1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -Wfour-char-constants -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c11 -x c -Wfour-char-constants -fsyntax-only -verify %s 3 4 #ifndef __cplusplus 5 typedef __WCHAR_TYPE__ wchar_t; 6 typedef __CHAR16_TYPE__ char16_t; 7 typedef __CHAR32_TYPE__ char32_t; 8 #endif 9 10 int a = 'ab'; // expected-warning {{multi-character character constant}} 11 int b = '\xFF\xFF'; // expected-warning {{multi-character character constant}} 12 int c = 'APPS'; // expected-warning {{multi-character character constant}} 13 14 char d = ''; // expected-error {{character too large for enclosing character literal type}} 15 char e = '\u2318'; // expected-error {{character too large for enclosing character literal type}} 16 17 #ifdef __cplusplus 18 auto f = '\xE2\x8C\x98'; // expected-warning {{multi-character character constant}} 19 #endif 20 21 char16_t g = u'ab'; // expected-error {{Unicode character literals may not contain multiple characters}} 22 char16_t h = u'\U0010FFFD'; // expected-error {{character too large for enclosing character literal type}} 23 24 wchar_t i = L'ab'; // expected-warning {{extraneous characters in character constant ignored}} 25 wchar_t j = L'\U0010FFFD'; 26 27 char32_t k = U'\U0010FFFD'; 28 29 char l = ''; // expected-error {{character too large for enclosing character literal type}} 30 char m = ''; // expected-error {{character too large for enclosing character literal type}} 31 32 char32_t n = U'ab'; // expected-error {{Unicode character literals may not contain multiple characters}} 33 char16_t o = ''; // expected-error {{character too large for enclosing character literal type}} 34 35 char16_t p[2] = u"\U0000FFFF"; 36 char16_t q[2] = u"\U00010000"; 37 #ifdef __cplusplus 38 // expected-error@-2 {{too long}} 39 #endif 40
