// Copyright 2008, Google Inc.

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// 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.

//     * Neither the name of Google Inc. nor the names of its

// 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

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// Author: wan@google.com (Zhanyong Wan)

// Google Mock - a framework for writing C++ mock classes.

//

// This file tests code in gmock.cc.

#include "gmock/gmock.h"

#include <string>

#include "gtest/gtest.h"

#if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)

using testing::GMOCK_FLAG(verbose);

using testing::InitGoogleMock;

// Verifies that calling InitGoogleMock() on argv results in new_argv,

// and the gmock_verbose flag's value is set to expected_gmock_verbose.

template <typename Char, int M, int N>

void TestInitGoogleMock(const Char* (&argv)[M], const Char* (&new_argv)[N],

                        const ::std::string& expected_gmock_verbose) {

  const ::std::string old_verbose = GMOCK_FLAG(verbose);

  int argc = M;

  InitGoogleMock(&argc, const_cast<Char**>(argv));

  ASSERT_EQ(N, argc) << "The new argv has wrong number of elements.";

  for (int i = 0; i < N; i++) {

    EXPECT_STREQ(new_argv[i], argv[i]);

  }

  EXPECT_EQ(expected_gmock_verbose, GMOCK_FLAG(verbose).c_str());

  GMOCK_FLAG(verbose) = old_verbose;  // Restores the gmock_verbose flag.

}

TEST(InitGoogleMockTest, ParsesInvalidCommandLine) {

  const char* argv[] = {

    NULL

  };

  const char* new_argv[] = {

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {

  const char* argv[] = {

    "foo.exe",

    NULL

  };

  const char* new_argv[] = {

    "foo.exe",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(InitGoogleMockTest, ParsesSingleFlag) {

  const char* argv[] = {

    "foo.exe",

    "--gmock_verbose=info",

    NULL

  };

  const char* new_argv[] = {

    "foo.exe",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, "info");

}

TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {

  const char* argv[] = {

    "foo.exe",

    "--non_gmock_flag=blah",

    NULL

  };

  const char* new_argv[] = {

    "foo.exe",

    "--non_gmock_flag=blah",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {

  const char* argv[] = {

    "foo.exe",

    "--non_gmock_flag=blah",

    "--gmock_verbose=error",

    NULL

  };

  const char* new_argv[] = {

    "foo.exe",

    "--non_gmock_flag=blah",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, "error");

}

TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {

  const wchar_t* argv[] = {

    NULL

  };

  const wchar_t* new_argv[] = {

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {

  const wchar_t* argv[] = {

    L"foo.exe",

    NULL

  };

  const wchar_t* new_argv[] = {

    L"foo.exe",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(WideInitGoogleMockTest, ParsesSingleFlag) {

  const wchar_t* argv[] = {

    L"foo.exe",

    L"--gmock_verbose=info",

    NULL

  };

  const wchar_t* new_argv[] = {

    L"foo.exe",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, "info");

}

TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {

  const wchar_t* argv[] = {

    L"foo.exe",

    L"--non_gmock_flag=blah",

    NULL

  };

  const wchar_t* new_argv[] = {

    L"foo.exe",

    L"--non_gmock_flag=blah",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));

}

TEST(WideInitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {

  const wchar_t* argv[] = {

    L"foo.exe",

    L"--non_gmock_flag=blah",

    L"--gmock_verbose=error",

    NULL

  };

  const wchar_t* new_argv[] = {

    L"foo.exe",

    L"--non_gmock_flag=blah",

    NULL

  };

  TestInitGoogleMock(argv, new_argv, "error");

}

#endif  // !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)

// Makes sure Google Mock flags can be accessed in code.

TEST(FlagTest, IsAccessibleInCode) {

  bool dummy = testing::GMOCK_FLAG(catch_leaked_mocks) &&

      testing::GMOCK_FLAG(verbose) == "";

  (void)dummy;  // Avoids the "unused local variable" warning.

}