#![cfg(test)]
macro_rules! instance {
() => {{
use crate::instance;
match instance::Instance::new(None, &instance::InstanceExtensions::none(), None) {
Ok(i) => i,
Err(_) => return,
}
}};
}
macro_rules! gfx_dev_and_queue {
($($feature:ident),*) => ({
use crate::instance;
use crate::device::Device;
use crate::device::DeviceExtensions;
use crate::features::Features;
let instance = instance!();
let physical = match instance::PhysicalDevice::enumerate(&instance).next() {
Some(p) => p,
None => return
};
let queue = match physical.queue_families().find(|q| q.supports_graphics()) {
Some(q) => q,
None => return
};
let extensions = DeviceExtensions::none();
let features = Features {
$(
$feature: true,
)*
.. Features::none()
};
if !physical.supported_features().superset_of(&features) {
return;
}
let (device, mut queues) = match Device::new(physical, &features,
&extensions, [(queue, 0.5)].iter().cloned())
{
Ok(r) => r,
Err(_) => return
};
(device, queues.next().unwrap())
});
}
macro_rules! assert_should_panic {
($msg:expr, $code:block) => {{
let res = ::std::panic::catch_unwind(::std::panic::AssertUnwindSafe(|| $code));
match res {
Ok(_) => panic!("Test expected to panic but didn't"),
Err(err) => {
if let Some(msg) = err.downcast_ref::<String>() {
assert!(msg.contains($msg));
} else if let Some(&msg) = err.downcast_ref::<&str>() {
assert!(msg.contains($msg));
} else {
panic!("Couldn't decipher the panic message of the test")
}
}
}
}};
($code:block) => {{
let res = ::std::panic::catch_unwind(::std::panic::AssertUnwindSafe(|| $code));
match res {
Ok(_) => panic!("Test expected to panic but didn't"),
Err(_) => {}
}
}};
}