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Replace Boost PP_Iterate by C++11 variadic templates

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This allows support for any number of arguments and makes setting MOCK_MAX_ARGS unnecessary.
It also allows for easier debugging due to being able to step into actual code instead of preprocessor generated stuff
This commit is contained in:
Alexander Grund 2022-01-31 19:27:57 +01:00
parent 90d9ac8055
commit fca30e7780
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17 changed files with 368 additions and 472 deletions
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16
test/test_max_args.cpp
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@ -11,28 +11,30 @@
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/test/unit_test.hpp>
#define IDENTITY(z, n, d) d
#define IDENTITY(z, n, text) text
// Number of arguments is (now) unlimited, so take any high value here
#define NUM_TEST_ARGS 100
namespace {
struct my_custom_mock
{
MOCK_METHOD(method, MOCK_MAX_ARGS, void(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, int)), tag)
MOCK_METHOD(method2, MOCK_MAX_ARGS, int(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, int)), tag_2)
MOCK_METHOD(method, NUM_TEST_ARGS, void(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, int)), tag)
MOCK_METHOD(method2, NUM_TEST_ARGS, int(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, int)), tag_2)
};
} // namespace
BOOST_FIXTURE_TEST_CASE(call_mock_method_with_max_number_of_args, mock_error_fixture)
{
my_custom_mock m;
MOCK_EXPECT(m.tag).once().with(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, 0));
m.method(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, 0));
MOCK_EXPECT(m.tag).once().with(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, 0));
m.method(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, 0));
CHECK_CALLS(1);
}
BOOST_FIXTURE_TEST_CASE(call_mock_method_with_max_number_of_args_and_a_return_value, mock_error_fixture)
{
my_custom_mock m;
MOCK_EXPECT(m.tag_2).once().with(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, 0)).returns(42);
BOOST_CHECK_EQUAL(42, m.method2(BOOST_PP_ENUM(MOCK_MAX_ARGS, IDENTITY, 0)));
MOCK_EXPECT(m.tag_2).once().with(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, 0)).returns(42);
BOOST_CHECK_EQUAL(42, m.method2(BOOST_PP_ENUM(NUM_TEST_ARGS, IDENTITY, 0)));
CHECK_CALLS(1);
}