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-rw-r--r--third_party/rust/crossbeam-deque/tests/steal.rs212
1 files changed, 212 insertions, 0 deletions
diff --git a/third_party/rust/crossbeam-deque/tests/steal.rs b/third_party/rust/crossbeam-deque/tests/steal.rs
new file mode 100644
index 0000000000..af2499856c
--- /dev/null
+++ b/third_party/rust/crossbeam-deque/tests/steal.rs
@@ -0,0 +1,212 @@
+use crossbeam_deque::Steal::Success;
+use crossbeam_deque::{Injector, Worker};
+
+#[test]
+fn steal_fifo() {
+ let w = Worker::new_fifo();
+ for i in 1..=3 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ assert_eq!(s.steal(), Success(1));
+ assert_eq!(s.steal(), Success(2));
+ assert_eq!(s.steal(), Success(3));
+}
+
+#[test]
+fn steal_lifo() {
+ let w = Worker::new_lifo();
+ for i in 1..=3 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ assert_eq!(s.steal(), Success(1));
+ assert_eq!(s.steal(), Success(2));
+ assert_eq!(s.steal(), Success(3));
+}
+
+#[test]
+fn steal_injector() {
+ let q = Injector::new();
+ for i in 1..=3 {
+ q.push(i);
+ }
+
+ assert_eq!(q.steal(), Success(1));
+ assert_eq!(q.steal(), Success(2));
+ assert_eq!(q.steal(), Success(3));
+}
+
+#[test]
+fn steal_batch_fifo_fifo() {
+ let w = Worker::new_fifo();
+ for i in 1..=4 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_fifo();
+
+ assert_eq!(s.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(1));
+ assert_eq!(w2.pop(), Some(2));
+}
+
+#[test]
+fn steal_batch_lifo_lifo() {
+ let w = Worker::new_lifo();
+ for i in 1..=4 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_lifo();
+
+ assert_eq!(s.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(1));
+}
+
+#[test]
+fn steal_batch_fifo_lifo() {
+ let w = Worker::new_fifo();
+ for i in 1..=4 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_lifo();
+
+ assert_eq!(s.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(1));
+ assert_eq!(w2.pop(), Some(2));
+}
+
+#[test]
+fn steal_batch_lifo_fifo() {
+ let w = Worker::new_lifo();
+ for i in 1..=4 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_fifo();
+
+ assert_eq!(s.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(1));
+}
+
+#[test]
+fn steal_batch_injector_fifo() {
+ let q = Injector::new();
+ for i in 1..=4 {
+ q.push(i);
+ }
+
+ let w2 = Worker::new_fifo();
+ assert_eq!(q.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(1));
+ assert_eq!(w2.pop(), Some(2));
+}
+
+#[test]
+fn steal_batch_injector_lifo() {
+ let q = Injector::new();
+ for i in 1..=4 {
+ q.push(i);
+ }
+
+ let w2 = Worker::new_lifo();
+ assert_eq!(q.steal_batch(&w2), Success(()));
+ assert_eq!(w2.pop(), Some(1));
+ assert_eq!(w2.pop(), Some(2));
+}
+
+#[test]
+fn steal_batch_and_pop_fifo_fifo() {
+ let w = Worker::new_fifo();
+ for i in 1..=6 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_fifo();
+
+ assert_eq!(s.steal_batch_and_pop(&w2), Success(1));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(3));
+}
+
+#[test]
+fn steal_batch_and_pop_lifo_lifo() {
+ let w = Worker::new_lifo();
+ for i in 1..=6 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_lifo();
+
+ assert_eq!(s.steal_batch_and_pop(&w2), Success(3));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(1));
+}
+
+#[test]
+fn steal_batch_and_pop_fifo_lifo() {
+ let w = Worker::new_fifo();
+ for i in 1..=6 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_lifo();
+
+ assert_eq!(s.steal_batch_and_pop(&w2), Success(1));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(3));
+}
+
+#[test]
+fn steal_batch_and_pop_lifo_fifo() {
+ let w = Worker::new_lifo();
+ for i in 1..=6 {
+ w.push(i);
+ }
+
+ let s = w.stealer();
+ let w2 = Worker::new_fifo();
+
+ assert_eq!(s.steal_batch_and_pop(&w2), Success(3));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(1));
+}
+
+#[test]
+fn steal_batch_and_pop_injector_fifo() {
+ let q = Injector::new();
+ for i in 1..=6 {
+ q.push(i);
+ }
+
+ let w2 = Worker::new_fifo();
+ assert_eq!(q.steal_batch_and_pop(&w2), Success(1));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(3));
+}
+
+#[test]
+fn steal_batch_and_pop_injector_lifo() {
+ let q = Injector::new();
+ for i in 1..=6 {
+ q.push(i);
+ }
+
+ let w2 = Worker::new_lifo();
+ assert_eq!(q.steal_batch_and_pop(&w2), Success(1));
+ assert_eq!(w2.pop(), Some(2));
+ assert_eq!(w2.pop(), Some(3));
+}