text: // Copyright 2009, 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 that:
  // a. A header file defining a mock class can be included in multiple
  //    translation units without causing a link error.
  // b. Actions and matchers can be instantiated with identical template
  //    arguments in different translation units without causing link
  //    errors.
  //    The following constructs are currently tested:
  //    Actions:
  //      Return()
  //      Return(value)
  //      ReturnNull
  //      ReturnRef
  //      Assign
  //      SetArgPointee
  //      SetArrayArgument
  //      SetErrnoAndReturn
  //      Invoke(function)
  //      Invoke(object, method)
  //      InvokeWithoutArgs(function)
  //      InvokeWithoutArgs(object, method)
  //      InvokeArgument
  //      WithArg
  //      WithArgs
  //      WithoutArgs
  //      DoAll
  //      DoDefault
  //      IgnoreResult
  //      Throw
  //      ACTION()-generated
  //      ACTION_P()-generated
  //      ACTION_P2()-generated
  //    Matchers:
  //      _
  //      A
  //      An
  //      Eq
  //      Gt, Lt, Ge, Le, Ne
  //      NotNull
  //      Ref
  //      TypedEq
  //      DoubleEq
  //      FloatEq
  //      NanSensitiveDoubleEq
  //      NanSensitiveFloatEq
  //      ContainsRegex
  //      MatchesRegex
  //      EndsWith
  //      HasSubstr
  //      StartsWith
  //      StrCaseEq
  //      StrCaseNe
  //      StrEq
  //      StrNe
  //      ElementsAre
  //      ElementsAreArray
  //      ContainerEq
  //      Field
  //      Property
  //      ResultOf(function)
  //      ResultOf(callback)
  //      Pointee
  //      Truly(predicate)
  //      AddressSatisfies
  //      AllOf
  //      AnyOf
  //      Not
  //      MatcherCast<T>
  //
  //  Please note: this test does not verify the functioning of these
  //  constructs, only that the programs using them will link successfully.
  //
  // Implementation note:
  // This test requires identical definitions of Interface and Mock to be
  // included in different translation units.  We achieve this by writing
  // them in this header and #including it in gmock_link_test.cc and
  // gmock_link2_test.cc.  Because the symbols generated by the compiler for
  // those constructs must be identical in both translation units,
  // definitions of Interface and Mock tests MUST be kept in the SAME
  // NON-ANONYMOUS namespace in this file.  The test fixture class LinkTest
  // is defined as LinkTest1 in gmock_link_test.cc and as LinkTest2 in
  // gmock_link2_test.cc to avoid producing linker errors.
  
  #ifndef GMOCK_TEST_GMOCK_LINK_TEST_H_
  #define GMOCK_TEST_GMOCK_LINK_TEST_H_
  
  #include "gmock/gmock.h"
  
  #if !GTEST_OS_WINDOWS_MOBILE
  # include <errno.h>
  #endif
  
  #include <iostream>
  #include <vector>
  
  #include "gtest/gtest.h"
  #include "gtest/internal/gtest-port.h"
  
  using testing::_;
  using testing::A;
  using testing::Action;
  using testing::AllOf;
  using testing::AnyOf;
  using testing::Assign;
  using testing::ContainerEq;
  using testing::DoAll;
  using testing::DoDefault;
  using testing::DoubleEq;
  using testing::ElementsAre;
  using testing::ElementsAreArray;
  using testing::EndsWith;
  using testing::Eq;
  using testing::Field;
  using testing::FloatEq;
  using testing::Ge;
  using testing::Gt;
  using testing::HasSubstr;
  using testing::IgnoreResult;
  using testing::Invoke;
  using testing::InvokeArgument;
  using testing::InvokeWithoutArgs;
  using testing::IsNull;
  using testing::IsSubsetOf;
  using testing::IsSupersetOf;
  using testing::Le;
  using testing::Lt;
  using testing::Matcher;
  using testing::MatcherCast;
  using testing::NanSensitiveDoubleEq;
  using testing::NanSensitiveFloatEq;
  using testing::Ne;
  using testing::Not;
  using testing::NotNull;
  using testing::Pointee;
  using testing::Property;
  using testing::Ref;
  using testing::ResultOf;
  using testing::Return;
  using testing::ReturnNull;
  using testing::ReturnRef;
  using testing::SetArgPointee;
  using testing::SetArrayArgument;
  using testing::StartsWith;
  using testing::StrCaseEq;
  using testing::StrCaseNe;
  using testing::StrEq;
  using testing::StrNe;
  using testing::Truly;
  using testing::TypedEq;
  using testing::WithArg;
  using testing::WithArgs;
  using testing::WithoutArgs;
  
