llvm-project/clang/test/Lexer/char-literal.cpp

25 lines
1.3 KiB
C++
Raw Normal View History

// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -Wfour-char-constants -fsyntax-only -verify %s
int a = 'ab'; // expected-warning {{multi-character character constant}}
int b = '\xFF\xFF'; // expected-warning {{multi-character character constant}}
int c = 'APPS'; // expected-warning {{multi-character character constant}}
char d = ''; // expected-error {{character too large for enclosing character literal type}}
char e = '\u2318'; // expected-error {{character too large for enclosing character literal type}}
auto f = '\xE2\x8C\x98'; // expected-warning {{multi-character character constant}}
char16_t g = u'ab'; // expected-error {{Unicode character literals may not contain multiple characters}}
char16_t h = u'\U0010FFFD'; // expected-error {{character too large for enclosing character literal type}}
wchar_t i = L'ab'; // expected-warning {{extraneous characters in character constant ignored}}
wchar_t j = L'\U0010FFFD';
char32_t k = U'\U0010FFFD';
char l = 'Ø'; // expected-error {{character too large for enclosing character literal type}}
char m = '👿'; // expected-error {{character too large for enclosing character literal type}}
char32_t n = U'ab'; // expected-error {{Unicode character literals may not contain multiple characters}}
char16_t o = '👽'; // expected-error {{character too large for enclosing character literal type}}