9 ! This only tests co-operative threads in CFactor.
10 ! It won't give intended results in Java (or in CFactor if
11 ! we ever get preemptive threads).
14 [ yield 2 "x" set ] in-thread
15 [ 2 ] [ yield "x" get ] unit-test
16 [ ] [ [ flush ] in-thread flush ] unit-test
17 [ ] [ [ "Errors, errors" throw ] in-thread ] unit-test
20 [ ] [ 1/2 sleep ] unit-test
21 [ ] [ 0.3 sleep ] unit-test
22 [ "hey" sleep ] unit-test-fails