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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::rc::Rc;
use std::sync::Arc;
use std::sync::atomic::{AtomicBool, Ordering};
use std::time::Duration;
use anyhow::Error;
use compositing_traits::rendering_context::{RenderingContext, SoftwareRenderingContext};
use dpi::PhysicalSize;
use embedder_traits::EventLoopWaker;
use servo::{Servo, ServoBuilder};
macro_rules! run_api_tests {
($($test_function:ident), +) => {
let mut failed = false;
// Be sure that `servo_test` is dropped before exiting early.
{
let servo_test = ServoTest::new();
$(
common::run_test($test_function, stringify!($test_function), &servo_test, &mut failed);
)+
}
if failed {
std::process::exit(1);
}
}
}
pub(crate) use run_api_tests;
pub(crate) fn run_test(
test_function: fn(&ServoTest) -> Result<(), Error>,
test_name: &str,
servo_test: &ServoTest,
failed: &mut bool,
) {
match test_function(servo_test) {
Ok(_) => println!(" ✅ {test_name}"),
Err(error) => {
*failed = true;
println!(" ❌ {test_name}");
println!("{}", format!("\n{error:?}").replace("\n", "\n "));
},
}
}
pub struct ServoTest {
servo: Servo,
}
impl Drop for ServoTest {
fn drop(&mut self) {
self.servo.start_shutting_down();
while self.servo.spin_event_loop() {
std::thread::sleep(Duration::from_millis(1));
}
self.servo.deinit();
}
}
impl ServoTest {
pub(crate) fn new() -> Self {
let rendering_context = Rc::new(
SoftwareRenderingContext::new(PhysicalSize {
width: 500,
height: 500,
})
.expect("Could not create SoftwareRenderingContext"),
);
assert!(rendering_context.make_current().is_ok());
#[derive(Clone)]
struct EventLoopWakerImpl(Arc<AtomicBool>);
impl EventLoopWaker for EventLoopWakerImpl {
fn clone_box(&self) -> Box<dyn EventLoopWaker> {
Box::new(self.clone())
}
fn wake(&self) {
self.0.store(true, Ordering::Relaxed);
}
}
let user_event_triggered = Arc::new(AtomicBool::new(false));
let servo = ServoBuilder::new(rendering_context.clone())
.event_loop_waker(Box::new(EventLoopWakerImpl(user_event_triggered)))
.build();
Self { servo }
}
pub fn servo(&self) -> &Servo {
&self.servo
}
/// Spin the Servo event loop until one of:
/// - The given callback returns `Ok(false)`.
/// - The given callback returns an `Error`, in which case the `Error` will be returned.
/// - Servo has indicated that shut down is complete and we cannot spin the event loop
/// any longer.
// The dead code exception here is because not all test suites that use `common` also
// use `spin()`.
#[allow(dead_code)]
pub fn spin(&self, callback: impl Fn() -> Result<bool, Error> + 'static) -> Result<(), Error> {
let mut keep_going = true;
while keep_going {
std::thread::sleep(Duration::from_millis(1));
if !self.servo.spin_event_loop() {
return Ok(());
}
let result = callback();
match result {
Ok(result) => keep_going = result,
Err(error) => return Err(error),
}
}
Ok(())
}
}
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