| 1 | // RUN: %clang_cc1 -emit-llvm %s -o %t |
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| 2 | |
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| 3 | void p(const char*, ...); |
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| 4 | |
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| 5 | @interface NSArray |
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| 6 | +(NSArray*) arrayWithObjects: (id) first, ...; |
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| 7 | -(unsigned) count; |
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| 8 | @end |
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| 9 | @interface NSString |
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| 10 | -(const char*) cString; |
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| 11 | @end |
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| 12 | |
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| 13 | #define S(n) @#n |
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| 14 | #define L1(n) S(n+0),S(n+1) |
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| 15 | #define L2(n) L1(n+0),L1(n+2) |
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| 16 | #define L3(n) L2(n+0),L2(n+4) |
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| 17 | #define L4(n) L3(n+0),L3(n+8) |
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| 18 | #define L5(n) L4(n+0),L4(n+16) |
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| 19 | #define L6(n) L5(n+0),L5(n+32) |
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| 20 | |
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| 21 | void t0() { |
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| 22 | NSArray *array = [NSArray arrayWithObjects: L1(0), (void*)0]; |
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| 23 | |
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| 24 | p("array.length: %d\n", [array count]); |
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| 25 | unsigned index = 0; |
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| 26 | for (NSString *i in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}} |
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| 27 | p("element %d: %s\n", index++, [i cString]); |
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| 28 | } |
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| 29 | } |
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| 30 | |
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| 31 | void t1() { |
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| 32 | NSArray *array = [NSArray arrayWithObjects: L6(0), (void*)0]; |
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| 33 | |
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| 34 | p("array.length: %d\n", [array count]); |
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| 35 | unsigned index = 0; |
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| 36 | for (NSString *i in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}} |
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| 37 | index++; |
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| 38 | if (index == 10) |
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| 39 | continue; |
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| 40 | p("element %d: %s\n", index, [i cString]); |
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| 41 | if (index == 55) |
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| 42 | break; |
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| 43 | } |
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| 44 | } |
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| 45 | |
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| 46 | // rdar://problem/9027663 |
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| 47 | void t2(NSArray *array) { |
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| 48 | for (NSArray *array in array) { // expected-warning {{collection expression type 'NSArray *' may not respond}} |
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| 49 | } |
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| 50 | } |
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| 51 | |
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