  #if !GTEST_OS_WINDOWS_MOBILE
  using testing::SetErrnoAndReturn;
  #endif
  
  #if GTEST_HAS_EXCEPTIONS
  using testing::Throw;
  #endif
  
  using testing::ContainsRegex;
  using testing::MatchesRegex;
  
  class Interface {
   public:
    virtual ~Interface() {}
    virtual void VoidFromString(char* str) = 0;
    virtual char* StringFromString(char* str) = 0;
    virtual int IntFromString(char* str) = 0;
    virtual int& IntRefFromString(char* str) = 0;
    virtual void VoidFromFunc(void(*func)(char* str)) = 0;
    virtual void VoidFromIntRef(int& n) = 0;  // NOLINT
    virtual void VoidFromFloat(float n) = 0;
    virtual void VoidFromDouble(double n) = 0;
    virtual void VoidFromVector(const std::vector<int>& v) = 0;
  };
  
  class Mock: public Interface {
   public:
    Mock() {}
  
    MOCK_METHOD1(VoidFromString, void(char* str));
    MOCK_METHOD1(StringFromString, char*(char* str));
    MOCK_METHOD1(IntFromString, int(char* str));
    MOCK_METHOD1(IntRefFromString, int&(char* str));
    MOCK_METHOD1(VoidFromFunc, void(void(*func)(char* str)));
    MOCK_METHOD1(VoidFromIntRef, void(int& n));  // NOLINT
    MOCK_METHOD1(VoidFromFloat, void(float n));
    MOCK_METHOD1(VoidFromDouble, void(double n));
    MOCK_METHOD1(VoidFromVector, void(const std::vector<int>& v));
  
   private:
    GTEST_DISALLOW_COPY_AND_ASSIGN_(Mock);
  };
  
  class InvokeHelper {
   public:
    static void StaticVoidFromVoid() {}
    void VoidFromVoid() {}
    static void StaticVoidFromString(char* /* str */) {}
    void VoidFromString(char* /* str */) {}
    static int StaticIntFromString(char* /* str */) { return 1; }
    static bool StaticBoolFromString(const char* /* str */) { return true; }
  };
  
  class FieldHelper {
   public:
    explicit FieldHelper(int a_field) : field_(a_field) {}
    int field() const { return field_; }
    int field_;  // NOLINT -- need external access to field_ to test
                 //           the Field matcher.
  };
  
  // Tests the linkage of the ReturnVoid action.
  TEST(LinkTest, TestReturnVoid) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(Return());
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the Return action.
  TEST(LinkTest, TestReturn) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, StringFromString(_)).WillOnce(Return(&ch));
    mock.StringFromString(nullptr);
  }
  
  // Tests the linkage of the ReturnNull action.
  TEST(LinkTest, TestReturnNull) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(Return());
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the ReturnRef action.
  TEST(LinkTest, TestReturnRef) {
    Mock mock;
    int n = 42;
  
    EXPECT_CALL(mock, IntRefFromString(_)).WillOnce(ReturnRef(n));
    mock.IntRefFromString(nullptr);
  }
  
  // Tests the linkage of the Assign action.
  TEST(LinkTest, TestAssign) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(Assign(&ch, 'y'));
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the SetArgPointee action.
  TEST(LinkTest, TestSetArgPointee) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(SetArgPointee<0>('y'));
    mock.VoidFromString(&ch);
  }
  
  // Tests the linkage of the SetArrayArgument action.
  TEST(LinkTest, TestSetArrayArgument) {
    Mock mock;
    char ch = 'x';
    char ch2 = 'y';
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(SetArrayArgument<0>(&ch2,
                                                                      &ch2 + 1));
    mock.VoidFromString(&ch);
  }
  
  #if !GTEST_OS_WINDOWS_MOBILE
  
  // Tests the linkage of the SetErrnoAndReturn action.
  TEST(LinkTest, TestSetErrnoAndReturn) {
    Mock mock;
  
    int saved_errno = errno;
    EXPECT_CALL(mock, IntFromString(_)).WillOnce(SetErrnoAndReturn(1, -1));
    mock.IntFromString(nullptr);
    errno = saved_errno;
  }
  
