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150
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1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
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2 // RUN: %clang_cc1 -x objective-c++ -fsyntax-only -verify -Wno-objc-root-class %s
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3 // rdar://16560476
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4
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5 __attribute__((objc_subclassing_restricted))
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6 @interface Leaf // okay
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7 @end
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8
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9 __attribute__((objc_subclassing_restricted))
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10 @interface SubClassOfLeaf : Leaf // expected-note {{class is declared here}}
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11 @end
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12
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13
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14 @interface SubClass : SubClassOfLeaf // expected-error {{cannot subclass a class that was declared with the 'objc_subclassing_restricted' attribute}}
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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 PlainRoot
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19 @end
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20
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21 __attribute__((objc_subclassing_restricted))
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22 @interface Sub2Class : PlainRoot // okay
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23 @end
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24
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25 // rdar://28753587
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26 __attribute__((objc_subclassing_restricted))
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27 @interface SuperImplClass // expected-note {{class is declared here}}
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28 @end
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29 @implementation SuperImplClass
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30 @end
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31
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32 __attribute__((objc_subclassing_restricted))
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33 @interface SubImplClass : SuperImplClass
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34 @end
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35 @implementation SubImplClass // expected-error {{cannot subclass a class that was declared with the 'objc_subclassing_restricted' attribute}}
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36 @end
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