如何使用gmock模拟std :: function? [英] How to use gmock to mock up a std::function?
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问题描述
我的课程的构造函数是
A( ...
std::function<bool(const std::string&, const std::string&)> aCallBack,
... );
我想使用EXPECT_CALL进行测试.该回调来自另一个类B.我创建了一个类似Mock的
I want to use EXPECT_CALL to test it. This callback is from another class B. I created a Mock like
class BMock : public B
{
MOCK_METHOD2( aCallBack, bool(const std::string&, const std::string&) );
}
然后我尝试了
B *b = new B();
std::function<bool(const std::string&, const std::string&)> func =
std::bind(&B::aCallBack, b, std::PlaceHolders::_1, std::PlaceHolders::_2);
它仍然不起作用.如何获得gmock对象的函数指针?
It still does not work. How can I get a function pointer of a gmock object?
谢谢!
推荐答案
If you want to use mock to keep track of calls and set return values, you can use MockFunction
.
using testing::_;
using testing::MockFunction;
using testing::Return;
MockFunction<bool(const std::string&, const std::string&)> mockCallback;
EXPECT_CALL(mockCallback, Call(_, _)).WillOnce(Return(false)); // Or anything else you want to do
A( ...
mockCallback.AsStdFunction()
...);
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