gmock-generated-nice-strict.h

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

// Implements class templates NiceMock and StrictMock.
//
// Given a mock class MockFoo that is created using Google Mock,
// NiceMock<MockFoo> is a subclass of MockFoo that allows
// uninteresting calls (i.e. calls to mock methods that have no
// EXPECT_CALL specs), and StrictMock<MockFoo> is a subclass of
// MockFoo that treats all uninteresting calls as errors.
//
// NiceMock and StrictMock "inherits" the constructors of their
// respective base class, with up-to 10 arguments.  Therefore you can
// write NiceMock<MockFoo>(5, "a") to construct a nice mock where
// MockFoo has a constructor that accepts (int, const char*), for
// example.
//
// A known limitation is that NiceMock<MockFoo> and
// StrictMock<MockFoo> only works for mock methods defined using the
// MOCK_METHOD* family of macros DIRECTLY in the MockFoo class.  If a
// mock method is defined in a base class of MockFoo, the "nice" or
// "strict" modifier may not affect it, depending on the compiler.  In
// particular, nesting NiceMock and StrictMock is NOT supported.
//
// Another known limitation is that the constructors of the base mock
// cannot have arguments passed by non-const reference, which are
// banned by the Google C++ style guide anyway.

#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_NICE_STRICT_H_
#define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_NICE_STRICT_H_

#include "gmock/gmock-spec-builders.h"
#include "gmock/internal/gmock-port.h"

namespace testing {

template <class MockClass>
class NiceMock : public MockClass {
 public:
  // We don't factor out the constructor body to a common method, as
  // we have to avoid a possible clash with members of MockClass.
  NiceMock() {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  // C++ doesn't (yet) allow inheritance of constructors, so we have
  // to define it for each arity.
  template <typename A1>
  explicit NiceMock(const A1& a1) : MockClass(a1) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }
  template <typename A1, typename A2>
  NiceMock(const A1& a1, const A2& a2) : MockClass(a1, a2) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3>
  NiceMock(const A1& a1, const A2& a2, const A3& a3) : MockClass(a1, a2, a3) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4>
  NiceMock(const A1& a1, const A2& a2, const A3& a3,
      const A4& a4) : MockClass(a1, a2, a3, a4) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5) : MockClass(a1, a2, a3, a4, a5) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6) : MockClass(a1, a2, a3, a4, a5, a6) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7) : MockClass(a1, a2, a3, a4, a5,
      a6, a7) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8) : MockClass(a1,
      a2, a3, a4, a5, a6, a7, a8) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8, typename A9>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8,
      const A9& a9) : MockClass(a1, a2, a3, a4, a5, a6, a7, a8, a9) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8, typename A9, typename A10>
  NiceMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8, const A9& a9,
      const A10& a10) : MockClass(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) {
    ::testing::Mock::AllowUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  virtual ~NiceMock() {
    ::testing::Mock::UnregisterCallReaction(
        internal::ImplicitCast_<MockClass*>(this));
  }

 private:
  GTEST_DISALLOW_COPY_AND_ASSIGN_(NiceMock);
};

template <class MockClass>
class StrictMock : public MockClass {
 public:
  // We don't factor out the constructor body to a common method, as
  // we have to avoid a possible clash with members of MockClass.
  StrictMock() {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1>
  explicit StrictMock(const A1& a1) : MockClass(a1) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }
  template <typename A1, typename A2>
  StrictMock(const A1& a1, const A2& a2) : MockClass(a1, a2) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3>
  StrictMock(const A1& a1, const A2& a2, const A3& a3) : MockClass(a1, a2, a3) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4>
  StrictMock(const A1& a1, const A2& a2, const A3& a3,
      const A4& a4) : MockClass(a1, a2, a3, a4) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5) : MockClass(a1, a2, a3, a4, a5) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6) : MockClass(a1, a2, a3, a4, a5, a6) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7) : MockClass(a1, a2, a3, a4, a5,
      a6, a7) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8) : MockClass(a1,
      a2, a3, a4, a5, a6, a7, a8) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8, typename A9>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8,
      const A9& a9) : MockClass(a1, a2, a3, a4, a5, a6, a7, a8, a9) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  template <typename A1, typename A2, typename A3, typename A4, typename A5,
      typename A6, typename A7, typename A8, typename A9, typename A10>
  StrictMock(const A1& a1, const A2& a2, const A3& a3, const A4& a4,
      const A5& a5, const A6& a6, const A7& a7, const A8& a8, const A9& a9,
      const A10& a10) : MockClass(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) {
    ::testing::Mock::FailUninterestingCalls(
        internal::ImplicitCast_<MockClass*>(this));
  }

  virtual ~StrictMock() {
    ::testing::Mock::UnregisterCallReaction(
        internal::ImplicitCast_<MockClass*>(this));
  }

 private:
  GTEST_DISALLOW_COPY_AND_ASSIGN_(StrictMock);
};

// The following specializations catch some (relatively more common)
// user errors of nesting nice and strict mocks.  They do NOT catch
// all possible errors.

// These specializations are declared but not defined, as NiceMock and
// StrictMock cannot be nested.
template <typename MockClass>
class NiceMock<NiceMock<MockClass> >;
template <typename MockClass>
class NiceMock<StrictMock<MockClass> >;
template <typename MockClass>
class StrictMock<NiceMock<MockClass> >;
template <typename MockClass>
class StrictMock<StrictMock<MockClass> >;

}  // namespace testing

#endif  // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_NICE_STRICT_H_