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#include <gtest/gtest.h>
#include <jellyfish/locks_pthread.hpp>
using testing::Types;
#define NB_THREADS 3
#define COUNT 1000000
template <class mutex>
class MutexTest : public ::testing::Test
{
int volatile count;
mutex count_mutex;
pthread_t threads[NB_THREADS];
pthread_attr_t attr;
public:
MutexTest() : count(0), count_mutex() {
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
for(int i = 0; i < NB_THREADS; i++)
pthread_create(&threads[i], &attr, thread_fun, (void *)this);
for(int i = 0; i < NB_THREADS; i++)
pthread_join(threads[i], NULL);
}
static void *thread_fun(void *t) {
MutexTest<mutex> *self = (MutexTest<mutex> *)t;
self->inc();
return NULL;
}
void inc() {
for(int i = 0; i < COUNT; i++) {
count_mutex.lock();
count++;
count_mutex.unlock();
}
}
int get_count() { return count; }
};
typedef Types<locks::pthread::mutex> Implementations;
TYPED_TEST_CASE(MutexTest, Implementations);
TYPED_TEST(MutexTest, SuccessfullLocking) {
EXPECT_EQ(NB_THREADS * COUNT, this->get_count());
}
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