| // { dg-do run { target c++14 } } |
| // { dg-options -w } |
| |
| template<typename, typename> |
| struct is_same |
| { |
| static constexpr bool value = false; |
| }; |
| |
| template<typename _Tp> |
| struct is_same<_Tp, _Tp> |
| { |
| static constexpr bool value = true; |
| }; |
| |
| template<typename CharT, CharT... Str> |
| struct Foo |
| { |
| using char_type = CharT; |
| char_type chars[sizeof...(Str)]{Str...}; |
| }; |
| |
| template<typename CharT, CharT... Str> |
| Foo<CharT, Str...> |
| operator""_foo() |
| { |
| return Foo<CharT, Str...>(); |
| } |
| |
| int |
| main() |
| { |
| auto fooU = U"\x10000\x10001\x10002"_foo; |
| if (is_same<decltype(fooU)::char_type, char32_t>::value != true) __builtin_abort(); |
| if (sizeof(fooU.chars)/sizeof(char32_t) != 3) __builtin_abort(); |
| if (fooU.chars[0] != 65536) __builtin_abort(); |
| if (fooU.chars[1] != 65537) __builtin_abort(); |
| if (fooU.chars[2] != 65538) __builtin_abort(); |
| |
| auto foo = "\x61\x62\x63"_foo; |
| if (is_same<decltype(foo)::char_type, char>::value != true) __builtin_abort(); |
| if (sizeof(foo.chars)/sizeof(char) != 3) __builtin_abort(); |
| if (foo.chars[0] != 97) __builtin_abort(); |
| if (foo.chars[1] != 98) __builtin_abort(); |
| if (foo.chars[2] != 99) __builtin_abort(); |
| |
| #if __SIZEOF_WCHAR_T__ == 2 |
| auto wfoo = L"\x0102\x0304"_foo; |
| #else |
| auto wfoo = L"\x01020304\x05060708"_foo; |
| #endif |
| if (is_same<decltype(wfoo)::char_type, wchar_t>::value != true) __builtin_abort(); |
| if (sizeof(wfoo.chars)/sizeof(wchar_t) != 2) __builtin_abort(); |
| #if __SIZEOF_WCHAR_T__ == 2 |
| if (wfoo.chars[0] != 258) __builtin_abort(); |
| if (wfoo.chars[1] != 772) __builtin_abort(); |
| #else |
| if (wfoo.chars[0] != 16909060) __builtin_abort(); |
| if (wfoo.chars[1] != 84281096) __builtin_abort(); |
| #endif |
| |
| auto foou = u"\x0102\x0304\x0506\x0708"_foo; |
| if (is_same<decltype(foou)::char_type, char16_t>::value != true) __builtin_abort(); |
| if (sizeof(foou.chars)/sizeof(char16_t) != 4) __builtin_abort(); |
| if (foou.chars[0] != 258) __builtin_abort(); |
| if (foou.chars[1] != 772) __builtin_abort(); |
| if (foou.chars[2] != 1286) __builtin_abort(); |
| if (foou.chars[3] != 1800) __builtin_abort(); |
| } |