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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
Audacity: A Digital Audio Editor
TypeEnumerator.cpp
@brief compilation-only tests as examples of use of TypeEnumerator
Paul Licameli
**********************************************************************/
#include <catch2/catch.hpp>
#include "TypeEnumerator.h"
using namespace TypeEnumerator;
using namespace TypeList;
BEGIN_TYPE_ENUMERATION(Tag1)
BEGIN_TYPE_ENUMERATION(Tag2)
ENUMERATE_TYPE(Tag1, void)
ENUMERATE_TYPE(Tag2, char)
TEST_CASE("Using different tags")
{
struct Here1 : Tag1{};
struct Here2 : Tag2{};
static_assert(std::is_same_v<List<void>,
CollectTypes<Tag1, Here1>::type>);
static_assert(std::is_same_v<List<char>,
CollectTypes<Tag2, Here2>::type>);
}
ENUMERATE_TYPE(Tag1, const volatile int&)
ENUMERATE_TYPE(Tag2, long)
TEST_CASE("Dependency on location")
{
struct Here1 : Tag1{};
struct Here2 : Tag2{};
static_assert(std::is_same_v<List<void, const volatile int&>,
CollectTypes<Tag1, Here1>::type>);
static_assert(std::is_same_v<List<char, long>,
CollectTypes<Tag2, Here2>::type>);
}
ENUMERATE_TYPE(Tag1, const volatile int&)
ENUMERATE_TYPE(Tag2, long)
TEST_CASE("Distinct types, only")
{
struct Here1 : Tag1{};
struct Here2 : Tag2{};
static_assert(std::is_same_v<List<void, const volatile int&>,
CollectTypes<Tag1, Here1>::type>);
static_assert(std::is_same_v<List<char, long>,
CollectTypes<Tag2, Here2>::type>);
}
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