diff options
Diffstat (limited to 'gcc/testsuite/objc.dg/property/dotsyntax-18.m')
-rw-r--r-- | gcc/testsuite/objc.dg/property/dotsyntax-18.m | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/property/dotsyntax-18.m b/gcc/testsuite/objc.dg/property/dotsyntax-18.m new file mode 100644 index 000000000..5697d311d --- /dev/null +++ b/gcc/testsuite/objc.dg/property/dotsyntax-18.m @@ -0,0 +1,90 @@ +/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */ +/* { dg-do run } */ +/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */ + +/* Test dot-syntax with tricky assignments. */ + +#include <stdlib.h> +#include <objc/objc.h> +#include <objc/runtime.h> + +@interface MyRootClass +{ + Class isa; + int a; +} ++ (id) initialize; ++ (id) alloc; +- (id) init; +- (int) count; +- (void) setCount: (int)count; +- (int) somethingToExecuteOnlyOnce; +@end + +@implementation MyRootClass ++ (id) initialize { return self; } ++ (id) alloc { return class_createInstance (self, 0); } +- (id) init { return self; } +- (int) count +{ + return a; +} +- (void) setCount: (int)count +{ + a = count; +} +- (int) somethingToExecuteOnlyOnce +{ + a++; + return 10; +} +@end + +int main (void) +{ + MyRootClass *object1 = [[MyRootClass alloc] init]; + MyRootClass *object2 = [[MyRootClass alloc] init]; + MyRootClass *object3 = [[MyRootClass alloc] init]; + int i; + + object1.count = 10; + if (object1.count != 10) + abort (); + + object2.count = 10; + if (object2.count != 10) + abort (); + + /* Test multiple assignments to a constant. */ + object1.count = object2.count = 20; + + if (object1.count != 20 || object2.count != 20) + abort (); + + i = object1.count = 30; + + if (i != 30 || object1.count != 30) + abort (); + + i = object2.count = 30; + + if (i != 30 || object2.count != 30) + abort (); + + /* Test a simple assignment to something with a side-effect; the + 'rhs' should be evaluated only once. */ + object1.count = ([object2 somethingToExecuteOnlyOnce] > 0 ? 30 : 45); + + if (object1.count != 30 || object2.count != 31) + abort (); + + /* Test multiple assignments with side effects. */ + object3.count = object1.count = ([object2 somethingToExecuteOnlyOnce] > 0 ? 30 : 45); + + if (object1.count != 30 || object2.count != 32 || object3.count != 30) + abort (); + + return 0; +} + + |