1 files changed, 43 insertions, 0 deletions

diff --git a/examples/nrf52840/src/bin/executor_fairness_test.rs b/examples/nrf52840/src/bin/executor_fairness_test.rs
new file mode 100644
index 000000000..2a28f2763
--- /dev/null
+++ b/examples/nrf52840/src/bin/executor_fairness_test.rs
@@ -0,0 +1,43 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use core::future::poll_fn;
+use core::task::Poll;
+
+use defmt::{info, unwrap};
+use embassy_executor::Spawner;
+use embassy_time::{Duration, Instant, Timer};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::task]
+async fn run1() {
+    loop {
+        info!("DING DONG");
+        Timer::after(Duration::from_ticks(16000)).await;
+    }
+}
+
+#[embassy_executor::task]
+async fn run2() {
+    loop {
+        Timer::at(Instant::from_ticks(0)).await;
+    }
+}
+
+#[embassy_executor::task]
+async fn run3() {
+    poll_fn(|cx| {
+        cx.waker().wake_by_ref();
+        Poll::<()>::Pending
+    })
+    .await;
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let _p = embassy_nrf::init(Default::default());
+    unwrap!(spawner.spawn(run1()));
+    unwrap!(spawner.spawn(run2()));
+    unwrap!(spawner.spawn(run3()));
+}