objc-static-assert.mm
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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
// RUN: %clang_cc1 -std=c++98 -fsyntax-only -verify -Wno-objc-root-class %s
#if __has_feature(objc_c_static_assert)
#error failed
#endif
#if !__has_extension(objc_c_static_assert)
#error failed
#endif
#if __cplusplus >= 201103L
#if !__has_feature(objc_cxx_static_assert)
#error failed
#endif
// C++11
@interface A {
int a;
static_assert(1, "");
_Static_assert(1, "");
static_assert(0, ""); // expected-error {{static_assert failed}}
_Static_assert(0, ""); // expected-error {{static_assert failed}}
static_assert(a, ""); // expected-error {{static_assert expression is not an integral constant expression}}
static_assert(sizeof(a) == 4, "");
static_assert(sizeof(a) == 3, ""); // expected-error {{static_assert failed}}
}
static_assert(1, "");
_Static_assert(1, "");
- (void)f;
@end
@implementation A {
int b;
static_assert(1, "");
_Static_assert(1, "");
static_assert(sizeof(b) == 4, "");
static_assert(sizeof(b) == 3, ""); // expected-error {{static_assert failed}}
}
static_assert(1, "");
- (void)f {
static_assert(1, "");
}
@end
@interface B
@end
@interface B () {
int b;
static_assert(sizeof(b) == 4, "");
static_assert(sizeof(b) == 3, ""); // expected-error {{static_assert failed}}
}
@end
#else
#if __has_feature(objc_cxx_static_assert)
#error failed
#endif
// C++98
@interface A {
int a;
static_assert(1, ""); // expected-error {{type name requires a specifier or qualifier}} expected-error{{expected parameter declarator}} expected-error {{expected ')'}} expected-note {{to match this '('}}
_Static_assert(1, "");
_Static_assert(0, ""); // expected-error {{static_assert failed}}
}
@end
#endif