| 1 | // RUN: %clang_cc1 -S -o - -triple i686-windows -verify -fblocks \ |
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| 2 | // RUN: -Wno-unused-comparison %s |
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| 3 | |
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| 4 | #pragma clang diagnostic ignored "-Wunused-comparison" |
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| 5 | |
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| 6 | #define nil ((id)nullptr) |
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| 7 | |
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| 8 | @protocol NSObject |
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| 9 | @end |
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| 10 | |
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| 11 | @protocol NSCopying |
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| 12 | @end |
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| 13 | |
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| 14 | @protocol OtherProtocol |
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| 15 | @end |
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| 16 | |
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| 17 | __attribute__((objc_root_class)) |
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| 18 | @interface NSObject <NSObject, NSCopying> |
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| 19 | @end |
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| 20 | |
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| 21 | __attribute__((objc_root_class)) |
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| 22 | @interface Test |
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| 23 | @end |
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| 24 | |
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| 25 | int main() { |
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| 26 | void (^block)() = ^{}; |
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| 27 | NSObject *object; |
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| 28 | id<NSObject, NSCopying> qualifiedId; |
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| 29 | |
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| 30 | id<OtherProtocol> poorlyQualified1; |
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| 31 | Test *objectOfWrongType; |
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| 32 | |
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| 33 | block == nil; |
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| 34 | block == object; |
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| 35 | block == qualifiedId; |
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| 36 | |
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| 37 | nil == block; |
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| 38 | object == block; |
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| 39 | qualifiedId == block; |
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| 40 | |
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| 41 | // these are still not valid: blocks must be compared with id, NSObject*, or a protocol-qualified id |
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| 42 | // conforming to NSCopying or NSObject. |
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| 43 | |
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| 44 | block == poorlyQualified1; // expected-error {{invalid operands to binary expression ('void (^)()' and 'id<OtherProtocol>')}} |
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| 45 | block == objectOfWrongType; // expected-error {{invalid operands to binary expression ('void (^)()' and 'Test *')}} |
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| 46 | |
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| 47 | poorlyQualified1 == block; // expected-error {{invalid operands to binary expression ('id<OtherProtocol>' and 'void (^)()')}} |
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| 48 | objectOfWrongType == block; // expected-error {{invalid operands to binary expression ('Test *' and 'void (^)()')}} |
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| 49 | |
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| 50 | return 0; |
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| 51 | } |
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| 52 | |
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