finga
79a2ad1d88
Implement sending to and receiving from SysV IPC message queues. While at it refactor the whole library. Write documentation for the sysvmq library.
69 lines
2.2 KiB
Rust
69 lines
2.2 KiB
Rust
use sysvmq::SysvMq;
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#[test]
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fn new_send_recv_delete() {
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let mut mq = SysvMq::new(0).expect("could not create SysV message queue with key 0");
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let msg = b"this is a test";
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let mut buf = [0u8; 14];
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mq.send(msg)
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.expect("could not send message to SysV message queue");
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mq.recv(&mut buf)
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.expect("could not receive message from SysV message queue");
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mq.delete().expect("could not destroy SysV message queue");
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assert_eq!(msg, &buf);
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}
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#[test]
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fn separate_send_recv_clone() {
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let mut sender = SysvMq::new(0).expect("could not create SysV message queue with key 0");
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let mut receiver = sender.clone();
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let msg = b"this is another test";
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let mut buf = [0u8; 20];
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sender
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.send(msg)
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.expect("could not send message to SysV message queue");
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receiver
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.recv(&mut buf)
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.expect("could not receive message from SysV message queue");
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sender
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.delete()
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.expect("could not destroy SysV message queue");
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assert_eq!(msg, &buf);
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}
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#[test]
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fn separate_send_recv_open() {
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let mut sender = SysvMq::new(0).expect("could not create SysV message queue with key 0");
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let mut receiver = SysvMq::open(sender.key, sender.id)
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.expect("could not create second handle to SysV message queue");
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let msg = b"this is another test";
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let mut buf = [0u8; 20];
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sender
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.send(msg)
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.expect("could not send message to SysV message queue");
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receiver
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.recv(&mut buf)
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.expect("could not receive message from SysV message queue");
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sender
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.delete()
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.expect("could not destroy SysV message queue");
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assert_eq!(msg, &buf);
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}
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#[test]
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fn change_mode() {
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let mut mq = SysvMq::new(0).expect("could not create SysV message queue with key 0");
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let init_stats = mq
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.stat()
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.expect("could not get stats from SysV message queue");
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mq.mode(0o666)
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.expect("could not set mode of SysV message queue");
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let new_stats = mq
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.stat()
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.expect("could not get stats from SysV message queue");
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mq.delete().expect("could not destroy SysV message queue");
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assert_eq!(0o644, init_stats.msg_perm.mode);
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assert_eq!(0o666, new_stats.msg_perm.mode);
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}
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