| // C++26 P1854R4 - Making non-encodable string literals ill-formed |
| // { dg-do compile { target c++11 } } |
| // { dg-require-effective-target int32 } |
| // { dg-options "-pedantic-errors -finput-charset=UTF-8 -fexec-charset=UTF-8" } |
| |
| int a = 'abcd'; // { dg-warning "multi-character character constant" } |
| int b = '\x61\x62\x63\x64'; // { dg-warning "multi-character character constant" } |
| int c = 'á'; // { dg-error "character not encodable in a single execution character code unit" } |
| int d = '😁'; // { dg-error "character not encodable in a single execution character code unit" } |
| int e = '\N{FACE WITH TEARS OF JOY}'; // { dg-error "character not encodable in a single execution character code unit" } |
| // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } .-1 } |
| int f = '\U0001F602'; // { dg-error "character not encodable in a single execution character code unit" } |
| wchar_t g = L'abcd'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } |
| // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 } |
| wchar_t h = L'\x61\x62\x63\x64'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } |
| // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 } |
| wchar_t i = L'á'; |
| char16_t j = u'abcd'; // { dg-error "multi-character literal cannot have an encoding prefix" } |
| char16_t k = u'\x61\x62\x63\x64'; // { dg-error "multi-character literal cannot have an encoding prefix" } |
| char16_t l = u'á'; |
| char16_t m = u'😁'; // { dg-error "character not encodable in a single code unit" } |
| char16_t n = u'\N{FACE WITH TEARS OF JOY}'; // { dg-error "character not encodable in a single code unit" { target c++23 } } |
| // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } .-1 } |
| char16_t o = u'\U0001F602'; // { dg-error "character not encodable in a single code unit" } |
| char32_t p = U'abcd'; // { dg-error "multi-character literal cannot have an encoding prefix" } |
| char32_t q = U'\x61\x62\x63\x64'; // { dg-error "multi-character literal cannot have an encoding prefix" } |
| char32_t r = U'á'; |
| char32_t s = U'😁'; |
| char32_t t = U'\N{FACE WITH TEARS OF JOY}'; // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } } |
| char32_t u = U'\U0001F602'; |
| #if __cpp_unicode_characters >= 201411L |
| auto v = u8'abcd'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++17 } } |
| auto w = u8'\x61\x62\x63\x64'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++17 } } |
| auto x = u8'á'; // { dg-error "character not encodable in a single code unit" "" { target c++17 } } |
| auto y = u8'😁'; // { dg-error "character not encodable in a single code unit" "" { target c++17 } } |
| auto z = u8'\N{FACE WITH TEARS OF JOY}'; // { dg-error "character not encodable in a single code unit" "" { target c++17 } } |
| // { dg-error "named universal character escapes are only valid in" "" { target { c++17 && c++20_down } } .-1 } |
| auto aa = u8'\U0001F602'; // { dg-error "character not encodable in a single code unit" "" { target c++17 } } |
| #endif |
| const char *ab = "😁"; |
| const char *ac = "\N{FACE WITH TEARS OF JOY}"; // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } } |
| const char *ad = "\U0001F602"; |
| const char16_t *ae = u"😁"; |
| const char16_t *af = u"\N{FACE WITH TEARS OF JOY}"; // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } } |
| const char16_t *ag = u"\U0001F602"; |
| const char32_t *ah = U"😁"; |
| const char32_t *ai = U"\N{FACE WITH TEARS OF JOY}"; // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } } |
| const char32_t *aj = U"\U0001F602"; |
| auto ak = u8"😁"; |
| auto al = u8"\N{FACE WITH TEARS OF JOY}"; // { dg-error "named universal character escapes are only valid in" "" { target c++20_down } } |
| auto am = u8"\U0001F602"; |
| int an = '\x123456789'; // { dg-error "hex escape sequence out of range" } |
| wchar_t ao = L'\x123456789abcdef0'; // { dg-error "hex escape sequence out of range" } |
| char16_t ap = u'\x12345678'; // { dg-error "hex escape sequence out of range" } |
| char32_t aq = U'\x123456789abcdef0'; // { dg-error "hex escape sequence out of range" } |
| #if __cpp_unicode_characters >= 201411L |
| auto ar = u8'\x123456789abcdef0'; // { dg-error "hex escape sequence out of range" "" { target c++17 } } |
| #endif |
| char as = '\xff'; |
| #if __SIZEOF_WCHAR_T__ * __CHAR_BIT__ == 32 |
| wchar_t at = L'\xffffffff'; |
| #elif __SIZEOF_WCHAR_T__ * __CHAR_BIT__ == 16 |
| wchar_t at = L'\xffff'; |
| #endif |
| int au = '\x1234'; // { dg-error "hex escape sequence out of range" } |
| int av = 'abcdefghijklmnop'; // { dg-warning "multi-character literal with \[0-9]+ characters exceeds 'int' size of \[0-9]+ bytes" } |
