909 lines
30 KiB
C++
909 lines
30 KiB
C++
// Copyright 2007, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Google Mock - a framework for writing C++ mock classes.
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//
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// This file tests the function mocker classes.
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#include "gmock/gmock-function-mocker.h"
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#if GTEST_OS_WINDOWS
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// MSDN says the header file to be included for STDMETHOD is BaseTyps.h but
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// we are getting compiler errors if we use basetyps.h, hence including
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// objbase.h for definition of STDMETHOD.
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# include <objbase.h>
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#endif // GTEST_OS_WINDOWS
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#include <functional>
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#include <map>
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#include <string>
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#include <type_traits>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace testing {
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namespace gmock_function_mocker_test {
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using testing::_;
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using testing::A;
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using testing::An;
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using testing::AnyNumber;
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using testing::Const;
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using testing::DoDefault;
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using testing::Eq;
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using testing::Lt;
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using testing::MockFunction;
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using testing::Ref;
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using testing::Return;
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using testing::ReturnRef;
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using testing::TypedEq;
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template<typename T>
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class TemplatedCopyable {
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public:
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TemplatedCopyable() {}
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template <typename U>
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TemplatedCopyable(const U& other) {} // NOLINT
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};
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class FooInterface {
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public:
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virtual ~FooInterface() {}
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virtual void VoidReturning(int x) = 0;
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virtual int Nullary() = 0;
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virtual bool Unary(int x) = 0;
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virtual long Binary(short x, int y) = 0; // NOLINT
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virtual int Decimal(bool b, char c, short d, int e, long f, // NOLINT
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float g, double h, unsigned i, char* j,
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const std::string& k) = 0;
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virtual bool TakesNonConstReference(int& n) = 0; // NOLINT
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virtual std::string TakesConstReference(const int& n) = 0;
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virtual bool TakesConst(const int x) = 0;
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virtual int OverloadedOnArgumentNumber() = 0;
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virtual int OverloadedOnArgumentNumber(int n) = 0;
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virtual int OverloadedOnArgumentType(int n) = 0;
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virtual char OverloadedOnArgumentType(char c) = 0;
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virtual int OverloadedOnConstness() = 0;
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virtual char OverloadedOnConstness() const = 0;
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virtual int TypeWithHole(int (*func)()) = 0;
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virtual int TypeWithComma(const std::map<int, std::string>& a_map) = 0;
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virtual int TypeWithTemplatedCopyCtor(const TemplatedCopyable<int>&) = 0;
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virtual int (*ReturnsFunctionPointer1(int))(bool) = 0;
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using fn_ptr = int (*)(bool);
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virtual fn_ptr ReturnsFunctionPointer2(int) = 0;
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#if GTEST_OS_WINDOWS
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STDMETHOD_(int, CTNullary)() = 0;
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STDMETHOD_(bool, CTUnary)(int x) = 0;
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STDMETHOD_(int, CTDecimal)
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(bool b, char c, short d, int e, long f, // NOLINT
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float g, double h, unsigned i, char* j, const std::string& k) = 0;
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STDMETHOD_(char, CTConst)(int x) const = 0;
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#endif // GTEST_OS_WINDOWS
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};
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// Const qualifiers on arguments were once (incorrectly) considered
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// significant in determining whether two virtual functions had the same
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// signature. This was fixed in Visual Studio 2008. However, the compiler
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// still emits a warning that alerts about this change in behavior.
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#ifdef _MSC_VER
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# pragma warning(push)
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# pragma warning(disable : 4373)
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#endif
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class MockFoo : public FooInterface {
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public:
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MockFoo() {}
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// Makes sure that a mock function parameter can be named.
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MOCK_METHOD(void, VoidReturning, (int n)); // NOLINT
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MOCK_METHOD(int, Nullary, ()); // NOLINT
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// Makes sure that a mock function parameter can be unnamed.
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MOCK_METHOD(bool, Unary, (int)); // NOLINT
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MOCK_METHOD(long, Binary, (short, int)); // NOLINT
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MOCK_METHOD(int, Decimal,
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(bool, char, short, int, long, float, // NOLINT
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double, unsigned, char*, const std::string& str),
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(override));
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MOCK_METHOD(bool, TakesNonConstReference, (int&)); // NOLINT
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MOCK_METHOD(std::string, TakesConstReference, (const int&));
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MOCK_METHOD(bool, TakesConst, (const int)); // NOLINT
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// Tests that the function return type can contain unprotected comma.
