chromium/third_party/googletest/src/googletest/src/gtest_main.cc

// Copyright 2006, Google Inc.
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//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include <cstdio>

#include "gtest/gtest.h"

#if defined(GTEST_OS_ESP8266) || defined(GTEST_OS_ESP32) || \
    (defined(GTEST_OS_NRF52) && defined(ARDUINO))
// Arduino-like platforms: program entry points are setup/loop instead of main.

#ifdef GTEST_OS_ESP8266
extern "C" {
#endif

void setup() { testing::InitGoogleTest(); }

void loop() { RUN_ALL_TESTS(); }

#ifdef GTEST_OS_ESP8266
}
#endif

#elif defined(GTEST_OS_QURT)
// QuRT: program entry point is main, but argc/argv are unusable.

GTEST_API_ int main() {
  printf("Running main() from %s\n", __FILE__);
  testing::InitGoogleTest();
  return RUN_ALL_TESTS();
}
#else
// Normal platforms: program entry point is main, argc/argv are initialized.

GTEST_API_ int main(int argc, char **argv) { … }
#endif