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

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

//

// This file tests the internal utilities.

#include "gmock/internal/gmock-generated-internal-utils.h"

#include "gmock/internal/gmock-internal-utils.h"

#include "gtest/gtest.h"

namespace {

using ::testing::tuple;

using ::testing::Matcher;

using ::testing::internal::CompileAssertTypesEqual;

using ::testing::internal::MatcherTuple;

using ::testing::internal::Function;

using ::testing::internal::IgnoredValue;

// Tests the MatcherTuple template struct.

TEST(MatcherTupleTest, ForSize0) {

  CompileAssertTypesEqual<tuple<>, MatcherTuple<tuple<> >::type>();

}

TEST(MatcherTupleTest, ForSize1) {

  CompileAssertTypesEqual<tuple<Matcher<int> >,

                          MatcherTuple<tuple<int> >::type>();

}

TEST(MatcherTupleTest, ForSize2) {

  CompileAssertTypesEqual<tuple<Matcher<int>, Matcher<char> >,

                          MatcherTuple<tuple<int, char> >::type>();

}

TEST(MatcherTupleTest, ForSize5) {

  CompileAssertTypesEqual<tuple<Matcher<int>, Matcher<char>, Matcher<bool>,

                                Matcher<double>, Matcher<char*> >,

                          MatcherTuple<tuple<int, char, bool, double, char*>

                                      >::type>();

}

// Tests the Function template struct.

TEST(FunctionTest, Nullary) {

  typedef Function<int()> F;  // NOLINT

  CompileAssertTypesEqual<int, F::Result>();

  CompileAssertTypesEqual<tuple<>, F::ArgumentTuple>();

  CompileAssertTypesEqual<tuple<>, F::ArgumentMatcherTuple>();

  CompileAssertTypesEqual<void(), F::MakeResultVoid>();

  CompileAssertTypesEqual<IgnoredValue(), F::MakeResultIgnoredValue>();

}

TEST(FunctionTest, Unary) {

  typedef Function<int(bool)> F;  // NOLINT

  CompileAssertTypesEqual<int, F::Result>();

  CompileAssertTypesEqual<bool, F::Argument1>();

  CompileAssertTypesEqual<tuple<bool>, F::ArgumentTuple>();

  CompileAssertTypesEqual<tuple<Matcher<bool> >, F::ArgumentMatcherTuple>();

  CompileAssertTypesEqual<void(bool), F::MakeResultVoid>();  // NOLINT

  CompileAssertTypesEqual<IgnoredValue(bool),  // NOLINT

      F::MakeResultIgnoredValue>();

}

TEST(FunctionTest, Binary) {

  typedef Function<int(bool, const long&)> F;  // NOLINT

  CompileAssertTypesEqual<int, F::Result>();

  CompileAssertTypesEqual<bool, F::Argument1>();

  CompileAssertTypesEqual<const long&, F::Argument2>();  // NOLINT

  CompileAssertTypesEqual<tuple<bool, const long&>, F::ArgumentTuple>();  // NOLINT

  CompileAssertTypesEqual<tuple<Matcher<bool>, Matcher<const long&> >,  // NOLINT

                          F::ArgumentMatcherTuple>();

  CompileAssertTypesEqual<void(bool, const long&), F::MakeResultVoid>();  // NOLINT

  CompileAssertTypesEqual<IgnoredValue(bool, const long&),  // NOLINT

      F::MakeResultIgnoredValue>();

}

TEST(FunctionTest, LongArgumentList) {

  typedef Function<char(bool, int, char*, int&, const long&)> F;  // NOLINT

  CompileAssertTypesEqual<char, F::Result>();

  CompileAssertTypesEqual<bool, F::Argument1>();

  CompileAssertTypesEqual<int, F::Argument2>();

  CompileAssertTypesEqual<char*, F::Argument3>();

  CompileAssertTypesEqual<int&, F::Argument4>();

  CompileAssertTypesEqual<const long&, F::Argument5>();  // NOLINT

  CompileAssertTypesEqual<tuple<bool, int, char*, int&, const long&>,  // NOLINT

                          F::ArgumentTuple>();

  CompileAssertTypesEqual<tuple<Matcher<bool>, Matcher<int>, Matcher<char*>,

                                Matcher<int&>, Matcher<const long&> >,  // NOLINT

                          F::ArgumentMatcherTuple>();

  CompileAssertTypesEqual<void(bool, int, char*, int&, const long&),  // NOLINT

                          F::MakeResultVoid>();

  CompileAssertTypesEqual<

      IgnoredValue(bool, int, char*, int&, const long&),  // NOLINT

      F::MakeResultIgnoredValue>();

}

}  // Unnamed namespace