  #endif  // !GTEST_OS_WINDOWS_MOBILE
  
  // Tests the linkage of the Invoke(function) and Invoke(object, method) actions.
  TEST(LinkTest, TestInvoke) {
    Mock mock;
    InvokeHelper test_invoke_helper;
  
    EXPECT_CALL(mock, VoidFromString(_))
        .WillOnce(Invoke(&InvokeHelper::StaticVoidFromString))
        .WillOnce(Invoke(&test_invoke_helper, &InvokeHelper::VoidFromString));
    mock.VoidFromString(nullptr);
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the InvokeWithoutArgs action.
  TEST(LinkTest, TestInvokeWithoutArgs) {
    Mock mock;
    InvokeHelper test_invoke_helper;
  
    EXPECT_CALL(mock, VoidFromString(_))
        .WillOnce(InvokeWithoutArgs(&InvokeHelper::StaticVoidFromVoid))
        .WillOnce(InvokeWithoutArgs(&test_invoke_helper,
                                    &InvokeHelper::VoidFromVoid));
    mock.VoidFromString(nullptr);
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the InvokeArgument action.
  TEST(LinkTest, TestInvokeArgument) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, VoidFromFunc(_)).WillOnce(InvokeArgument<0>(&ch));
    mock.VoidFromFunc(InvokeHelper::StaticVoidFromString);
  }
  
  // Tests the linkage of the WithArg action.
  TEST(LinkTest, TestWithArg) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_))
        .WillOnce(WithArg<0>(Invoke(&InvokeHelper::StaticVoidFromString)));
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the WithArgs action.
  TEST(LinkTest, TestWithArgs) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_))
        .WillOnce(WithArgs<0>(Invoke(&InvokeHelper::StaticVoidFromString)));
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the WithoutArgs action.
  TEST(LinkTest, TestWithoutArgs) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(WithoutArgs(Return()));
    mock.VoidFromString(nullptr);
  }
  
  // Tests the linkage of the DoAll action.
  TEST(LinkTest, TestDoAll) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, VoidFromString(_))
        .WillOnce(DoAll(SetArgPointee<0>('y'), Return()));
    mock.VoidFromString(&ch);
  }
  
  // Tests the linkage of the DoDefault action.
  TEST(LinkTest, TestDoDefault) {
    Mock mock;
    char ch = 'x';
  
    ON_CALL(mock, VoidFromString(_)).WillByDefault(Return());
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(DoDefault());
    mock.VoidFromString(&ch);
  }
  
  // Tests the linkage of the IgnoreResult action.
  TEST(LinkTest, TestIgnoreResult) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(IgnoreResult(Return(42)));
    mock.VoidFromString(nullptr);
  }
  
  #if GTEST_HAS_EXCEPTIONS
  // Tests the linkage of the Throw action.
  TEST(LinkTest, TestThrow) {
    Mock mock;
  
    EXPECT_CALL(mock, VoidFromString(_)).WillOnce(Throw(42));
    EXPECT_THROW(mock.VoidFromString(nullptr), int);
  }
  #endif  // GTEST_HAS_EXCEPTIONS
  
  // The ACTION*() macros trigger warning C4100 (unreferenced formal
  // parameter) in MSVC with -W4.  Unfortunately they cannot be fixed in
  // the macro definition, as the warnings are generated when the macro
  // is expanded and macro expansion cannot contain #pragma.  Therefore
  // we suppress them here.
  #ifdef _MSC_VER
  # pragma warning(push)
  # pragma warning(disable:4100)
  #endif
  
  // Tests the linkage of actions created using ACTION macro.
  namespace {
  ACTION(Return1) { return 1; }
  }
  
  TEST(LinkTest, TestActionMacro) {
    Mock mock;
  
    EXPECT_CALL(mock, IntFromString(_)).WillOnce(Return1());
    mock.IntFromString(nullptr);
  }
  
  // Tests the linkage of actions created using ACTION_P macro.
  namespace {
  ACTION_P(ReturnArgument, ret_value) { return ret_value; }
  }
  
  TEST(LinkTest, TestActionPMacro) {
    Mock mock;
  
    EXPECT_CALL(mock, IntFromString(_)).WillOnce(ReturnArgument(42));
    mock.IntFromString(nullptr);
  }
  
  // Tests the linkage of actions created using ACTION_P2 macro.
  namespace {
  ACTION_P2(ReturnEqualsEitherOf, first, second) {
    return arg0 == first || arg0 == second;
  }
  }
  