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MOCK_METHOD((std::map<int, std::string>), ReturnTypeWithComma, (), ());
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MOCK_METHOD((std::map<int, std::string>), ReturnTypeWithComma, (int),
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(const)); // NOLINT
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MOCK_METHOD(int, OverloadedOnArgumentNumber, ()); // NOLINT
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MOCK_METHOD(int, OverloadedOnArgumentNumber, (int)); // NOLINT
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MOCK_METHOD(int, OverloadedOnArgumentType, (int)); // NOLINT
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MOCK_METHOD(char, OverloadedOnArgumentType, (char)); // NOLINT
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MOCK_METHOD(int, OverloadedOnConstness, (), (override)); // NOLINT
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MOCK_METHOD(char, OverloadedOnConstness, (), (override, const)); // NOLINT
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MOCK_METHOD(int, TypeWithHole, (int (*)()), ()); // NOLINT
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MOCK_METHOD(int, TypeWithComma, ((const std::map<int, std::string>&)));
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MOCK_METHOD(int, TypeWithTemplatedCopyCtor,
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(const TemplatedCopyable<int>&)); // NOLINT
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MOCK_METHOD(int (*)(bool), ReturnsFunctionPointer1, (int), ());
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MOCK_METHOD(fn_ptr, ReturnsFunctionPointer2, (int), ());
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#if GTEST_OS_WINDOWS
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MOCK_METHOD(int, CTNullary, (), (Calltype(STDMETHODCALLTYPE)));
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MOCK_METHOD(bool, CTUnary, (int), (Calltype(STDMETHODCALLTYPE)));
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MOCK_METHOD(int, CTDecimal,
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(bool b, char c, short d, int e, long f, float g, double h,
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unsigned i, char* j, const std::string& k),
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(Calltype(STDMETHODCALLTYPE)));
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MOCK_METHOD(char, CTConst, (int), (const, Calltype(STDMETHODCALLTYPE)));
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MOCK_METHOD((std::map<int, std::string>), CTReturnTypeWithComma, (),
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(Calltype(STDMETHODCALLTYPE)));
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#endif // GTEST_OS_WINDOWS
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private:
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GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
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};
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class LegacyMockFoo : public FooInterface {
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public:
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LegacyMockFoo() {}
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// Makes sure that a mock function parameter can be named.
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MOCK_METHOD1(VoidReturning, void(int n)); // NOLINT
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MOCK_METHOD0(Nullary, int()); // NOLINT
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// Makes sure that a mock function parameter can be unnamed.
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MOCK_METHOD1(Unary, bool(int)); // NOLINT
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MOCK_METHOD2(Binary, long(short, int)); // NOLINT
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MOCK_METHOD10(Decimal, int(bool, char, short, int, long, float, // NOLINT
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double, unsigned, char*, const std::string& str));
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MOCK_METHOD1(TakesNonConstReference, bool(int&)); // NOLINT
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MOCK_METHOD1(TakesConstReference, std::string(const int&));
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MOCK_METHOD1(TakesConst, bool(const int)); // NOLINT
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// Tests that the function return type can contain unprotected comma.
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MOCK_METHOD0(ReturnTypeWithComma, std::map<int, std::string>());
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MOCK_CONST_METHOD1(ReturnTypeWithComma,
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std::map<int, std::string>(int)); // NOLINT
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MOCK_METHOD0(OverloadedOnArgumentNumber, int()); // NOLINT
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MOCK_METHOD1(OverloadedOnArgumentNumber, int(int)); // NOLINT
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MOCK_METHOD1(OverloadedOnArgumentType, int(int)); // NOLINT
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MOCK_METHOD1(OverloadedOnArgumentType, char(char)); // NOLINT
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MOCK_METHOD0(OverloadedOnConstness, int()); // NOLINT
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MOCK_CONST_METHOD0(OverloadedOnConstness, char()); // NOLINT
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MOCK_METHOD1(TypeWithHole, int(int (*)())); // NOLINT
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MOCK_METHOD1(TypeWithComma,
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int(const std::map<int, std::string>&)); // NOLINT
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MOCK_METHOD1(TypeWithTemplatedCopyCtor,
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int(const TemplatedCopyable<int>&)); // NOLINT
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MOCK_METHOD1(ReturnsFunctionPointer1, int (*(int))(bool));
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MOCK_METHOD1(ReturnsFunctionPointer2, fn_ptr(int));
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#if GTEST_OS_WINDOWS
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MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTNullary, int());
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MOCK_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTUnary, bool(int)); // NOLINT
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MOCK_METHOD10_WITH_CALLTYPE(STDMETHODCALLTYPE, CTDecimal,
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int(bool b, char c, short d, int e, // NOLINT
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long f, float g, double h, // NOLINT
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unsigned i, char* j, const std::string& k));
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MOCK_CONST_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTConst,
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char(int)); // NOLINT
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// Tests that the function return type can contain unprotected comma.
