Initial Dever 0.0.1

test/rust/runtime/task/panic.rs

@@ -0,0 +1,39 @@
+use super::{Error, runtime};
+use dever_runtime::task::Scope;
+use std::{
+    future::Future,
+    pin::Pin,
+    task::{Context, Poll},
+};
+
+fn failed_factory(_: &Scope<'_>) -> std::future::Ready<()> {
+    panic!("future construction failed");
+}
+
+struct FailedDrop;
+
+impl Future for FailedDrop {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<()> {
+        Poll::Ready(())
+    }
+}
+
+impl Drop for FailedDrop {
+    fn drop(&mut self) {
+        panic!("completed future destruction failed");
+    }
+}
+
+fn failed_drop(_: &Scope<'_>) -> FailedDrop {
+    FailedDrop
+}
+
+#[test]
+fn entry_catches_future_construction_and_completed_destruction_panics() {
+    let runtime = runtime();
+    assert_eq!(runtime.run(failed_factory), Err(Error::Panicked));
+    assert_eq!(runtime.run(failed_drop), Err(Error::Panicked));
+    assert_eq!(runtime.run(async |_| 42), Ok(42));
+}