Function assert_poll_is_key

sdl/src/console.rs:738–747

Waits for `console.poll_key` to return `exp_key` and fails the test if it returns any other key.

(console: &mut SdlConsole, exp_key: Key)

        /// Waits for `console.poll_key` to return `exp_key` and fails the test if it returns any
        /// other key.
        fn assert_poll_is_key(console: &mut SdlConsole, exp_key: Key) {
            loop {
                match block_on(console.poll_key()).unwrap() {
                    Some(key) if key == exp_key => break,
                    Some(key) => panic!("Unexpected key {:?}", key),
                    None => (),
                }
                thread::sleep(Duration::from_millis(1));
            }
        }

        assert_poll_is_none(test.console());