c++ - 引用谷歌测试/模拟框架中的数组参数

Question

我有一个引用数组输出参数的成员函数，我想在 google mock 中使用它，但它不起作用。

类(class):

class Class
{
  // returns: number of the rewritten elements in the array
  int foo(Struct (&bar)[ArraySize]) const;
};

模拟类:

class MockClass : public Class
{
  MOCK_CONST_METHOD1(foo, int(Struct (&)[ArraySize]));
};

当我想使用它时，我写了以下内容:

ON_CALL(mMockClass, foo(_))
  .WillByDefault( DoAll( SetArgReferee<0>(mBar)
                       , Return(5)
                       )
                );

mBar 是一个合适的 Struct 数组 (Struct mBar[ArraySize];)。当我编译它时，我收到以下错误消息:

../../../../vendor/gmock-1.7.0/include/gmock/gmock-more-actions.h: In member
function ‘typename testing::internal::Function<F>::Result
testing::SetArgRefereeActionP<k,
value_type>::gmock_Impl<F>::gmock_PerformImpl(const typename
testing::internal::Function<F>::ArgumentTuple&, arg0_type, arg1_type,
arg2_type, arg3_type, arg4_type, arg5_type, arg6_type, arg7_type, arg8_type,
arg9_type) const [with arg0_type = Struct (&)[32], arg1_type =
testing::internal::ExcessiveArg, arg2_type = testing::internal::ExcessiveArg,
arg3_type = testing::internal::ExcessiveArg, arg4_type =
testing::internal::ExcessiveArg, arg5_type = testing::internal::ExcessiveArg,
arg6_type = testing::internal::ExcessiveArg, arg7_type =
testing::internal::ExcessiveArg, arg8_type = testing::internal::ExcessiveArg,
arg9_type = testing::internal::ExcessiveArg, F = void(Struct (&)[32]), int k =
0, value_type = Struct*]’:
../../../../vendor/gmock-1.7.0/include/gmock/gmock-generated-actions.h:655:
instantiated from ‘static Result testing::internal::ActionHelper<Result,
Impl>::Perform(Impl*, const std::tr1::tuple<A0>&) [with A0 = Struct (&)[32],
Result = void, Impl = testing::SetArgRefereeActionP<0,
Struct*>::gmock_Impl<void(Struct (&)[32])>]’
../../../../vendor/gmock-1.7.0/include/gmock/gmock-more-actions.h:170:
instantiated from ‘typename testing::internal::Function<F>::Result
testing::SetArgRefereeActionP<k, value_type>::gmock_Impl<F>::Perform(const
typename testing::internal::Function<F>::ArgumentTuple&) [with F = void(Struct
(&)[32]), int k = 0, value_type = Struct*]’
SomeTest.cpp:120:   instantiated from here
../../../../vendor/gmock-1.7.0/include/gmock/gmock-more-actions.h:177: error:
incompatible types in assignment of ‘Struct* const’ to ‘Struct [32]’
make: *** [SomeTest] Error 1

对于错误消息格式，我深表歉意。据我所知，编译器的问题是它假定引用了一个数组，但它得到了一个指针。我做错了什么？

Answer 1

更新:解决方案

用于传递数组类型的参数SetArrayArgument<N>(first, last)应该使用。

Copies the elements in source range [first, last) to the array pointed to by the N-th (0-based) argument, which can be either a pointer or an iterator. The action does not take ownership of the elements in the source range

有关 Google C++ 模拟框架的更多信息 [此处][1]

http://code.google.com/p/googlemock/wiki/CheatSheet