init_android_logging() {
android_logger::init_once(
android_logger::Config::default().with_max_level(log::LevelFilter::Debug),
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