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MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTReturnTypeWithComma,
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std::map<int, std::string>());
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#endif // GTEST_OS_WINDOWS
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private:
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GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockFoo);
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};
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#ifdef _MSC_VER
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# pragma warning(pop)
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#endif
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template <class T>
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class FunctionMockerTest : public testing::Test {
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protected:
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FunctionMockerTest() : foo_(&mock_foo_) {}
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FooInterface* const foo_;
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T mock_foo_;
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};
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using FunctionMockerTestTypes = ::testing::Types<MockFoo, LegacyMockFoo>;
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TYPED_TEST_SUITE(FunctionMockerTest, FunctionMockerTestTypes);
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// Tests mocking a void-returning function.
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TYPED_TEST(FunctionMockerTest, MocksVoidFunction) {
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EXPECT_CALL(this->mock_foo_, VoidReturning(Lt(100)));
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this->foo_->VoidReturning(0);
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}
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// Tests mocking a nullary function.
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TYPED_TEST(FunctionMockerTest, MocksNullaryFunction) {
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EXPECT_CALL(this->mock_foo_, Nullary())
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.WillOnce(DoDefault())
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.WillOnce(Return(1));
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EXPECT_EQ(0, this->foo_->Nullary());
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EXPECT_EQ(1, this->foo_->Nullary());
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}
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// Tests mocking a unary function.
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TYPED_TEST(FunctionMockerTest, MocksUnaryFunction) {
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EXPECT_CALL(this->mock_foo_, Unary(Eq(2))).Times(2).WillOnce(Return(true));
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EXPECT_TRUE(this->foo_->Unary(2));
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EXPECT_FALSE(this->foo_->Unary(2));
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}
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// Tests mocking a binary function.
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TYPED_TEST(FunctionMockerTest, MocksBinaryFunction) {
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EXPECT_CALL(this->mock_foo_, Binary(2, _)).WillOnce(Return(3));
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EXPECT_EQ(3, this->foo_->Binary(2, 1));
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}
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// Tests mocking a decimal function.
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TYPED_TEST(FunctionMockerTest, MocksDecimalFunction) {
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EXPECT_CALL(this->mock_foo_,
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Decimal(true, 'a', 0, 0, 1L, A<float>(), Lt(100), 5U, NULL, "hi"))
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.WillOnce(Return(5));
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EXPECT_EQ(5, this->foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi"));
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}
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// Tests mocking a function that takes a non-const reference.
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TYPED_TEST(FunctionMockerTest, MocksFunctionWithNonConstReferenceArgument) {
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int a = 0;
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EXPECT_CALL(this->mock_foo_, TakesNonConstReference(Ref(a)))
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.WillOnce(Return(true));
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EXPECT_TRUE(this->foo_->TakesNonConstReference(a));
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}
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// Tests mocking a function that takes a const reference.
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TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstReferenceArgument) {
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int a = 0;
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EXPECT_CALL(this->mock_foo_, TakesConstReference(Ref(a)))
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.WillOnce(Return("Hello"));
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EXPECT_EQ("Hello", this->foo_->TakesConstReference(a));
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}
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// Tests mocking a function that takes a const variable.
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TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstArgument) {
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EXPECT_CALL(this->mock_foo_, TakesConst(Lt(10))).WillOnce(DoDefault());
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EXPECT_FALSE(this->foo_->TakesConst(5));
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}
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// Tests mocking functions overloaded on the number of arguments.
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TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) {
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EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber())
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.WillOnce(Return(1));
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EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber(_))
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.WillOnce(Return(2));
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EXPECT_EQ(2, this->foo_->OverloadedOnArgumentNumber(1));
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EXPECT_EQ(1, this->foo_->OverloadedOnArgumentNumber());
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}
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// Tests mocking functions overloaded on the types of argument.
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TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) {
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EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(An<int>()))
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.WillOnce(Return(1));
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EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a')))
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.WillOnce(Return('b'));
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EXPECT_EQ(1, this->foo_->OverloadedOnArgumentType(0));
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EXPECT_EQ('b', this->foo_->OverloadedOnArgumentType('a'));
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}
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// Tests mocking functions overloaded on the const-ness of this object.
