void run(void)
{
running = true;
thread_group writer;
thread_group reader;
BOOST_REQUIRE(sf.empty());
for (int i = 0; i != reader_threads; ++i)
reader.create_thread(boost::bind(&fifo_tester::get, this));
for (int i = 0; i != writer_threads; ++i)
writer.create_thread(boost::bind(&fifo_tester::add, this));
cout << "reader and writer threads created" << endl;
writer.join_all();
cout << "writer threads joined. waiting for readers to finish" << endl;
running = false;
reader.join_all();
BOOST_REQUIRE_EQUAL(received_nodes, writer_threads * nodes_per_thread);
BOOST_REQUIRE_EQUAL(fifo_cnt, 0);
BOOST_REQUIRE(sf.empty());
BOOST_REQUIRE(working_set.count_nodes() == 0);
}
bool get_element(void)
{
int data;
bool success = sf.dequeue(data);
if (success)
{
++received_nodes;
--fifo_cnt;
bool erased = working_set.erase(data);
assert(erased);
return true;
}
else
return false;
}
void add(void)
{
for (unsigned i = 0; i != nodes_per_thread; ++i)
{
while(fifo_cnt > 10000)
thread::yield();
int id = generate_id<int>();
working_set.insert(id);
while (sf.enqueue(id) == false)
{
thread::yield();
}
++fifo_cnt;
}
}
static void test_bidir_char_fifo(fifo& fc)
{
check(fc.is_char_fifo());
fc.enq("0123456789abcdefghijklmnopqrstuvwxy");
fc.var_enq(variant('z'));
fc.var_enq(variant("./"));
check(fc.preview() == '0');
check(fc.get() == '0');
variant v;
fc.var_deq(v);
check(v.as_uchar() == '1');
v.clear();
fc.var_preview(v);
check(v.as_uchar() == '2');
check(fc.deq(16) == "23456789abcdefgh");
check(fc.deq(memfifo::CHAR_ALL) == "ijklmnopqrstuvwxyz./");
check(fc.empty());
fc.enq("0123456789");
fc.enq("abcdefghijklmnopqrstuvwxyz");
check(fc.get() == '0');
while (!fc.empty())
fc.deq(fifo::CHAR_SOME);
fc.enq("0123456789abcdefghijklmnopqrstuvwxyz");
check(fc.deq("0-9") == "0123456789");
check(fc.deq("a-z") == "abcdefghijklmnopqrstuvwxyz");
check(fc.empty());
}
fifo_tester(void):
fifo_cnt(0), received_nodes(0)
{
sf.reserve(128);
}
