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Improve the tests for 'is_literal_type'

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@251767 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2015-11-01 21:13:10 +00:00
parent 94611a888b
commit fe11cfdd65
1 changed files with 62 additions and 18 deletions
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80
test/std/utilities/meta/meta.unary/meta.unary.prop/is_literal_type.pass.cpp
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@ -12,17 +12,20 @@
// is_literal_type
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_literal_type()
{
static_assert( std::is_literal_type<T>::value, "");
static_assert( std::is_literal_type<const T>::value, "");
static_assert( std::is_literal_type<volatile T>::value, "");
static_assert( std::is_literal_type<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::is_literal_type_v<T>, "");
// static_assert( std::is_final_v<T>, "");
// static_assert( std::is_final_v<const T>, "");
// static_assert( std::is_final_v<volatile T>, "");
// static_assert( std::is_final_v<const volatile T>, "");
static_assert( std::is_literal_type_v<const T>, "");
static_assert( std::is_literal_type_v<volatile T>, "");
static_assert( std::is_literal_type_v<const volatile T>, "");
#endif
}
@ -30,31 +33,72 @@ template <class T>
void test_is_not_literal_type()
{
static_assert(!std::is_literal_type<T>::value, "");
static_assert(!std::is_literal_type<const T>::value, "");
static_assert(!std::is_literal_type<volatile T>::value, "");
static_assert(!std::is_literal_type<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert( std::is_literal_type_v<T>, "");
// static_assert( std::is_final_v<T>, "");
// static_assert( std::is_final_v<const T>, "");
// static_assert( std::is_final_v<volatile T>, "");
// static_assert( std::is_final_v<const volatile T>, "");
static_assert(!std::is_literal_type_v<T>, "");
static_assert(!std::is_literal_type_v<const T>, "");
static_assert(!std::is_literal_type_v<volatile T>, "");
static_assert(!std::is_literal_type_v<const volatile T>, "");
#endif
}
struct A
class Empty
{
};
struct B
class NotEmpty
{
B();
virtual ~NotEmpty();
};
union Union {};
struct bit_zero
{
int : 0;
};
class Abstract
{
virtual ~Abstract() = 0;
};
enum Enum {zero, one};
typedef void (*FunctionPtr)();
int main()
{
test_is_literal_type<int> ();
test_is_literal_type<const int> ();
test_is_literal_type<int&> ();
test_is_literal_type<volatile int&> ();
test_is_literal_type<A> ();
#if TEST_STD_VER >= 11
test_is_literal_type<std::nullptr_t>();
#endif
test_is_not_literal_type<B> ();
// Before C++14, void was not a literal type
// In C++14, cv-void is is a literal type
#if TEST_STD_VER < 14
test_is_not_literal_type<void>();
#else TEST_STD_VER > 14
test_is_literal_type<void>();
#endif
test_is_literal_type<int>();
test_is_literal_type<int*>();
test_is_literal_type<const int*>();
test_is_literal_type<int&>();
#if TEST_STD_VER >= 11
test_is_literal_type<int&&>();
#endif
test_is_literal_type<double>();
test_is_literal_type<char[3]>();
test_is_literal_type<char[]>();
test_is_literal_type<Empty>();
test_is_literal_type<bit_zero>();
test_is_literal_type<Union>();
test_is_literal_type<Enum>();
test_is_literal_type<FunctionPtr>();
test_is_not_literal_type<NotEmpty>();
test_is_not_literal_type<Abstract>();
}