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|
use libusb1_sys as ffi;
#[test]
fn test_version() {
use std::{ffi::CStr, str};
let version = unsafe { &*ffi::libusb_get_version() };
let rc = str::from_utf8(unsafe { CStr::from_ptr(version.rc) }.to_bytes()).unwrap_or("");
let describe =
str::from_utf8(unsafe { CStr::from_ptr(version.describe) }.to_bytes()).unwrap_or("");
assert_eq!(version.major, 1);
assert_eq!(version.minor, 0);
println!(
"libusb v{}.{}.{}.{}{} {}",
version.major, version.minor, version.micro, version.nano, rc, describe
);
}
#[test]
fn test_init_and_exit() {
let mut context: *mut ffi::libusb_context = std::ptr::null_mut();
for i in 0..=100 {
match unsafe { ffi::libusb_init(&mut context) } {
0 => (),
err => panic!("Failed to init libusb on iteration {}: {}", i, err),
}
unsafe {
ffi::libusb_exit(context);
}
#[cfg(target_os = "macos")]
std::thread::sleep(std::time::Duration::from_millis(1));
context = std::ptr::null_mut();
}
}
#[test]
fn test_get_device_list() {
let mut context = std::mem::MaybeUninit::<*mut ffi::libusb_context>::uninit();
match unsafe { ffi::libusb_init(context.as_mut_ptr()) } {
0 => (),
err => panic!("Failed to init libusb {}", err),
}
let mut list = std::mem::MaybeUninit::<*const *mut ffi::libusb_device>::uninit();
let list_size =
unsafe { ffi::libusb_get_device_list(context.assume_init(), list.as_mut_ptr()) };
if list_size < 0 || unsafe { list.assume_init().is_null() } {
panic!("Failed to get device list {} {:p}", -list_size, unsafe {
list.assume_init()
});
}
unsafe {
ffi::libusb_free_device_list(list.assume_init(), 1);
}
unsafe {
ffi::libusb_exit(context.assume_init());
}
}
#[test]
fn test_fill_control_setup() {
let mut buf = [0u8; ffi::constants::LIBUSB_CONTROL_SETUP_SIZE + 1];
unsafe {
ffi::libusb_fill_control_setup(
buf.as_mut_ptr(),
ffi::constants::LIBUSB_REQUEST_TYPE_VENDOR | ffi::constants::LIBUSB_ENDPOINT_OUT,
0x04,
0x4e,
0,
(buf.len() - ffi::constants::LIBUSB_CONTROL_SETUP_SIZE) as u16,
);
}
buf[ffi::constants::LIBUSB_CONTROL_SETUP_SIZE] = 0x01;
let setup: *mut ffi::libusb_control_setup = buf.as_mut_ptr() as *mut _;
assert_eq!(
unsafe { (*setup).bmRequestType },
ffi::constants::LIBUSB_REQUEST_TYPE_VENDOR | ffi::constants::LIBUSB_ENDPOINT_OUT
);
assert_eq!(unsafe { (*setup).bRequest }, 0x04);
assert_eq!(unsafe { u16::from_le((*setup).wValue) }, 0x4e);
assert_eq!(unsafe { u16::from_le((*setup).wIndex) }, 0);
assert_eq!(unsafe { u16::from_le((*setup).wLength) }, 1);
}
#[test]
fn test_fill_control_transfer() {
extern "system" fn callback(_transfer: *mut ffi::libusb_transfer) {}
let mut buf = [0u8; ffi::constants::LIBUSB_CONTROL_SETUP_SIZE + 1];
unsafe {
ffi::libusb_fill_control_setup(
buf.as_mut_ptr(),
ffi::constants::LIBUSB_REQUEST_TYPE_VENDOR | ffi::constants::LIBUSB_ENDPOINT_OUT,
0x04,
0x4e,
0,
(buf.len() - ffi::constants::LIBUSB_CONTROL_SETUP_SIZE) as u16,
);
}
buf[ffi::constants::LIBUSB_CONTROL_SETUP_SIZE] = 0x05;
let mut transfer = std::mem::MaybeUninit::<ffi::libusb_transfer>::uninit();
unsafe {
ffi::libusb_fill_control_transfer(
transfer.as_mut_ptr(),
std::ptr::null_mut(),
buf.as_mut_ptr(),
callback,
std::ptr::null_mut(),
1000,
);
}
let transfer = unsafe { &mut transfer.assume_init() };
assert_eq!(transfer.endpoint, 0);
assert_eq!(
transfer.length as usize,
ffi::constants::LIBUSB_CONTROL_SETUP_SIZE + 1
);
assert_eq!(transfer.timeout, 1000);
assert_eq!(
transfer.transfer_type,
ffi::constants::LIBUSB_TRANSFER_TYPE_CONTROL
);
assert_eq!(transfer.buffer, buf.as_mut_ptr());
let data = unsafe {
std::slice::from_raw_parts(ffi::libusb_control_transfer_get_data(transfer as *mut _), 1)
};
assert_eq!(data[0], 0x05);
}
#[test]
fn test_fill_bulk_transfer() {
extern "system" fn callback(_transfer: *mut ffi::libusb_transfer) {}
let mut transfer = std::mem::MaybeUninit::<ffi::libusb_transfer>::uninit();
let mut buf = [5u8; 64];
unsafe {
ffi::libusb_fill_bulk_transfer(
transfer.as_mut_ptr(),
std::ptr::null_mut(),
0x80,
buf.as_mut_ptr(),
buf.len() as libc::c_int,
callback,
std::ptr::null_mut(),
1000,
);
}
let transfer = unsafe { &transfer.assume_init() };
assert_eq!(transfer.endpoint, 0x80);
assert_eq!(transfer.timeout, 1000);
assert_eq!(
transfer.transfer_type,
ffi::constants::LIBUSB_TRANSFER_TYPE_BULK
);
assert_eq!(transfer.buffer, buf.as_mut_ptr());
assert_eq!(transfer.length, buf.len() as libc::c_int);
}
|
