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libcxx/test/std/utilities/meta/meta.unary.prop.query/rank.pass.cpp

55 lines
1.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// rank
#include <type_traits>
#include "test_macros.h"
template <class T, unsigned A>
void test_rank()
{
static_assert( std::rank<T>::value == A, "");
static_assert( std::rank<const T>::value == A, "");
static_assert( std::rank<volatile T>::value == A, "");
static_assert( std::rank<const volatile T>::value == A, "");
#if TEST_STD_VER > 14
static_assert( std::rank_v<T> == A, "");
static_assert( std::rank_v<const T> == A, "");
static_assert( std::rank_v<volatile T> == A, "");
static_assert( std::rank_v<const volatile T> == A, "");
#endif
}
class Class
{
public:
~Class();
};
int main()
{
test_rank<void, 0>();
test_rank<int&, 0>();
test_rank<Class, 0>();
test_rank<int*, 0>();
test_rank<const int*, 0>();
test_rank<int, 0>();
test_rank<double, 0>();
test_rank<bool, 0>();
test_rank<unsigned, 0>();
test_rank<char[3], 1>();
test_rank<char[][3], 2>();
test_rank<char[][4][3], 3>();
}