  #ifdef _MSC_VER
  # pragma warning(pop)
  #endif
  
  TEST(LinkTest, TestActionP2Macro) {
    Mock mock;
    char ch = 'x';
  
    EXPECT_CALL(mock, IntFromString(_))
        .WillOnce(ReturnEqualsEitherOf("one", "two"));
    mock.IntFromString(&ch);
  }
  
  // Tests the linkage of the "_" matcher.
  TEST(LinkTest, TestMatcherAnything) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(_)).WillByDefault(Return());
  }
  
  // Tests the linkage of the A matcher.
  TEST(LinkTest, TestMatcherA) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(A<char*>())).WillByDefault(Return());
  }
  
  // Tests the linkage of the Eq and the "bare value" matcher.
  TEST(LinkTest, TestMatchersEq) {
    Mock mock;
    const char* p = "x";
  
    ON_CALL(mock, VoidFromString(Eq(p))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(const_cast<char*>("y")))
        .WillByDefault(Return());
  }
  
  // Tests the linkage of the Lt, Gt, Le, Ge, and Ne matchers.
  TEST(LinkTest, TestMatchersRelations) {
    Mock mock;
  
    ON_CALL(mock, VoidFromFloat(Lt(1.0f))).WillByDefault(Return());
    ON_CALL(mock, VoidFromFloat(Gt(1.0f))).WillByDefault(Return());
    ON_CALL(mock, VoidFromFloat(Le(1.0f))).WillByDefault(Return());
    ON_CALL(mock, VoidFromFloat(Ge(1.0f))).WillByDefault(Return());
    ON_CALL(mock, VoidFromFloat(Ne(1.0f))).WillByDefault(Return());
  }
  
  // Tests the linkage of the NotNull matcher.
  TEST(LinkTest, TestMatcherNotNull) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(NotNull())).WillByDefault(Return());
  }
  
  // Tests the linkage of the IsNull matcher.
  TEST(LinkTest, TestMatcherIsNull) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(IsNull())).WillByDefault(Return());
  }
  
  // Tests the linkage of the Ref matcher.
  TEST(LinkTest, TestMatcherRef) {
    Mock mock;
    int a = 0;
  
    ON_CALL(mock, VoidFromIntRef(Ref(a))).WillByDefault(Return());
  }
  
  // Tests the linkage of the TypedEq matcher.
  TEST(LinkTest, TestMatcherTypedEq) {
    Mock mock;
    long a = 0;
  
    ON_CALL(mock, VoidFromIntRef(TypedEq<int&>(a))).WillByDefault(Return());
  }
  
  // Tests the linkage of the FloatEq, DoubleEq, NanSensitiveFloatEq and
  // NanSensitiveDoubleEq matchers.
  TEST(LinkTest, TestMatchersFloatingPoint) {
    Mock mock;
    float a = 0;
  
    ON_CALL(mock, VoidFromFloat(FloatEq(a))).WillByDefault(Return());
    ON_CALL(mock, VoidFromDouble(DoubleEq(a))).WillByDefault(Return());
    ON_CALL(mock, VoidFromFloat(NanSensitiveFloatEq(a))).WillByDefault(Return());
    ON_CALL(mock, VoidFromDouble(NanSensitiveDoubleEq(a)))
        .WillByDefault(Return());
  }
  
  // Tests the linkage of the ContainsRegex matcher.
  TEST(LinkTest, TestMatcherContainsRegex) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(ContainsRegex(".*"))).WillByDefault(Return());
  }
  
  // Tests the linkage of the MatchesRegex matcher.
  TEST(LinkTest, TestMatcherMatchesRegex) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(MatchesRegex(".*"))).WillByDefault(Return());
  }
  
  // Tests the linkage of the StartsWith, EndsWith, and HasSubstr matchers.
  TEST(LinkTest, TestMatchersSubstrings) {
    Mock mock;
  
    ON_CALL(mock, VoidFromString(StartsWith("a"))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(EndsWith("c"))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(HasSubstr("b"))).WillByDefault(Return());
  }
  
  // Tests the linkage of the StrEq, StrNe, StrCaseEq, and StrCaseNe matchers.
  TEST(LinkTest, TestMatchersStringEquality) {
    Mock mock;
    ON_CALL(mock, VoidFromString(StrEq("a"))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(StrNe("a"))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(StrCaseEq("a"))).WillByDefault(Return());
    ON_CALL(mock, VoidFromString(StrCaseNe("a"))).WillByDefault(Return());
  }
  
