+/*
+ * Copyright 2017 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Make sure we include ThreadId.h before anything else.
+// There is no ThreadId.cpp file, so this test is the only thing that verifies
+// that ThreadId.h compiles by itself when included first.
+#include <folly/ThreadId.h>
+
+#include <thread>
+
+#include <folly/portability/GTest.h>
+
+TEST(ThreadId, getCurrentID) {
+ auto thisThreadID = folly::getCurrentThreadID();
+ uint64_t otherThreadID;
+ std::thread otherThread{[&] { otherThreadID = folly::getCurrentThreadID(); }};
+ otherThread.join();
+ EXPECT_NE(thisThreadID, otherThreadID);
+}
+
+TEST(ThreadId, getOSThreadID) {
+ auto thisThreadID = folly::getOSThreadID();
+ uint64_t otherThreadID;
+ std::thread otherThread{[&] { otherThreadID = folly::getOSThreadID(); }};
+ otherThread.join();
+ EXPECT_NE(thisThreadID, otherThreadID);
+}