diff options
Diffstat (limited to 'gcc/testsuite/obj-c++.dg/encode-6.mm')
-rw-r--r-- | gcc/testsuite/obj-c++.dg/encode-6.mm | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/encode-6.mm b/gcc/testsuite/obj-c++.dg/encode-6.mm new file mode 100644 index 00000000000..1ee11714def --- /dev/null +++ b/gcc/testsuite/obj-c++.dg/encode-6.mm @@ -0,0 +1,75 @@ +/* Encoding tests for ObjC class layouts. */ +/* Contributed by Ziemowit Laski <zlaski@apple.com>. */ +/* { dg-options "-lobjc" } */ +/* { dg-do run } */ + +#include <objc/Object.h> +#ifdef __NEXT_RUNTIME__ +#include <objc/objc-class.h> +#define OBJC_GETCLASS objc_getClass +#else +#include <objc/objc-api.h> +#define OBJC_GETCLASS objc_get_class +#endif + +extern "C" { + extern void abort(void); + extern int strcmp(const char *s1, const char *s2); +} +#define CHECK_IF(expr) if(!(expr)) abort() + +@class Int1, Int2; +struct Nested; + +struct Innermost { + unsigned char a, b; + struct Nested *encl; +}; + +struct Nested { + float a, b; + Int1 *next; + struct Innermost innermost; +}; + +@interface Int1: Object { + signed char a, b; + Int2 *int2; + struct Nested nested; +} +@end + +@interface Int2: Int1 { + struct Innermost *innermost; + Int1 *base; +} +@end + +@implementation Int1 +@end + +@implementation Int2 +@end + +struct objc_ivar *ivar; + +static void check_ivar(const char *name, const char *type) { + CHECK_IF(!strcmp(ivar->ivar_name, name)); + CHECK_IF(!strcmp(ivar->ivar_type, type)); + ivar++; +} + +int main(void) { + ivar = ((Class)OBJC_GETCLASS("Int1"))->ivars->ivar_list; + check_ivar("a", "c"); + check_ivar("b", "c"); + check_ivar("int2", "@\"Int2\""); + check_ivar("nested", + "{Nested=\"a\"f\"b\"f\"next\"@\"Int1\"\"innermost\"{Innermost=\"a\"C\"b\"C\"encl\"^{Nested}}}"); + + ivar = ((Class)OBJC_GETCLASS("Int2"))->ivars->ivar_list; + check_ivar("innermost", "^{Innermost=CC^{Nested}}"); + check_ivar("base", "@\"Int1\""); + + return 0; +} |