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plibsys/tests/pcondvariable_test.cpp at master · sigdev2/plibsys · GitHub
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/*
* The MIT License
*
* Copyright (C) 2013-2023 Alexander Saprykin <saprykin.spb@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#
include
"
plibsys.h
"
#
include
"
ptestmacros.h
"
P_TEST_MODULE_INIT
();
#
define
PCONDTEST_MAX_QUEUE
10
static
pint thread_wakeups =
0
;
static
pint thread_queue =
0
;
static
PCondVariable * queue_empty_cond =
NULL
;
static
PCondVariable * queue_full_cond =
NULL
;
static
PMutex * cond_mutex =
NULL
;
volatile
static
pboolean is_working =
TRUE
;
extern
"
C
"
ppointer
pmem_alloc
(psize nbytes)
{
P_UNUSED
(nbytes);
return
(ppointer)
NULL
;
}
extern
"
C
"
ppointer
pmem_realloc
(ppointer block, psize nbytes)
{
P_UNUSED
(block);
P_UNUSED
(nbytes);
return
(ppointer)
NULL
;
}
extern
"
C
"
void
pmem_free
(ppointer block)
{
P_UNUSED
(block);
}
static
void
*
producer_test_thread
(
void
*)
{
while
(is_working ==
TRUE
) {
if
(!
p_mutex_lock
(cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_broadcast
(queue_full_cond);
p_uthread_exit
(
1
);
}
while
(thread_queue >=
PCONDTEST_MAX_QUEUE
&& is_working ==
TRUE
) {
if
(!
p_cond_variable_wait
(queue_empty_cond, cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_broadcast
(queue_full_cond);
p_mutex_unlock
(cond_mutex);
p_uthread_exit
(
1
);
}
}
if
(is_working) {
++thread_queue;
++thread_wakeups;
}
if
(!
p_cond_variable_broadcast
(queue_full_cond)) {
is_working =
FALSE
;
p_mutex_unlock
(cond_mutex);
p_uthread_exit
(
1
);
}
if
(!
p_mutex_unlock
(cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_broadcast
(queue_full_cond);
p_uthread_exit
(
1
);
}
}
p_cond_variable_broadcast
(queue_full_cond);
p_uthread_exit
(
0
);
return
NULL
;
}
static
void
*
consumer_test_thread
(
void
*)
{
while
(is_working ==
TRUE
) {
if
(!
p_mutex_lock
(cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_signal
(queue_empty_cond);
p_uthread_exit
(
1
);
}
while
(thread_queue <=
0
&& is_working ==
TRUE
) {
if
(!
p_cond_variable_wait
(queue_full_cond, cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_signal
(queue_empty_cond);
p_mutex_unlock
(cond_mutex);
p_uthread_exit
(
1
);
}
}
if
(is_working) {
--thread_queue;
++thread_wakeups;
}
if
(!
p_cond_variable_signal
(queue_empty_cond)) {
is_working =
FALSE
;
p_mutex_unlock
(cond_mutex);
p_uthread_exit
(
1
);
}
if
(!
p_mutex_unlock
(cond_mutex)) {
is_working =
FALSE
;
p_cond_variable_signal
(queue_empty_cond);
p_uthread_exit
(
1
);
}
}
p_cond_variable_signal
(queue_empty_cond);
p_uthread_exit
(
0
);
return
NULL
;
}
P_TEST_CASE_BEGIN
(pcondvariable_nomem_test)
{
p_libsys_init
();
PMemVTable vtable;
vtable.
f_free
= pmem_free;
vtable.
f_malloc
= pmem_alloc;
vtable.
f_realloc
= pmem_realloc;
P_TEST_CHECK
(
p_mem_set_vtable
(&vtable) ==
TRUE
);
P_TEST_CHECK
(
p_cond_variable_new
() ==
NULL
);
p_mem_restore_vtable
();
p_libsys_shutdown
();
}
P_TEST_CASE_END
()
P_TEST_CASE_BEGIN
(pcondvariable_bad_input_test)
{
p_libsys_init
();
P_TEST_REQUIRE
(
p_cond_variable_broadcast
(
NULL
) ==
FALSE
);
P_TEST_REQUIRE
(
p_cond_variable_signal
(
NULL
) ==
FALSE
);
P_TEST_REQUIRE
(
p_cond_variable_wait
(
NULL
,
NULL
) ==
FALSE
);
p_cond_variable_free
(
NULL
);
p_libsys_shutdown
();
}
P_TEST_CASE_END
()
P_TEST_CASE_BEGIN
(pcondvariable_general_test)
{
PUThread *thr1;
PUThread *thr2;
PUThread *thr3;
p_libsys_init
();
queue_empty_cond =
p_cond_variable_new
();
P_TEST_REQUIRE
(queue_empty_cond !=
NULL
);
queue_full_cond =
p_cond_variable_new
();
P_TEST_REQUIRE
(queue_full_cond !=
NULL
);
cond_mutex =
p_mutex_new
();
P_TEST_REQUIRE
(cond_mutex !=
NULL
);
is_working =
TRUE
;
thread_wakeups =
0
;
thread_queue =
0
;
thr1 =
p_uthread_create
((PUThreadFunc) producer_test_thread,
NULL
,
TRUE
,
NULL
);
P_TEST_REQUIRE
(thr1 !=
NULL
);
thr2 =
p_uthread_create
((PUThreadFunc) consumer_test_thread,
NULL
,
TRUE
,
NULL
);
P_TEST_REQUIRE
(thr2 !=
NULL
);
thr3 =
p_uthread_create
((PUThreadFunc) consumer_test_thread,
NULL
,
TRUE
,
NULL
);
P_TEST_REQUIRE
(thr3 !=
NULL
);
P_TEST_REQUIRE
(
p_cond_variable_broadcast
(queue_empty_cond) ==
TRUE
);
P_TEST_REQUIRE
(
p_cond_variable_broadcast
(queue_full_cond) ==
TRUE
);
p_uthread_sleep
(
4000
);
is_working =
FALSE
;
P_TEST_CHECK
(
p_uthread_join
(thr1) ==
0
);
P_TEST_CHECK
(
p_uthread_join
(thr2) ==
0
);
P_TEST_CHECK
(
p_uthread_join
(thr3) ==
0
);
P_TEST_REQUIRE
(thread_wakeups >
0
&& thread_queue >=
0
&& thread_queue <=
10
);
p_uthread_unref
(thr1);
p_uthread_unref
(thr2);
p_uthread_unref
(thr3);
p_cond_variable_free
(queue_empty_cond);
p_cond_variable_free
(queue_full_cond);
p_mutex_free
(cond_mutex);
p_libsys_shutdown
();
}
P_TEST_CASE_END
()
P_TEST_SUITE_BEGIN
()
{
P_TEST_SUITE_RUN_CASE
(pcondvariable_nomem_test);
P_TEST_SUITE_RUN_CASE
(pcondvariable_bad_input_test);
P_TEST_SUITE_RUN_CASE
(pcondvariable_general_test);
}
P_TEST_SUITE_END
()
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