191     const COUNT: usize = 50;  in len()  constant
193     const COUNT: usize = 25_000;  in len()  constant
256     const COUNT: usize = 50;  in spsc()  constant
258     const COUNT: usize = 100_000;  in spsc()  constant
281     const COUNT: usize = 50;  in mpmc()  constant
283     const COUNT: usize = 25_000;  in mpmc()  constant
316     const COUNT: usize = 50;  in stress_oneshot()  constant
318     const COUNT: usize = 10_000;  in stress_oneshot()  constant
334     const COUNT: usize = 50;  in stress_iter()  constant
336     const COUNT: usize = 1000;  in stress_iter()  constant
366     const COUNT: usize = 100;  in stress_timeout_two_threads()  constant
456     const COUNT: usize = 50;  in fairness()  constant
458     const COUNT: usize = 10_000;  in fairness()  constant
490     const COUNT: usize = 100;  in fairness_duplicates()  constant
492     const COUNT: usize = 10_000;  in fairness_duplicates()  constant
551     const COUNT: usize = 50;  in channel_through_channel()  constant
553     const COUNT: usize = 1000;  in channel_through_channel()  constant