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TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnConstnessOfThis) {
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EXPECT_CALL(this->mock_foo_, OverloadedOnConstness());
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EXPECT_CALL(Const(this->mock_foo_), OverloadedOnConstness())
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.WillOnce(Return('a'));
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EXPECT_EQ(0, this->foo_->OverloadedOnConstness());
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EXPECT_EQ('a', Const(*this->foo_).OverloadedOnConstness());
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}
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TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithComma) {
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const std::map<int, std::string> a_map;
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EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma()).WillOnce(Return(a_map));
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EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma(42)).WillOnce(Return(a_map));
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EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma());
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EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma(42));
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}
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TYPED_TEST(FunctionMockerTest, MocksTypeWithTemplatedCopyCtor) {
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EXPECT_CALL(this->mock_foo_, TypeWithTemplatedCopyCtor(_))
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.WillOnce(Return(true));
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EXPECT_TRUE(this->foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>()));
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}
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#if GTEST_OS_WINDOWS
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// Tests mocking a nullary function with calltype.
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TYPED_TEST(FunctionMockerTest, MocksNullaryFunctionWithCallType) {
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EXPECT_CALL(this->mock_foo_, CTNullary())
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.WillOnce(Return(-1))
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.WillOnce(Return(0));
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EXPECT_EQ(-1, this->foo_->CTNullary());
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EXPECT_EQ(0, this->foo_->CTNullary());
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}
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// Tests mocking a unary function with calltype.
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TYPED_TEST(FunctionMockerTest, MocksUnaryFunctionWithCallType) {
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EXPECT_CALL(this->mock_foo_, CTUnary(Eq(2)))
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.Times(2)
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.WillOnce(Return(true))
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.WillOnce(Return(false));
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EXPECT_TRUE(this->foo_->CTUnary(2));
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EXPECT_FALSE(this->foo_->CTUnary(2));
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}
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// Tests mocking a decimal function with calltype.
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TYPED_TEST(FunctionMockerTest, MocksDecimalFunctionWithCallType) {
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EXPECT_CALL(this->mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(),
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Lt(100), 5U, NULL, "hi"))
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.WillOnce(Return(10));
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EXPECT_EQ(10, this->foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, NULL, "hi"));
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}
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// Tests mocking functions overloaded on the const-ness of this object.
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TYPED_TEST(FunctionMockerTest, MocksFunctionsConstFunctionWithCallType) {
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EXPECT_CALL(Const(this->mock_foo_), CTConst(_)).WillOnce(Return('a'));
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EXPECT_EQ('a', Const(*this->foo_).CTConst(0));
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}
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TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithCommaAndCallType) {
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const std::map<int, std::string> a_map;
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EXPECT_CALL(this->mock_foo_, CTReturnTypeWithComma()).WillOnce(Return(a_map));
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EXPECT_EQ(a_map, this->mock_foo_.CTReturnTypeWithComma());
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}
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#endif // GTEST_OS_WINDOWS
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class MockB {
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public:
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MockB() {}
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MOCK_METHOD(void, DoB, ());
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private:
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GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB);
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};
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class LegacyMockB {
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public:
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LegacyMockB() {}
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MOCK_METHOD0(DoB, void());
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private:
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GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockB);
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};
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template <typename T>
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class ExpectCallTest : public ::testing::Test {};
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using ExpectCallTestTypes = ::testing::Types<MockB, LegacyMockB>;
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TYPED_TEST_SUITE(ExpectCallTest, ExpectCallTestTypes);
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// Tests that functions with no EXPECT_CALL() rules can be called any
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// number of times.
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TYPED_TEST(ExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) {
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{ TypeParam b; }
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{
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TypeParam b;
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b.DoB();
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}
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{
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TypeParam b;
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b.DoB();
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b.DoB();
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}
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}
|
|
|
|
// Tests mocking template interfaces.
|
|
|
|
template <typename T>
|
|
class StackInterface {
|
|
public:
|
|
virtual ~StackInterface() {}
|
|
|
|
// Template parameter appears in function parameter.
|
|
virtual void Push(const T& value) = 0;
|
|
virtual void Pop() = 0;
|
|
virtual int GetSize() const = 0;
|
|
// Template parameter appears in function return type.
|
|
virtual const T& GetTop() const = 0;
|
|
};
|
|
|
|
template <typename T>
|
|
class MockStack : public StackInterface<T> {
|
|
public:
|
|
MockStack() {}
|
|
|
|
MOCK_METHOD(void, Push, (const T& elem), ());
|
|
MOCK_METHOD(void, Pop, (), (final));
|
|
MOCK_METHOD(int, GetSize, (), (const, override));
|
|
MOCK_METHOD(const T&, GetTop, (), (const));
|
|
|
|
// Tests that the function return type can contain unprotected comma.