  // Tests the linkage of the ElementsAre matcher.
  TEST(LinkTest, TestMatcherElementsAre) {
    Mock mock;
  
    ON_CALL(mock, VoidFromVector(ElementsAre('a', _))).WillByDefault(Return());
  }
  
  // Tests the linkage of the ElementsAreArray matcher.
  TEST(LinkTest, TestMatcherElementsAreArray) {
    Mock mock;
    char arr[] = { 'a', 'b' };
  
    ON_CALL(mock, VoidFromVector(ElementsAreArray(arr))).WillByDefault(Return());
  }
  
  // Tests the linkage of the IsSubsetOf matcher.
  TEST(LinkTest, TestMatcherIsSubsetOf) {
    Mock mock;
    char arr[] = {'a', 'b'};
  
    ON_CALL(mock, VoidFromVector(IsSubsetOf(arr))).WillByDefault(Return());
  }
  
  // Tests the linkage of the IsSupersetOf matcher.
  TEST(LinkTest, TestMatcherIsSupersetOf) {
    Mock mock;
    char arr[] = {'a', 'b'};
  
    ON_CALL(mock, VoidFromVector(IsSupersetOf(arr))).WillByDefault(Return());
  }
  
  // Tests the linkage of the ContainerEq matcher.
  TEST(LinkTest, TestMatcherContainerEq) {
    Mock mock;
    std::vector<int> v;
  
    ON_CALL(mock, VoidFromVector(ContainerEq(v))).WillByDefault(Return());
  }
  
  // Tests the linkage of the Field matcher.
  TEST(LinkTest, TestMatcherField) {
    FieldHelper helper(0);
  
    Matcher<const FieldHelper&> m = Field(&FieldHelper::field_, Eq(0));
    EXPECT_TRUE(m.Matches(helper));
  
    Matcher<const FieldHelper*> m2 = Field(&FieldHelper::field_, Eq(0));
    EXPECT_TRUE(m2.Matches(&helper));
  }
  
  // Tests the linkage of the Property matcher.
  TEST(LinkTest, TestMatcherProperty) {
    FieldHelper helper(0);
  
    Matcher<const FieldHelper&> m = Property(&FieldHelper::field, Eq(0));
    EXPECT_TRUE(m.Matches(helper));
  
    Matcher<const FieldHelper*> m2 = Property(&FieldHelper::field, Eq(0));
    EXPECT_TRUE(m2.Matches(&helper));
  }
  
  // Tests the linkage of the ResultOf matcher.
  TEST(LinkTest, TestMatcherResultOf) {
    Matcher<char*> m = ResultOf(&InvokeHelper::StaticIntFromString, Eq(1));
    EXPECT_TRUE(m.Matches(nullptr));
  }
  
  // Tests the linkage of the ResultOf matcher.
  TEST(LinkTest, TestMatcherPointee) {
    int n = 1;
  
    Matcher<int*> m = Pointee(Eq(1));
    EXPECT_TRUE(m.Matches(&n));
  }
  
  // Tests the linkage of the Truly matcher.
  TEST(LinkTest, TestMatcherTruly) {
    Matcher<const char*> m = Truly(&InvokeHelper::StaticBoolFromString);
    EXPECT_TRUE(m.Matches(nullptr));
  }
  
  // Tests the linkage of the AllOf matcher.
  TEST(LinkTest, TestMatcherAllOf) {
    Matcher<int> m = AllOf(_, Eq(1));
    EXPECT_TRUE(m.Matches(1));
  }
  
  // Tests the linkage of the AnyOf matcher.
  TEST(LinkTest, TestMatcherAnyOf) {
    Matcher<int> m = AnyOf(_, Eq(1));
    EXPECT_TRUE(m.Matches(1));
  }
  
  // Tests the linkage of the Not matcher.
  TEST(LinkTest, TestMatcherNot) {
    Matcher<int> m = Not(_);
    EXPECT_FALSE(m.Matches(1));
  }
  
  // Tests the linkage of the MatcherCast<T>() function.
  TEST(LinkTest, TestMatcherCast) {
    Matcher<const char*> m = MatcherCast<const char*>(_);
    EXPECT_TRUE(m.Matches(nullptr));
  }
  
  #endif  // GMOCK_TEST_GMOCK_LINK_TEST_H_
   