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