Vendor things

third-party/vendor/crossbeam-deque/tests/steal.rs

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+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));
+}