refactor: tests and format the world (#314)

tests/unit/Async/ThreadPoolTests.cpp

@@ -0,0 +1,41 @@
+#include "Test/Test.h"
+#include "Async/Async.h"
+
+namespace clice::testing {
+namespace {
+TEST_SUITE(Async) {
+
+TEST_CASE(ThreadPool) {
+    auto task_gen = []() -> async::Task<std::thread::id> {
+        co_return co_await async::submit([]() {
+            std::this_thread::sleep_for(std::chrono::milliseconds(100));
+            return std::this_thread::get_id();
+        });
+    };
+
+    auto task1 = task_gen();
+    auto task2 = task_gen();
+    auto task3 = task_gen();
+
+    task1.schedule();
+    task2.schedule();
+    task3.schedule();
+
+    async::run();
+
+    ASSERT_TRUE(task1.done());
+    ASSERT_TRUE(task2.done());
+    ASSERT_TRUE(task3.done());
+
+    auto id1 = task1.result();
+    auto id2 = task2.result();
+    auto id3 = task3.result();
+
+    ASSERT_NE(id1, id2);
+    ASSERT_NE(id1, id3);
+    ASSERT_NE(id2, id3);
+}
+
+};  // TEST_SUITE(Async)
+}  // namespace
+}  // namespace clice::testing