52 lines
1.3 KiB
Plaintext
52 lines
1.3 KiB
Plaintext
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// RUN: %clang_cc1 -S -o - -triple i686-windows -verify -fblocks \
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// RUN: -Wno-unused-comparison %s
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#pragma clang diagnostic ignored "-Wunused-comparison"
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#define nil ((id)nullptr)
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@protocol NSObject
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@end
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@protocol NSCopying
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@end
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@protocol OtherProtocol
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@end
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__attribute__((objc_root_class))
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@interface NSObject <NSObject, NSCopying>
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@end
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__attribute__((objc_root_class))
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@interface Test
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@end
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int main() {
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void (^block)() = ^{};
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NSObject *object;
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id<NSObject, NSCopying> qualifiedId;
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id<OtherProtocol> poorlyQualified1;
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Test *objectOfWrongType;
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block == nil;
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block == object;
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block == qualifiedId;
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nil == block;
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object == block;
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qualifiedId == block;
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// these are still not valid: blocks must be compared with id, NSObject*, or a protocol-qualified id
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// conforming to NSCopying or NSObject.
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block == poorlyQualified1; // expected-error {{invalid operands to binary expression ('void (^)()' and 'id<OtherProtocol>')}}
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block == objectOfWrongType; // expected-error {{invalid operands to binary expression ('void (^)()' and 'Test *')}}
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poorlyQualified1 == block; // expected-error {{invalid operands to binary expression ('id<OtherProtocol>' and 'void (^)()')}}
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objectOfWrongType == block; // expected-error {{invalid operands to binary expression ('Test *' and 'void (^)()')}}
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return 0;
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}
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