Add unittest

Add unittest

[   46s] + ./bounded
[   46s]
[   46s] running 21 tests
[   46s] test capacity ... ok
[   46s] test len_empty_full ... ok
[   46s] test receiver_count ... ok
[   46s] test recv_after_close ... ok
[   46s] test len ... ok
[   46s] test send_after_close ... ok
[   46s] test sender_count ... ok
[   46s] test smoke ... ok
[   46s] test smoke_blocking ... ok
[   46s] test weak ... ok
[   46s] test spsc ... ok
[   46s] test mpmc ... ok
[   46s] test mpmc_stream ... ok
[   46s] test forget_blocked_receiver ... ok
[   46s] test forget_blocked_sender ... ok
[   47s] test close_wakes_sender ... ok
[   47s] test close_wakes_receiver ... ok
[   48s] test try_recv ... ok
[   48s] test try_send ... ok
[   49s] test recv ... ok
[   49s] test send ... ok
[   49s]
[   49s] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.57s
[   49s]
[   49s] + for unit_test in '"bounded"' '"unbounded"'
[   49s] + ./unbounded
[   50s]
[   50s] running 18 tests
[   50s] test capacity ... ok
[   50s] test len ... ok
[   50s] test len_empty_full ... ok
[   50s] test recv_after_close ... ok
[   50s] test receiver_count ... ok
[   50s] test send ... ok
[   50s] test send_after_close ... ok
[   50s] test sender_count ... ok
[   50s] test smoke ... ok
[   50s] test smoke_blocking ... ok
[   50s] test mpmc ... ok
[   50s] test mpmc_stream ... ok
[   50s] test try_send ... ok
[   50s] test weak ... ok
[   50s] test spsc ... ok
[   51s] test close_wakes_receiver ... ok
[   52s] test try_recv ... ok
[   53s] test recv ... ok
[   53s]
[   53s] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.70s