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