evdi_sys/
lib.rs

1#![allow(non_upper_case_globals)]
2#![allow(non_camel_case_types)]
3#![allow(non_snake_case)]
4
5use std::os::raw::c_uint;
6
7// NOTE: Copied from <evdi_lib.c>, MUST be kept in sync.
8
9/// A kernel module is compatible if its major version is equal to
10/// [EVDI_MODULE_COMPATIBILITY_VERSION_MAJOR] and its minor version is >= to
11/// [EVDI_MODULE_COMPATIBILITY_VERSION_MINOR]
12pub const EVDI_MODULE_COMPATIBILITY_VERSION_MAJOR: u32 = 1;
13/// A kernel module is compatible if its major version is equal to
14/// [EVDI_MODULE_COMPATIBILITY_VERSION_MAJOR] and its minor version is >= to
15/// [EVDI_MODULE_COMPATIBILITY_VERSION_MINOR]
16pub const EVDI_MODULE_COMPATIBILITY_VERSION_MINOR: u32 = 9;
17
18pub const EVDI_STATUS_AVAILABLE: c_uint = evdi_device_status_AVAILABLE;
19pub const EVDI_STATUS_UNRECOGNIZED: c_uint = evdi_device_status_UNRECOGNIZED;
20pub const EVDI_STATUS_NOT_PRESENT: c_uint = evdi_device_status_NOT_PRESENT;
21
22include!("./bindings.rs");
23include!("./wrapper_bindings.rs");
24
25#[cfg(test)]
26mod test {
27    use super::*;
28    use std::os::raw::{c_char, c_void};
29    use std::sync::mpsc::{channel, Sender};
30    use std::mem::{transmute, forget};
31    use std::ffi::CStr;
32
33    extern "C" fn noop_wrapper_log_cb(_user_data: *mut c_void, _msg: *const c_char) {}
34
35    #[test]
36    fn can_register_wrapper_log_cb() {
37        unsafe {
38            wrapper_evdi_set_logging(wrapper_log_cb {
39                function: Some(noop_wrapper_log_cb),
40                user_data: 0 as *mut c_void,
41            })
42        }
43    }
44
45    extern "C" fn channel_wrapper_log_cb(user_data: *mut c_void, msg_ptr: *const c_char) {
46        let send: &Sender<String> = unsafe { transmute(user_data) };
47        let msg = unsafe { CStr::from_ptr(msg_ptr) }
48            .to_str().unwrap()
49            .to_owned();
50        send.send(msg).unwrap();
51    }
52
53    #[test]
54    fn wrapper_log_cb_receives_at_least_one_message() {
55        let (send, recv) = channel::<String>();
56
57        unsafe {
58            wrapper_evdi_set_logging(wrapper_log_cb {
59                function: Some(channel_wrapper_log_cb),
60                user_data: transmute(&send),
61            });
62            forget(send);
63        }
64
65        // Do something that will generate a log msg
66        unsafe { evdi_open(0); }
67
68        // Block until our callback is called once
69        let msg = recv.recv().unwrap();
70
71        assert!(msg.starts_with("Opened /dev/dri/card0"));
72    }
73
74    #[test]
75    fn evdi_check_device_for_not_present() {
76        let status = unsafe {
77            evdi_check_device(42)
78        };
79        assert_eq!(status, EVDI_STATUS_NOT_PRESENT)
80    }
81
82    #[test]
83    fn is_correct_version() {
84        let mut version = evdi_lib_version {
85            version_major: -1,
86            version_minor: -1,
87            version_patchlevel: -1
88        };
89
90        unsafe {
91            evdi_get_lib_version(&mut version)
92        }
93
94        assert_eq!(version.version_major, 1);
95        assert_eq!(version.version_minor, 9);
96        assert_eq!(version.version_patchlevel, 1);
97    }
98}
evdi_sys/lib.rs

evdi_sys/
lib.rs
