gtest_main.cpp

#include <stdio.h>

#include "gtest/gtest.h"

class MinimalistPrinter : public ::testing::EmptyTestEventListener {
  void OnTestProgramEnd(const ::testing::UnitTest& unit_test) {
    std::cout << "elapsed time: " << unit_test.elapsed_time() << "\n";
  }
};

GTEST_API_ int main(int argc, char **argv) {
  printf("Running main() from gtest_main.cc\n");

  ::testing::TestEventListeners& listeners =
    ::testing::UnitTest::GetInstance()->listeners();

  auto defaultListener = listeners.Release(listeners.default_result_printer());
  delete defaultListener;

  listeners.Append(new MinimalistPrinter);


  testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}