|
|
MOCK_METHOD((std::map<int, int>), ReturnTypeWithComma, (), ());
|
|
MOCK_METHOD((std::map<int, int>), ReturnTypeWithComma, (int), (const));
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStack);
|
|
};
|
|
|
|
template <typename T>
|
|
class LegacyMockStack : public StackInterface<T> {
|
|
public:
|
|
LegacyMockStack() {}
|
|
|
|
MOCK_METHOD1_T(Push, void(const T& elem));
|
|
MOCK_METHOD0_T(Pop, void());
|
|
MOCK_CONST_METHOD0_T(GetSize, int()); // NOLINT
|
|
MOCK_CONST_METHOD0_T(GetTop, const T&());
|
|
|
|
// Tests that the function return type can contain unprotected comma.
|
|
MOCK_METHOD0_T(ReturnTypeWithComma, std::map<int, int>());
|
|
MOCK_CONST_METHOD1_T(ReturnTypeWithComma, std::map<int, int>(int)); // NOLINT
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockStack);
|
|
};
|
|
|
|
template <typename T>
|
|
class TemplateMockTest : public ::testing::Test {};
|
|
using TemplateMockTestTypes =
|
|
::testing::Types<MockStack<int>, LegacyMockStack<int>>;
|
|
TYPED_TEST_SUITE(TemplateMockTest, TemplateMockTestTypes);
|
|
|
|
// Tests that template mock works.
|
|
TYPED_TEST(TemplateMockTest, Works) {
|
|
TypeParam mock;
|
|
|
|
EXPECT_CALL(mock, GetSize())
|
|
.WillOnce(Return(0))
|
|
.WillOnce(Return(1))
|
|
.WillOnce(Return(0));
|
|
EXPECT_CALL(mock, Push(_));
|
|
int n = 5;
|
|
EXPECT_CALL(mock, GetTop())
|
|
.WillOnce(ReturnRef(n));
|
|
EXPECT_CALL(mock, Pop())
|
|
.Times(AnyNumber());
|
|
|
|
EXPECT_EQ(0, mock.GetSize());
|
|
mock.Push(5);
|
|
EXPECT_EQ(1, mock.GetSize());
|
|
EXPECT_EQ(5, mock.GetTop());
|
|
mock.Pop();
|
|
EXPECT_EQ(0, mock.GetSize());
|
|
}
|
|
|
|
TYPED_TEST(TemplateMockTest, MethodWithCommaInReturnTypeWorks) {
|
|
TypeParam mock;
|
|
|
|
const std::map<int, int> a_map;
|
|
EXPECT_CALL(mock, ReturnTypeWithComma())
|
|
.WillOnce(Return(a_map));
|
|
EXPECT_CALL(mock, ReturnTypeWithComma(1))
|
|
.WillOnce(Return(a_map));
|
|
|
|
EXPECT_EQ(a_map, mock.ReturnTypeWithComma());
|
|
EXPECT_EQ(a_map, mock.ReturnTypeWithComma(1));
|
|
}
|
|
|
|
#if GTEST_OS_WINDOWS
|
|
// Tests mocking template interfaces with calltype.
|
|
|
|
template <typename T>
|
|
class StackInterfaceWithCallType {
|
|
public:
|
|
virtual ~StackInterfaceWithCallType() {}
|
|
|
|
// Template parameter appears in function parameter.
|
|
STDMETHOD_(void, Push)(const T& value) = 0;
|
|
STDMETHOD_(void, Pop)() = 0;
|
|
STDMETHOD_(int, GetSize)() const = 0;
|
|
// Template parameter appears in function return type.
|
|
STDMETHOD_(const T&, GetTop)() const = 0;
|
|
};
|
|
|
|
template <typename T>
|
|
class MockStackWithCallType : public StackInterfaceWithCallType<T> {
|
|
public:
|
|
MockStackWithCallType() {}
|
|
|
|
MOCK_METHOD(void, Push, (const T& elem),
|
|
(Calltype(STDMETHODCALLTYPE), override));
|
|
MOCK_METHOD(void, Pop, (), (Calltype(STDMETHODCALLTYPE), override));
|
|
MOCK_METHOD(int, GetSize, (), (Calltype(STDMETHODCALLTYPE), override, const));
|
|
MOCK_METHOD(const T&, GetTop, (),
|
|
(Calltype(STDMETHODCALLTYPE), override, const));
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStackWithCallType);
|
|
};
|
|
|
|
template <typename T>
|
|
class LegacyMockStackWithCallType : public StackInterfaceWithCallType<T> {
|
|
public:
|
|
LegacyMockStackWithCallType() {}
|
|
|
|
MOCK_METHOD1_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Push, void(const T& elem));
|
|
MOCK_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Pop, void());
|
|
MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetSize, int());
|
|
MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetTop, const T&());
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockStackWithCallType);
|
|
};
|
|
|
|
template <typename T>
|
|
class TemplateMockTestWithCallType : public ::testing::Test {};
|
|
using TemplateMockTestWithCallTypeTypes =
|
|
::testing::Types<MockStackWithCallType<int>,
|
|
LegacyMockStackWithCallType<int>>;
|
|
TYPED_TEST_SUITE(TemplateMockTestWithCallType,
|
|
TemplateMockTestWithCallTypeTypes);
|
|
|
|
// Tests that template mock with calltype works.
