51 lines
1.2 KiB
Objective-C
51 lines
1.2 KiB
Objective-C
// RUN: %clang_cc1 -emit-llvm %s -o %t
|
|
|
|
void p(const char*, ...);
|
|
|
|
@interface NSArray
|
|
+(NSArray*) arrayWithObjects: (id) first, ...;
|
|
-(unsigned) count;
|
|
@end
|
|
@interface NSString
|
|
-(const char*) cString;
|
|
@end
|
|
|
|
#define S(n) @#n
|
|
#define L1(n) S(n+0),S(n+1)
|
|
#define L2(n) L1(n+0),L1(n+2)
|
|
#define L3(n) L2(n+0),L2(n+4)
|
|
#define L4(n) L3(n+0),L3(n+8)
|
|
#define L5(n) L4(n+0),L4(n+16)
|
|
#define L6(n) L5(n+0),L5(n+32)
|
|
|
|
void t0() {
|
|
NSArray *array = [NSArray arrayWithObjects: L1(0), (void*)0];
|
|
|
|
p("array.length: %d\n", [array count]);
|
|
unsigned index = 0;
|
|
for (NSString *i in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}}
|
|
p("element %d: %s\n", index++, [i cString]);
|
|
}
|
|
}
|
|
|
|
void t1() {
|
|
NSArray *array = [NSArray arrayWithObjects: L6(0), (void*)0];
|
|
|
|
p("array.length: %d\n", [array count]);
|
|
unsigned index = 0;
|
|
for (NSString *i in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}}
|
|
index++;
|
|
if (index == 10)
|
|
continue;
|
|
p("element %d: %s\n", index, [i cString]);
|
|
if (index == 55)
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rdar://problem/9027663
|
|
void t2(NSArray *array) {
|
|
for (NSArray *array in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}}
|
|
}
|
|
}
|