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/// A test that async-backtrace is well-behaved under contention.
///
/// In this test, two threads are spawned:
/// 1. Thread 1 executes a `framed` future, which requests a blocking taskdump
/// three times in different ways (immediately, in a sub-frame, and upon drop).
/// 2. Thread 2 requests a blocking taskdump.
mod util;
use async_backtrace::framed;
#[test]
fn contention() {
util::model(|| {
let handle_a = util::thread::spawn(|| util::run(outer()));
let handle_b = util::thread::spawn(|| async_backtrace::taskdump_tree(true));
handle_a.join().unwrap();
handle_b.join().unwrap();
});
}
#[framed]
pub async fn outer() {}
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