|
|
TYPED_TEST(TemplateMockTestWithCallType, Works) {
|
|
TypeParam mock;
|
|
|
|
EXPECT_CALL(mock, GetSize())
|
|
.WillOnce(Return(0))
|
|
.WillOnce(Return(1))
|
|
.WillOnce(Return(0));
|
|
EXPECT_CALL(mock, Push(_));
|
|
int n = 5;
|
|
EXPECT_CALL(mock, GetTop())
|
|
.WillOnce(ReturnRef(n));
|
|
EXPECT_CALL(mock, Pop())
|
|
.Times(AnyNumber());
|
|
|
|
EXPECT_EQ(0, mock.GetSize());
|
|
mock.Push(5);
|
|
EXPECT_EQ(1, mock.GetSize());
|
|
EXPECT_EQ(5, mock.GetTop());
|
|
mock.Pop();
|
|
EXPECT_EQ(0, mock.GetSize());
|
|
}
|
|
#endif // GTEST_OS_WINDOWS
|
|
|
|
#define MY_MOCK_METHODS1_ \
|
|
MOCK_METHOD(void, Overloaded, ()); \
|
|
MOCK_METHOD(int, Overloaded, (int), (const)); \
|
|
MOCK_METHOD(bool, Overloaded, (bool f, int n))
|
|
|
|
#define LEGACY_MY_MOCK_METHODS1_ \
|
|
MOCK_METHOD0(Overloaded, void()); \
|
|
MOCK_CONST_METHOD1(Overloaded, int(int n)); \
|
|
MOCK_METHOD2(Overloaded, bool(bool f, int n))
|
|
|
|
class MockOverloadedOnArgNumber {
|
|
public:
|
|
MockOverloadedOnArgNumber() {}
|
|
|
|
MY_MOCK_METHODS1_;
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnArgNumber);
|
|
};
|
|
|
|
class LegacyMockOverloadedOnArgNumber {
|
|
public:
|
|
LegacyMockOverloadedOnArgNumber() {}
|
|
|
|
LEGACY_MY_MOCK_METHODS1_;
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockOverloadedOnArgNumber);
|
|
};
|
|
|
|
template <typename T>
|
|
class OverloadedMockMethodTest : public ::testing::Test {};
|
|
using OverloadedMockMethodTestTypes =
|
|
::testing::Types<MockOverloadedOnArgNumber,
|
|
LegacyMockOverloadedOnArgNumber>;
|
|
TYPED_TEST_SUITE(OverloadedMockMethodTest, OverloadedMockMethodTestTypes);
|
|
|
|
TYPED_TEST(OverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) {
|
|
TypeParam mock;
|
|
EXPECT_CALL(mock, Overloaded());
|
|
EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2));
|
|
EXPECT_CALL(mock, Overloaded(true, 1)).WillOnce(Return(true));
|
|
|
|
mock.Overloaded();
|
|
EXPECT_EQ(2, mock.Overloaded(1));
|
|
EXPECT_TRUE(mock.Overloaded(true, 1));
|
|
}
|
|
|
|
#define MY_MOCK_METHODS2_ \
|
|
MOCK_CONST_METHOD1(Overloaded, int(int n)); \
|
|
MOCK_METHOD1(Overloaded, int(int n))
|
|
|
|
class MockOverloadedOnConstness {
|
|
public:
|
|
MockOverloadedOnConstness() {}
|
|
|
|
MY_MOCK_METHODS2_;
|
|
|
|
private:
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnConstness);
|
|
};
|
|
|
|
TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnConstnessInMacroBody) {
|
|
MockOverloadedOnConstness mock;
|
|
const MockOverloadedOnConstness* const_mock = &mock;
|
|
EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2));
|
|
EXPECT_CALL(*const_mock, Overloaded(1)).WillOnce(Return(3));
|
|
|
|
EXPECT_EQ(2, mock.Overloaded(1));
|
|
EXPECT_EQ(3, const_mock->Overloaded(1));
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, WorksForVoidNullary) {
|
|
MockFunction<void()> foo;
|
|
EXPECT_CALL(foo, Call());
|
|
foo.Call();
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, WorksForNonVoidNullary) {
|
|
MockFunction<int()> foo;
|
|
EXPECT_CALL(foo, Call())
|
|
.WillOnce(Return(1))
|
|
.WillOnce(Return(2));
|
|
EXPECT_EQ(1, foo.Call());
|
|
EXPECT_EQ(2, foo.Call());
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, WorksForVoidUnary) {
|
|
MockFunction<void(int)> foo;
|
|
EXPECT_CALL(foo, Call(1));
|
|
foo.Call(1);
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, WorksForNonVoidBinary) {
