Initial import of crossbeam-channel-0.5.0.
Bug: 155309706
Change-Id: I8a4696d18bfd2efa9ae51fa0072a40aa45c219a9
diff --git a/tests/same_channel.rs b/tests/same_channel.rs
new file mode 100644
index 0000000..da4c8f3
--- /dev/null
+++ b/tests/same_channel.rs
@@ -0,0 +1,112 @@
+use std::time::Duration;
+
+use crossbeam_channel::{after, bounded, never, tick, unbounded};
+
+fn ms(ms: u64) -> Duration {
+ Duration::from_millis(ms)
+}
+
+#[test]
+fn after_same_channel() {
+ let r = after(ms(50));
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ let r3 = after(ms(50));
+ assert!(!r.same_channel(&r3));
+ assert!(!r2.same_channel(&r3));
+
+ let r4 = after(ms(100));
+ assert!(!r.same_channel(&r4));
+ assert!(!r2.same_channel(&r4));
+}
+
+#[test]
+fn array_same_channel() {
+ let (s, r) = bounded::<usize>(1);
+
+ let s2 = s.clone();
+ assert!(s.same_channel(&s2));
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ let (s3, r3) = bounded::<usize>(1);
+ assert!(!s.same_channel(&s3));
+ assert!(!s2.same_channel(&s3));
+ assert!(!r.same_channel(&r3));
+ assert!(!r2.same_channel(&r3));
+}
+
+#[test]
+fn list_same_channel() {
+ let (s, r) = unbounded::<usize>();
+
+ let s2 = s.clone();
+ assert!(s.same_channel(&s2));
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ let (s3, r3) = unbounded::<usize>();
+ assert!(!s.same_channel(&s3));
+ assert!(!s2.same_channel(&s3));
+ assert!(!r.same_channel(&r3));
+ assert!(!r2.same_channel(&r3));
+}
+
+#[test]
+fn never_same_channel() {
+ let r = never::<usize>();
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ // Never channel are always equal to one another.
+ let r3 = never::<usize>();
+ assert!(r.same_channel(&r3));
+ assert!(r2.same_channel(&r3));
+}
+
+#[test]
+fn tick_same_channel() {
+ let r = tick(ms(50));
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ let r3 = tick(ms(50));
+ assert!(!r.same_channel(&r3));
+ assert!(!r2.same_channel(&r3));
+
+ let r4 = tick(ms(100));
+ assert!(!r.same_channel(&r4));
+ assert!(!r2.same_channel(&r4));
+}
+
+#[test]
+fn zero_same_channel() {
+ let (s, r) = bounded::<usize>(0);
+
+ let s2 = s.clone();
+ assert!(s.same_channel(&s2));
+
+ let r2 = r.clone();
+ assert!(r.same_channel(&r2));
+
+ let (s3, r3) = bounded::<usize>(0);
+ assert!(!s.same_channel(&s3));
+ assert!(!s2.same_channel(&s3));
+ assert!(!r.same_channel(&r3));
+ assert!(!r2.same_channel(&r3));
+}
+
+#[test]
+fn different_flavors_same_channel() {
+ let (s1, r1) = bounded::<usize>(0);
+ let (s2, r2) = unbounded::<usize>();
+
+ assert!(!s1.same_channel(&s2));
+ assert!(!r1.same_channel(&r2));
+}
