Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -verify -Wclass-varargs -std=c++98 %s |
| 2 | // RUN: %clang_cc1 -verify -Wclass-varargs -std=c++11 %s |
| 3 | |
| 4 | struct A {}; |
| 5 | struct B { ~B(); }; |
| 6 | class C { char *c_str(); }; |
| 7 | struct D { char *c_str(); }; |
| 8 | struct E { E(); }; |
| 9 | struct F { F(); char *c_str(); }; |
| 10 | |
| 11 | void v(...); |
| 12 | void w(const char*, ...) __attribute__((format(printf, 1, 2))); |
| 13 | |
| 14 | void test(A a, B b, C c, D d, E e, F f) { |
| 15 | v(a); // expected-warning-re {{passing object of class type 'A' through variadic function{{$}}}} |
| 16 | v(b); // expected-error-re {{cannot pass object of non-{{POD|trivial}} type 'B' through variadic function; call will abort at runtime}} |
| 17 | v(c); // expected-warning {{passing object of class type 'C' through variadic function; did you mean to call '.c_str()'?}} |
| 18 | v(d); // expected-warning {{passing object of class type 'D' through variadic function; did you mean to call '.c_str()'?}} |
| 19 | v(e); |
| 20 | v(f); |
| 21 | #if __cplusplus < 201103L |
| 22 | // expected-error@-3 {{cannot pass object of non-POD type 'E' through variadic function; call will abort at runtime}} |
| 23 | // expected-error@-3 {{cannot pass object of non-POD type 'F' through variadic function; call will abort at runtime}} |
| 24 | #else |
| 25 | // expected-warning-re@-6 {{passing object of class type 'E' through variadic function{{$}}}} |
| 26 | // expected-warning@-6 {{passing object of class type 'F' through variadic function; did you mean to call '.c_str()'?}} |
| 27 | #endif |
| 28 | |
| 29 | v(d.c_str()); |
| 30 | v(f.c_str()); |
| 31 | v(0); |
| 32 | v('x'); |
| 33 | |
| 34 | w("%s", a); // expected-warning {{format specifies type 'char *' but the argument has type 'A'}} |
| 35 | w("%s", b); // expected-error-re {{cannot pass non-{{POD|trivial}} object of type 'B' to variadic function; expected type from format string was 'char *'}} |
| 36 | w("%s", c); // expected-warning {{format specifies type 'char *' but the argument has type 'C'}} |
| 37 | w("%s", d); // expected-warning {{format specifies type 'char *' but the argument has type 'D'}} |
| 38 | w("%s", e); |
| 39 | w("%s", f); |
| 40 | #if __cplusplus < 201103L |
| 41 | // expected-error@-3 {{cannot pass non-POD object of type 'E' to variadic function; expected type from format string was 'char *'}} |
| 42 | // expected-error@-3 {{cannot pass non-POD object of type 'F' to variadic function; expected type from format string was 'char *'}} |
| 43 | // expected-note@-4 {{did you mean to call the c_str() method?}} |
| 44 | #else |
| 45 | // expected-warning@-7 {{format specifies type 'char *' but the argument has type 'E'}} |
| 46 | // expected-warning@-7 {{format specifies type 'char *' but the argument has type 'F'}} |
| 47 | #endif |
| 48 | } |