cppmp/test/cppmp/cppmp_getter_tests.cpp

#include <gtest/gtest.h>

#include <cppmp.h>

using namespace ::testing;
using namespace ::cppmp;

struct test_obj
{
    mutable int value;

    int get()
        { return value; }

    int cget() const
        { return value; }

    static int sget(test_obj& o)
        { return o.value; }
};

TEST(cppmp_getter_tests, member_var)
{
    test_obj o { 1 };

    auto g = make_getter(&test_obj::value);
    auto i = g(o);

    EXPECT_EQ(1, i);
}

TEST(cppmp_getter_tests, member_func)
{
    test_obj o { 1 };

    auto g = make_getter(&test_obj::get);
    auto i = g(o);

    EXPECT_EQ(1, i);
}

TEST(cppmp_getter_tests, const_member_func)
{
    test_obj o { 1 };

    auto g = make_getter(&test_obj::cget);
    auto i = g(o);

    EXPECT_EQ(1, i);
}

TEST(cppmp_getter_tests, static_func)
{
    test_obj o { 1 };

    auto g = make_getter(&test_obj::sget);
    auto i = g(o);

    EXPECT_EQ(1, i);
}

TEST(cppmp_getter_tests, lambda)
{
    test_obj obj { 1 };

    auto g = make_getter([](test_obj& o){
        return o.value;
    });
    auto i = g(obj);

    EXPECT_EQ(1, i);
}