Re: [googlemock: 1869] Trouble compiling using the 'Args<>' template

[Corey Kosak]

Args<1> is a selector for a one-dimensional tuple, so your code can be made to compile if it looks like this:

  EXPECT_CALL(mocker, doSomethingElse(_, _)).Times(Exactly(1))

          .With(Args<1>(Eq(tr1::make_tuple(10))));

I admit that looks a little awkward; I' don't know whether or not there's a better way.

On Wednesday, June 5, 2013 1:12:03 PM UTC-4, Joe Boese wrote:

Hey Guys,

I'm having a heck of a time figuring out what is wrong with the following line:

EXPECT_CALL(mocker, doSomethingElse(_, _)).Times(Exactly(1)).With(Args<1>(Eq(10)));

My class definition is as follows:

class MockBase : public Base {

 public:

  MOCK_METHOD2(doSomething, void(int x, char y));

  MOCK_METHOD2(doSomethingElse, void(const char* value, int len));

};

This fails to compile with:

googlemock/gmock-1.6.0/include/gmock/gmock-matchers.h:738: error: no match for ‘operator==’ in ‘lhs == ((const testing::internal::EqMatcher<int>::Impl<const std::tr1::tuple<int>&>*)this)->testing::internal::EqMatcher<int>::Impl<const std::tr1::tuple<int>&>::rhs_’

I expect that this would end up evaluating to "Check that the second argument in the call to doSomethingElse() is equal to 10.  I realize there are other simpler ways to express what I'm doing here; however I'm building up to a more complicated With/AllOf call.

Thanks

Joe

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[Joe Boese]

Ahh I see!  Thank you very much.

Joe

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[Zhanyong Wan (λx.x x)]

On Wed, Jun 5, 2013 at 10:12 AM, Joe Boese <joeb...@gmail.com> wrote:

Hey Guys,

I'm having a heck of a time figuring out what is wrong with the following line:

EXPECT_CALL(mocker, doSomethingElse(_, _)).Times(Exactly(1)).With(Args<1>(Eq(10)));

You are using a matcher where an action is expected.  You should put matchers in the function argument list instead:

  EXPECT_CALL(mocker, doSomethingElse(_, Eq(10))).Times(Exactly(1));

Also, Eq() is implied, and so is Times(Exactly(1)), so the above is equivalent to

  EXPECT_CALL(mocker, doSomethingElse(_, 10));

 

 

My class definition is as follows:

class MockBase : public Base {

 public:

  MOCK_METHOD2(doSomething, void(int x, char y));

  MOCK_METHOD2(doSomethingElse, void(const char* value, int len));

};

This fails to compile with:

googlemock/gmock-1.6.0/include/gmock/gmock-matchers.h:738: error: no match for ‘operator==’ in ‘lhs == ((const testing::internal::EqMatcher<int>::Impl<const std::tr1::tuple<int>&>*)this)->testing::internal::EqMatcher<int>::Impl<const std::tr1::tuple<int>&>::rhs_’

I expect that this would end up evaluating to "Check that the second argument in the call to doSomethingElse() is equal to 10.  I realize there are other simpler ways to express what I'm doing here; however I'm building up to a more complicated With/AllOf call.

Thanks

Joe

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Zhanyong