int main()
{
creat(7);
printq();
enq(9);
printq();
outq();
printq();
return 0;
}
void
TestLimiterNode() {
int out_int;
tbb::flow::graph g;
tbb::flow::limiter_node<int> ln(g,1);
REMARK("Testing limiter_node: preds and succs");
ASSERT(ln.decrement.my_predecessor_count == 0, "error in pred count");
ASSERT(ln.decrement.my_initial_predecessor_count == 0, "error in initial pred count");
ASSERT(ln.decrement.my_current_count == 0, "error in current count");
ASSERT(ln.init_decrement_predecessors == 0, "error in decrement predecessors");
ASSERT(ln.my_threshold == 1, "error in my_threshold");
tbb::flow::queue_node<int> inq(g);
tbb::flow::queue_node<int> outq(g);
tbb::flow::broadcast_node<tbb::flow::continue_msg> bn(g);
tbb::flow::make_edge(inq,ln);
tbb::flow::make_edge(ln,outq);
tbb::flow::make_edge(bn,ln.decrement);
g.wait_for_all();
ASSERT(!(ln.my_successors.empty()),"successors empty after make_edge");
ASSERT(ln.my_predecessors.empty(), "input edge reversed");
inq.try_put(1);
g.wait_for_all();
ASSERT(outq.try_get(out_int) && out_int == 1, "limiter_node didn't pass first value");
ASSERT(ln.my_predecessors.empty(), "input edge reversed");
inq.try_put(2);
g.wait_for_all();
ASSERT(!outq.try_get(out_int), "limiter_node incorrectly passed second input");
ASSERT(!ln.my_predecessors.empty(), "input edge to limiter_node not reversed");
bn.try_put(tbb::flow::continue_msg());
g.wait_for_all();
ASSERT(outq.try_get(out_int) && out_int == 2, "limiter_node didn't pass second value");
g.wait_for_all();
ASSERT(!ln.my_predecessors.empty(), "input edge was reversed(after try_get())");
g.reset();
ASSERT(ln.my_predecessors.empty(), "input edge not reset");
inq.try_put(3);
g.wait_for_all();
ASSERT(outq.try_get(out_int) && out_int == 3, "limiter_node didn't pass third value");
REMARK(" rf_clear_edges");
// currently the limiter_node will not pass another message
g.reset(tbb::flow::rf_clear_edges);
ASSERT(ln.decrement.my_predecessor_count == 0, "error in pred count");
ASSERT(ln.decrement.my_initial_predecessor_count == 0, "error in initial pred count");
ASSERT(ln.decrement.my_current_count == 0, "error in current count");
ASSERT(ln.init_decrement_predecessors == 0, "error in decrement predecessors");
ASSERT(ln.my_threshold == 1, "error in my_threshold");
ASSERT(ln.my_predecessors.empty(), "preds not reset(rf_clear_edges)");
ASSERT(ln.my_successors.empty(), "preds not reset(rf_clear_edges)");
ASSERT(inq.my_successors.empty(), "Arc not removed on reset(rf_clear_edges)");
ASSERT(inq.my_successors.empty(), "Arc not removed on reset(rf_clear_edges)");
ASSERT(bn.my_successors.empty(), "control edge not removed on reset(rf_clear_edges)");
tbb::flow::make_edge(inq,ln);
tbb::flow::make_edge(ln,outq);
inq.try_put(4);
inq.try_put(5);
g.wait_for_all();
ASSERT(outq.try_get(out_int),"missing output after reset(rf_clear_edges)");
ASSERT(out_int == 4, "input incorrect (4)");
bn.try_put(tbb::flow::continue_msg());
g.wait_for_all();
ASSERT(!outq.try_get(out_int),"second output incorrectly passed (rf_clear_edges)");
REMARK(" done\n");
}