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lokinet/test/util/meta/test_llarp_util_memfn.cpp
2021-03-04 15:41:42 -05:00

55 lines
882 B
C++

#include <util/meta/memfn.hpp>
#include <catch2/catch.hpp>
using namespace llarp;
struct Foo
{
bool
empty()
{
return false;
}
bool
constEmpty() const
{
return true;
}
int
arg(int v)
{
return v + 1;
}
int
constArg(int v) const
{
return v - 1;
}
};
TEST_CASE("memFn call")
{
Foo foo;
REQUIRE_FALSE(util::memFn(&Foo::empty, &foo)());
REQUIRE(util::memFn(&Foo::constEmpty, &foo)());
REQUIRE(11 == util::memFn(&Foo::arg, &foo)(10));
REQUIRE(9 == util::memFn(&Foo::constArg, &foo)(10));
REQUIRE(util::memFn(&Foo::constEmpty, &foo)());
REQUIRE(9 == util::memFn(&Foo::constArg, &foo)(10));
}
// clang-format off
using MemFnTypes = std::tuple<
Foo, const Foo>;
// clang-format on
TEMPLATE_LIST_TEST_CASE("memFn type smoke test", "", MemFnTypes)
{
TestType foo{};
REQUIRE(util::memFn(&Foo::constEmpty, &foo)());
}