diff options
Diffstat (limited to 'gcc/testsuite/obj-c++.dg/const-str-3.mm')
-rw-r--r-- | gcc/testsuite/obj-c++.dg/const-str-3.mm | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/const-str-3.mm b/gcc/testsuite/obj-c++.dg/const-str-3.mm new file mode 100644 index 00000000000..7d4f80863d2 --- /dev/null +++ b/gcc/testsuite/obj-c++.dg/const-str-3.mm @@ -0,0 +1,48 @@ +/* Test the -fconstant-string-class=Foo option under the NeXT + runtime. */ +/* Developed by Markus Hitter <mah@jump-ing.de>. */ + +/* { dg-options "-fnext-runtime -fconstant-string-class=Foo -lobjc" } */ +/* { dg-do run { target *-*-darwin* } } */ + +#include <stdio.h> +#include <stdlib.h> +#include <memory.h> +#include <objc/objc.h> +#include <objc/Object.h> + +@interface Foo: Object { + char *cString; + unsigned int len; +} +- (char *)customString; +@end + +struct objc_class _FooClassReference; + +@implementation Foo : Object +- (char *)customString { + return cString; +} +@end + +int main () { + Foo *string = @"bla"; + Foo *string2 = @"bla"; + + if(string != string2) + abort(); + printf("Strings are being uniqued properly\n"); + + /* This memcpy has to be done before the first message is sent to a + constant string object. Can't be moved to +initialize since _that_ + is already a message. */ + + memcpy(&_FooClassReference, objc_getClass("Foo"), sizeof(_FooClassReference)); + if (strcmp ([string customString], "bla")) { + abort (); + } + + printf([@"This is a working constant string object\n" customString]); + return 0; +} |