char-literal.cpp source code [clang_source_code/test/Lexer/char-literal.cpp]

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 = 'Ø'; // 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

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