| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s |
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| 2 | |
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| 3 | #include <stddef.h> |
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| 4 | |
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| 5 | struct tag { |
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| 6 | void operator "" _tag_bad (const char *); // expected-error {{literal operator 'operator""_tag_bad' must be in a namespace or global scope}} |
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| 7 | friend void operator "" _tag_good (const char *); |
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| 8 | }; |
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| 9 | |
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| 10 | namespace ns { void operator "" _ns_good (const char *); } |
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| 11 | |
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| 12 | // Check extern "C++" declarations |
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| 13 | extern "C++" void operator "" _extern_good (const char *); |
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| 14 | extern "C++" { void operator "" _extern_good (const char *); } |
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| 15 | |
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| 16 | void fn () { void operator "" _fn_good (const char *); } |
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| 17 | |
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| 18 | // One-param declarations (const char * was already checked) |
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| 19 | void operator "" _good (char); |
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| 20 | void operator "" _good (wchar_t); |
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| 21 | void operator "" _good (char16_t); |
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| 22 | void operator "" _good (char32_t); |
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| 23 | void operator "" _good (unsigned long long); |
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| 24 | void operator "" _good (long double); |
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| 25 | |
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| 26 | // Two-param declarations |
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| 27 | void operator "" _good (const char *, size_t); |
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| 28 | void operator "" _good (const wchar_t *, size_t); |
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| 29 | void operator "" _good (const char16_t *, size_t); |
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| 30 | void operator "" _good (const char32_t *, size_t); |
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| 31 | |
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| 32 | // Check typedef and array equivalences |
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| 33 | void operator "" _good (const char[]); |
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| 34 | typedef const char c; |
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| 35 | void operator "" _good (c*); |
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| 36 | |
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| 37 | // Check extra cv-qualifiers |
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| 38 | void operator "" _cv_good (volatile const char *, const size_t); // expected-error {{invalid literal operator parameter type 'const volatile char *', did you mean 'const char *'?}} |
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| 39 | |
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| 40 | // Template declaration |
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| 41 | template <char...> void operator "" _good (); |
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| 42 | |
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| 43 | template <typename...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}} |
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| 44 | template <wchar_t...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}} |
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| 45 | template <unsigned long long...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}} |
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| 46 | |
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| 47 | _Complex float operator""if(long double); // expected-warning {{reserved}} |
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| 48 | _Complex float test_if_1() { return 2.0f + 1.5if; }; |
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| 49 | void test_if_2() { "foo"if; } // expected-error {{no matching literal operator for call to 'operator""if'}} |
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| 50 | |
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