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gmock_test.cc
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// 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.
// 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"
#include "gtest/internal/custom/gtest.h"
#if !defined(GTEST_CUSTOM_INIT_GOOGLE_TEST_FUNCTION_)
using testing::GMOCK_FLAG(default_mock_behavior);
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 - 1;
InitGoogleMock(&argc, const_cast<Char**>(argv));
ASSERT_EQ(N - 1, 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[] = {nullptr};
const char* new_argv[] = {nullptr};
TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
}
TEST(InitGoogleMockTest, ParsesEmptyCommandLine) {
const char* argv[] = {"foo.exe", nullptr};
const char* new_argv[] = {"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
}
TEST(InitGoogleMockTest, ParsesSingleFlag) {
const char* argv[] = {"foo.exe", "--gmock_verbose=info", nullptr};
const char* new_argv[] = {"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, "info");
}
TEST(InitGoogleMockTest, ParsesMultipleFlags) {
int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
L"--gmock_default_mock_behavior=2", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, "info");
EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
EXPECT_NE(2, old_default_behavior);
GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
}
TEST(InitGoogleMockTest, ParsesUnrecognizedFlag) {
const char* argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
}
TEST(InitGoogleMockTest, ParsesGoogleMockFlagAndUnrecognizedFlag) {
const char* argv[] = {"foo.exe", "--non_gmock_flag=blah",
"--gmock_verbose=error", nullptr};
const char* new_argv[] = {"foo.exe", "--non_gmock_flag=blah", nullptr};
TestInitGoogleMock(argv, new_argv, "error");
}
TEST(WideInitGoogleMockTest, ParsesInvalidCommandLine) {
const wchar_t* argv[] = {nullptr};
const wchar_t* new_argv[] = {nullptr};
TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
}
TEST(WideInitGoogleMockTest, ParsesEmptyCommandLine) {
const wchar_t* argv[] = {L"foo.exe", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, GMOCK_FLAG(verbose));
}
TEST(WideInitGoogleMockTest, ParsesSingleFlag) {
const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, "info");
}
TEST(WideInitGoogleMockTest, ParsesMultipleFlags) {
int old_default_behavior = GMOCK_FLAG(default_mock_behavior);
const wchar_t* argv[] = {L"foo.exe", L"--gmock_verbose=info",
L"--gmock_default_mock_behavior=2", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", nullptr};
TestInitGoogleMock(argv, new_argv, "info");
EXPECT_EQ(2, GMOCK_FLAG(default_mock_behavior));
EXPECT_NE(2, old_default_behavior);
GMOCK_FLAG(default_mock_behavior) = old_default_behavior;
}
TEST(WideInitGoogleMockTest, ParsesUnrecognizedFlag) {
const wchar_t* argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
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", nullptr};
const wchar_t* new_argv[] = {L"foo.exe", L"--non_gmock_flag=blah", nullptr};
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.
}

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