diff options
Diffstat (limited to 'test/Sema/conditional-expr.c')
-rw-r--r-- | test/Sema/conditional-expr.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/Sema/conditional-expr.c b/test/Sema/conditional-expr.c new file mode 100644 index 000000000000..1f0a9deb5e47 --- /dev/null +++ b/test/Sema/conditional-expr.c @@ -0,0 +1,51 @@ +// RUN: clang-cc -fsyntax-only -verify -pedantic %s +void foo() { + *(0 ? (double *)0 : (void *)0) = 0; + // FIXME: GCC doesn't consider the the following two statements to be errors. + *(0 ? (double *)0 : (void *)(int *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} + *(0 ? (double *)0 : (void *)(double *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} + *(0 ? (double *)0 : (int *)(void *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} expected-warning {{pointer type mismatch ('double *' and 'int *')}} + *(0 ? (double *)0 : (double *)(void *)0) = 0; + *((void *) 0) = 0; // expected-error {{incomplete type 'void' is not assignable}} + double *dp; + int *ip; + void *vp; + + dp = vp; + vp = dp; + ip = dp; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}} + dp = ip; // expected-warning {{incompatible pointer types assigning 'int *', expected 'double *'}} + dp = 0 ? (double *)0 : (void *)0; + vp = 0 ? (double *)0 : (void *)0; + ip = 0 ? (double *)0 : (void *)0; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}} + + const int *cip; + vp = (0 ? vp : cip); // expected-warning {{discards qualifiers}} + vp = (0 ? cip : vp); // expected-warning {{discards qualifiers}} + + int i = 2; + int (*pf)[2]; + int (*pv)[i]; + pf = (i ? pf : pv); + + enum {xxx,yyy,zzz} e, *ee; + short x; + ee = ee ? &x : ee ? &i : &e; // expected-warning {{pointer type mismatch}} + + typedef void *asdf; + *(0 ? (asdf) 0 : &x) = 10; +} + +int Postgresql() { + char x; + return ((((&x) != ((void *) 0)) ? (*(&x) = ((char) 1)) : (void) ((void *) 0)), (unsigned long) ((void *) 0)); // expected-warning {{C99 forbids conditional expressions with only one void side}} +} + +#define nil ((void*) 0) + +extern int f1(void); + +int f0(int a) { + // GCC considers this a warning. + return a ? f1() : nil; // expected-warning {{pointer/integer type mismatch in conditional expression ('int' and 'void *')}} expected-warning {{incompatible pointer to integer conversion returning 'void *', expected 'int'}} +} |