mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2026-02-14 12:51:48 +00:00
Code Activity

Add unit tests for ConcurrentQueue and ThreadPool

Browse source
This commit is contained in:
Robert O'Callahan 2026-02-02 23:16:20 +00:00
parent f34c6fec19
commit 56c0da2f43
1 changed files with 75 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

75
tests/unit/kernel/threadingTest.cc
View file

@ -161,4 +161,79 @@ TEST_F(ThreadingTest, MonotonicFlagSetAndReturnOld) {
EXPECT_TRUE(flag.set_and_return_old());
}
TEST_F(ThreadingTest, ConcurrentQueueBasic) {
ConcurrentQueue<int> queue;
queue.push_back(1);
queue.push_back(2);
queue.push_back(3);
auto v1 = queue.pop_front();
auto v2 = queue.pop_front();
auto v3 = queue.pop_front();
ASSERT_TRUE(v1.has_value());
ASSERT_TRUE(v2.has_value());
ASSERT_TRUE(v3.has_value());
EXPECT_EQ(*v1, 1);
EXPECT_EQ(*v2, 2);
EXPECT_EQ(*v3, 3);
}
TEST_F(ThreadingTest, ConcurrentQueueTryPopEmpty) {
ConcurrentQueue<int> queue;
auto v = queue.try_pop_front();
EXPECT_FALSE(v.has_value());
}
TEST_F(ThreadingTest, ConcurrentQueueClose) {
ConcurrentQueue<int> queue;
queue.push_back(42);
queue.close();
// Can still pop existing elements
auto v1 = queue.pop_front();
ASSERT_TRUE(v1.has_value());
EXPECT_EQ(*v1, 42);
// After close and empty, pop_front returns nullopt
auto v2 = queue.pop_front();
EXPECT_FALSE(v2.has_value());
}
TEST_F(ThreadingTest, ThreadPoolCreate) {
// pool_size of 0 means no worker threads
ThreadPool pool0(0, [](int) {});
EXPECT_EQ(pool0.num_threads(), 0);
// pool_size of 1 means 1 worker thread
std::atomic<int> counter{0};
{
ThreadPool pool1(1, [&counter](int thread_num) {
EXPECT_EQ(thread_num, 0);
counter.fetch_add(1);
});
}
#ifdef YOSYS_ENABLE_THREADS
EXPECT_EQ(counter.load(), 1);
#else
EXPECT_EQ(counter.load(), 0);
#endif
}
TEST_F(ThreadingTest, ThreadPoolMultipleThreads) {
std::atomic<int> counter{0};
{
ThreadPool pool(2, [&counter](int) {
counter.fetch_add(1);
});
EXPECT_LE(pool.num_threads(), 2);
}
#ifdef YOSYS_ENABLE_THREADS
EXPECT_GE(counter.load(), 1);
EXPECT_LE(counter.load(), 2);
#else
EXPECT_EQ(counter.load(), 0);
#endif
}
YOSYS_NAMESPACE_END