|
|
MockFunction<int(bool, int)> foo;
|
|
EXPECT_CALL(foo, Call(false, 42))
|
|
.WillOnce(Return(1))
|
|
.WillOnce(Return(2));
|
|
EXPECT_CALL(foo, Call(true, Ge(100)))
|
|
.WillOnce(Return(3));
|
|
EXPECT_EQ(1, foo.Call(false, 42));
|
|
EXPECT_EQ(2, foo.Call(false, 42));
|
|
EXPECT_EQ(3, foo.Call(true, 120));
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, WorksFor10Arguments) {
|
|
MockFunction<int(bool a0, char a1, int a2, int a3, int a4,
|
|
int a5, int a6, char a7, int a8, bool a9)> foo;
|
|
EXPECT_CALL(foo, Call(_, 'a', _, _, _, _, _, _, _, _))
|
|
.WillOnce(Return(1))
|
|
.WillOnce(Return(2));
|
|
EXPECT_EQ(1, foo.Call(false, 'a', 0, 0, 0, 0, 0, 'b', 0, true));
|
|
EXPECT_EQ(2, foo.Call(true, 'a', 0, 0, 0, 0, 0, 'b', 1, false));
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, AsStdFunction) {
|
|
MockFunction<int(int)> foo;
|
|
auto call = [](const std::function<int(int)> &f, int i) {
|
|
return f(i);
|
|
};
|
|
EXPECT_CALL(foo, Call(1)).WillOnce(Return(-1));
|
|
EXPECT_CALL(foo, Call(2)).WillOnce(Return(-2));
|
|
EXPECT_EQ(-1, call(foo.AsStdFunction(), 1));
|
|
EXPECT_EQ(-2, call(foo.AsStdFunction(), 2));
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, AsStdFunctionReturnsReference) {
|
|
MockFunction<int&()> foo;
|
|
int value = 1;
|
|
EXPECT_CALL(foo, Call()).WillOnce(ReturnRef(value));
|
|
int& ref = foo.AsStdFunction()();
|
|
EXPECT_EQ(1, ref);
|
|
value = 2;
|
|
EXPECT_EQ(2, ref);
|
|
}
|
|
|
|
TEST(MockMethodMockFunctionTest, AsStdFunctionWithReferenceParameter) {
|
|
MockFunction<int(int &)> foo;
|
|
auto call = [](const std::function<int(int& )> &f, int &i) {
|
|
return f(i);
|
|
};
|
|
int i = 42;
|
|
EXPECT_CALL(foo, Call(i)).WillOnce(Return(-1));
|
|
EXPECT_EQ(-1, call(foo.AsStdFunction(), i));
|
|
}
|
|
|
|
namespace {
|
|
|
|
template <typename Expected, typename F>
|
|
static constexpr bool IsMockFunctionTemplateArgumentDeducedTo(
|
|
const MockFunction<F>&) {
|
|
return std::is_same<F, Expected>::value;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
template <typename F>
|
|
class MockMethodMockFunctionSignatureTest : public Test {};
|
|
|
|
using MockMethodMockFunctionSignatureTypes =
|
|
Types<void(), int(), void(int), int(int), int(bool, int),
|
|
int(bool, char, int, int, int, int, int, char, int, bool)>;
|
|
TYPED_TEST_SUITE(MockMethodMockFunctionSignatureTest,
|
|
MockMethodMockFunctionSignatureTypes);
|
|
|
|
TYPED_TEST(MockMethodMockFunctionSignatureTest,
|
|
IsMockFunctionTemplateArgumentDeducedForRawSignature) {
|
|
using Argument = TypeParam;
|
|
MockFunction<Argument> foo;
|
|
EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<Argument>(foo));
|
|
}
|
|
|
|
TYPED_TEST(MockMethodMockFunctionSignatureTest,
|
|
IsMockFunctionTemplateArgumentDeducedForStdFunction) {
|
|
using Argument = std::function<TypeParam>;
|
|
MockFunction<Argument> foo;
|
|
EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<Argument>(foo));
|
|
}
|
|
|
|
TYPED_TEST(
|
|
MockMethodMockFunctionSignatureTest,
|
|
IsMockFunctionCallMethodSignatureTheSameForRawSignatureAndStdFunction) {
|
|
using ForRawSignature = decltype(&MockFunction<TypeParam>::Call);
|
|
using ForStdFunction =
|
|
decltype(&MockFunction<std::function<TypeParam>>::Call);
|
|
EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value));
|
|
}
|
|
|
|
