Vendor things

third-party/vendor/crossbeam-channel/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));
+}