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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/futures/tests/future_obj.rs
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/futures/tests/future_obj.rs')
-rw-r--r--third_party/rust/futures/tests/future_obj.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/rust/futures/tests/future_obj.rs b/third_party/rust/futures/tests/future_obj.rs
new file mode 100644
index 0000000000..0e5253464e
--- /dev/null
+++ b/third_party/rust/futures/tests/future_obj.rs
@@ -0,0 +1,33 @@
+use futures::future::{Future, FutureExt, FutureObj};
+use futures::task::{Context, Poll};
+use std::pin::Pin;
+
+#[test]
+fn dropping_does_not_segfault() {
+ FutureObj::new(async { String::new() }.boxed());
+}
+
+#[test]
+fn dropping_drops_the_future() {
+ let mut times_dropped = 0;
+
+ struct Inc<'a>(&'a mut u32);
+
+ impl Future for Inc<'_> {
+ type Output = ();
+
+ fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<()> {
+ unimplemented!()
+ }
+ }
+
+ impl Drop for Inc<'_> {
+ fn drop(&mut self) {
+ *self.0 += 1;
+ }
+ }
+
+ FutureObj::new(Inc(&mut times_dropped).boxed());
+
+ assert_eq!(times_dropped, 1);
+}