text: /*
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * 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/system/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);
  }
  