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Commit | Line | Data |
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1b1a35ee XL |
1 | use super::Queue; |
2 | use crate::sync::mpsc::channel; | |
3 | use crate::sync::Arc; | |
4 | use crate::thread; | |
5 | ||
6 | #[test] | |
7 | fn smoke() { | |
8 | unsafe { | |
9 | let queue = Queue::with_additions(0, (), ()); | |
10 | queue.push(1); | |
11 | queue.push(2); | |
12 | assert_eq!(queue.pop(), Some(1)); | |
13 | assert_eq!(queue.pop(), Some(2)); | |
14 | assert_eq!(queue.pop(), None); | |
15 | queue.push(3); | |
16 | queue.push(4); | |
17 | assert_eq!(queue.pop(), Some(3)); | |
18 | assert_eq!(queue.pop(), Some(4)); | |
19 | assert_eq!(queue.pop(), None); | |
20 | } | |
21 | } | |
22 | ||
23 | #[test] | |
24 | fn peek() { | |
25 | unsafe { | |
26 | let queue = Queue::with_additions(0, (), ()); | |
27 | queue.push(vec![1]); | |
28 | ||
29 | // Ensure the borrowchecker works | |
30 | match queue.peek() { | |
31 | Some(vec) => { | |
32 | assert_eq!(&*vec, &[1]); | |
33 | } | |
34 | None => unreachable!(), | |
35 | } | |
36 | ||
37 | match queue.pop() { | |
38 | Some(vec) => { | |
39 | assert_eq!(&*vec, &[1]); | |
40 | } | |
41 | None => unreachable!(), | |
42 | } | |
43 | } | |
44 | } | |
45 | ||
46 | #[test] | |
47 | fn drop_full() { | |
48 | unsafe { | |
49 | let q: Queue<Box<_>> = Queue::with_additions(0, (), ()); | |
923072b8 FG |
50 | q.push(Box::new(1)); |
51 | q.push(Box::new(2)); | |
1b1a35ee XL |
52 | } |
53 | } | |
54 | ||
55 | #[test] | |
56 | fn smoke_bound() { | |
57 | unsafe { | |
58 | let q = Queue::with_additions(0, (), ()); | |
59 | q.push(1); | |
60 | q.push(2); | |
61 | assert_eq!(q.pop(), Some(1)); | |
62 | assert_eq!(q.pop(), Some(2)); | |
63 | assert_eq!(q.pop(), None); | |
64 | q.push(3); | |
65 | q.push(4); | |
66 | assert_eq!(q.pop(), Some(3)); | |
67 | assert_eq!(q.pop(), Some(4)); | |
68 | assert_eq!(q.pop(), None); | |
69 | } | |
70 | } | |
71 | ||
72 | #[test] | |
73 | fn stress() { | |
74 | unsafe { | |
75 | stress_bound(0); | |
76 | stress_bound(1); | |
77 | } | |
78 | ||
79 | unsafe fn stress_bound(bound: usize) { | |
80 | let q = Arc::new(Queue::with_additions(bound, (), ())); | |
81 | ||
82 | let (tx, rx) = channel(); | |
83 | let q2 = q.clone(); | |
84 | let _t = thread::spawn(move || { | |
85 | for _ in 0..100000 { | |
86 | loop { | |
87 | match q2.pop() { | |
88 | Some(1) => break, | |
89 | Some(_) => panic!(), | |
90 | None => {} | |
91 | } | |
92 | } | |
93 | } | |
94 | tx.send(()).unwrap(); | |
95 | }); | |
96 | for _ in 0..100000 { | |
97 | q.push(1); | |
98 | } | |
99 | rx.recv().unwrap(); | |
100 | } | |
101 | } |