gcc/gcc/testsuite/gcc.dg/c2x-has-c-attribute-1.c

29 lines
531 B
C

/* Test __has_c_attribute. Test basic properties. */
/* { dg-do preprocess } */
/* { dg-options "-std=c2x -pedantic-errors" } */
#ifdef __has_c_attribute
/* OK. */
#else
#error "__has_c_attribute not defined"
#endif
#ifndef __has_c_attribute
#error "__has_c_attribute not defined"
#endif
#if defined __has_c_attribute
/* OK. */
#else
#error "__has_c_attribute not defined"
#endif
#if __has_c_attribute(foo)
#error "foo attribute supported"
#endif
#if 0
#elif __has_c_attribute(foo)
#error "foo attribute supported"
#endif