15.4.1155  src/lib/std/src/pthread/cpu-bound-task-pthreads-unit-test.pkg

## cpu-bound-task-pthreads-unit-test.pkg
#
# Unit/regression test functionality for
#
#    src/lib/std/src/pthread/cpu-bound-task-pthreads.pkg
#
# (The cpu_bound_task_pthreads server offloads cpu-intensive
# tasks from the main pthread pthread.)

# Compiled by:
#     src/lib/test/unit-tests.lib

# Run by:
#     src/lib/test/all-unit-tests.pkg


stipulate
    package pth =  pthread;                                                     # pthread                       is from   src/lib/std/src/pthread.pkg
    package csp =  cpu_bound_task_pthreads;                                     # cpu_bound_task_pthreads       is from   src/lib/std/src/pthread/cpu-bound-task-pthreads.pkg
    #
    sleep = makelib::scripting_globals::sleep;
herein

    package cpu_bound_task_pthreads_unit_test {
        #
        include unit_test;                                                      # unit_test                     is from   src/lib/src/unit-test.pkg
 
        name =  "src/lib/std/src/pthread/cpu-bound-task-pthreads-unit-test.pkg";
 
 
        fun verify_basic__servercount__operation ()
            =
            {   # Pretty minimal test:  :-)
                #
                assert(  csp::get_count_of_running_pthreads () >= 0  );
            };

        fun verify_basic__start__operation ()
            =
            {   initial_servercount
                    =
                    csp::get_count_of_running_pthreads ();

                count2 =  csp::start  "cycleserver-pthread-unit-test";
                count3 =  csp::start  "cycleserver-pthread-unit-test";
                #
                sleep 0.01;
                #
                assert (count3 == initial_servercount + 2);
            };

        fun verify_basic__echo__operation ()
            =
            {   echoed_text = REF "";
                #
                csp::echo  { what => "foo",  reply => (fn what = (echoed_text := what)) };
                #
                sleep 0.01;
                #
                assert( *echoed_text == "foo" );
            };

        fun verify_basic__do__operation ()
            =
            {   result1 = REF 0;
                result2 = REF 0;
                #
                csp::do  (fn () =  result1 := 1);
                csp::do  (fn () =  result2 := 2);
                #
                sleep 0.01;
                #
                assert( *result1 == 1 );
                assert( *result2 == 2 );
            };

        fun verify_basic__stop__operation ()
            =
            {   initial_servercount
                    =
                    csp::get_count_of_running_pthreads ();

                csp::stop  { who => "cycleserver-pthread-unit-test",  reply => (fn _ = ()) };
                csp::stop  { who => "cycleserver-pthread-unit-test",  reply => (fn _ = ()) };
                #
                sleep 0.01;
                #
                final_servercount
                    =
                    csp::get_count_of_running_pthreads ();

                assert (final_servercount == initial_servercount - 2);
            };

        fun run ()
            =
            {   printf "\nDoing %s:\n" name;   
                #
                verify_basic__servercount__operation ();
                verify_basic__start__operation ();
                verify_basic__echo__operation ();
                verify_basic__do__operation ();
                verify_basic__stop__operation ();
                #
                summarize_unit_tests  name;
            };
    };
end;