TYPED_TEST(
|
|
MockMethodMockFunctionSignatureTest,
|
|
IsMockFunctionAsStdFunctionMethodSignatureTheSameForRawSignatureAndStdFunction) {
|
|
using ForRawSignature = decltype(&MockFunction<TypeParam>::AsStdFunction);
|
|
using ForStdFunction =
|
|
decltype(&MockFunction<std::function<TypeParam>>::AsStdFunction);
|
|
EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value));
|
|
}
|
|
|
|
struct MockMethodSizes0 {
|
|
MOCK_METHOD(void, func, ());
|
|
};
|
|
struct MockMethodSizes1 {
|
|
MOCK_METHOD(void, func, (int));
|
|
};
|
|
struct MockMethodSizes2 {
|
|
MOCK_METHOD(void, func, (int, int));
|
|
};
|
|
struct MockMethodSizes3 {
|
|
MOCK_METHOD(void, func, (int, int, int));
|
|
};
|
|
struct MockMethodSizes4 {
|
|
MOCK_METHOD(void, func, (int, int, int, int));
|
|
};
|
|
|
|
struct LegacyMockMethodSizes0 {
|
|
MOCK_METHOD0(func, void());
|
|
};
|
|
struct LegacyMockMethodSizes1 {
|
|
MOCK_METHOD1(func, void(int));
|
|
};
|
|
struct LegacyMockMethodSizes2 {
|
|
MOCK_METHOD2(func, void(int, int));
|
|
};
|
|
struct LegacyMockMethodSizes3 {
|
|
MOCK_METHOD3(func, void(int, int, int));
|
|
};
|
|
struct LegacyMockMethodSizes4 {
|
|
MOCK_METHOD4(func, void(int, int, int, int));
|
|
};
|
|
|
|
|
|
TEST(MockMethodMockFunctionTest, MockMethodSizeOverhead) {
|
|
EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes1));
|
|
EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes2));
|
|
EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes3));
|
|
EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes4));
|
|
|
|
EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes1));
|
|
EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes2));
|
|
EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes3));
|
|
EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes4));
|
|
|
|
EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(MockMethodSizes0));
|
|
}
|
|
|
|
void hasTwoParams(int, int);
|
|
void MaybeThrows();
|
|
void DoesntThrow() noexcept;
|
|
struct MockMethodNoexceptSpecifier {
|
|
MOCK_METHOD(void, func1, (), (noexcept));
|
|
MOCK_METHOD(void, func2, (), (noexcept(true)));
|
|
MOCK_METHOD(void, func3, (), (noexcept(false)));
|
|
MOCK_METHOD(void, func4, (), (noexcept(noexcept(MaybeThrows()))));
|
|
MOCK_METHOD(void, func5, (), (noexcept(noexcept(DoesntThrow()))));
|
|
MOCK_METHOD(void, func6, (), (noexcept(noexcept(DoesntThrow())), const));
|
|
MOCK_METHOD(void, func7, (), (const, noexcept(noexcept(DoesntThrow()))));
|
|
// Put commas in the noexcept expression
|
|
MOCK_METHOD(void, func8, (), (noexcept(noexcept(hasTwoParams(1, 2))), const));
|
|
};
|
|
|
|
TEST(MockMethodMockFunctionTest, NoexceptSpecifierPreserved) {
|
|
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func1()));
|
|
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func2()));
|
|
EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func3()));
|
|
EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func4()));
|
|
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func5()));
|
|
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func6()));
|
|
EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func7()));
|
|
EXPECT_EQ(noexcept(std::declval<MockMethodNoexceptSpecifier>().func8()),
|
|
noexcept(hasTwoParams(1, 2)));
|
|
}
|
|
|
|
} // namespace gmock_function_mocker_test
|
|
} // namespace testing
|