Initial commit

tests/common/utils/TestMPSCQueue.cc

@@ -0,0 +1,31 @@
+#include <gtest/gtest.h>
+#include <memory>
+
+#include "common/utils/MPSCQueue.h"
+
+namespace hf3fs::test {
+namespace {
+
+TEST(TestMPSCQueue, Normal) {
+  constexpr auto N = 4096u;
+
+  MPSCQueue<size_t> que(N);
+  for (auto i = 0u; i < N; ++i) {
+    auto item = std::make_unique<size_t>(i);
+    ASSERT_TRUE(que.push(&item));
+    ASSERT_TRUE(item == nullptr);
+  }
+  auto more = std::make_unique<size_t>(0);
+  ASSERT_EQ(que.push(&more).code(), StatusCode::kQueueFull);
+  ASSERT_TRUE(more != nullptr);
+
+  for (auto i = 0u; i < N; ++i) {
+    std::unique_ptr<size_t> item;
+    ASSERT_TRUE(que.pop(&item));
+    ASSERT_TRUE(item != nullptr);
+  }
+  ASSERT_EQ(que.pop(&more).code(), StatusCode::kQueueEmpty);
+}
+
+}  // namespace
+}  // namespace hf3fs::test