lldb/unittests/Host/ThreadLauncherTest.cpp

   1 //===-- ThreadLauncherTest.cpp --------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Host/ThreadLauncher.h"
  10 #include "llvm/Testing/Support/Error.h"
  11 #include "gtest/gtest.h"
  12 #include <future>
  13
  14 using namespace lldb_private;
  15
  16 TEST(ThreadLauncherTest, LaunchThread) {
  17   std::promise<int> promise;
  18   std::future<int> future = promise.get_future();
  19   llvm::Expected<HostThread> thread =
  20       ThreadLauncher::LaunchThread("test", [&promise] {
  21         promise.set_value(47);
  22         return (lldb::thread_result_t)47;
  23       });
  24   ASSERT_THAT_EXPECTED(thread, llvm::Succeeded());
  25   EXPECT_EQ(future.get(), 47);
  26   lldb::thread_result_t result;
  27   thread->Join(&result);
  28   EXPECT_EQ(result, (lldb::thread_result_t)47);
  29 }