| 1 | // RUN: %clang_cc1 -fsyntax-only -Wno-deprecated-declarations -verify %s |
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| 2 | |
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| 3 | @interface INTF1 |
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| 4 | @required // expected-error {{directive may only be specified in protocols only}} |
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| 5 | - (int) FooBar; |
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| 6 | - (int) FooBar1; |
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| 7 | - (int) FooBar2; |
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| 8 | @optional // expected-error {{directive may only be specified in protocols only}} |
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| 9 | + (int) C; |
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| 10 | |
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| 11 | - (int)I; |
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| 12 | @end |
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| 13 | |
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| 14 | @protocol p1,p2,p3; |
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| 15 | |
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| 16 | @protocol p1; |
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| 17 | |
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| 18 | @protocol PROTO1 |
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| 19 | @required |
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| 20 | - (int) FooBar; |
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| 21 | @optional |
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| 22 | - (void) MyMethod1; |
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| 23 | + (int) S; |
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| 24 | @end |
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| 25 | |
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| 26 | |
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| 27 | @protocol PROTO2<p1> |
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| 28 | @end |
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| 29 | |
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| 30 | @protocol p1 @end |
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| 31 | |
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| 32 | @protocol PROTO<p1> // expected-note {{previous definition is here}} |
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| 33 | @end |
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| 34 | |
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| 35 | @protocol PROTO<p1> // expected-warning {{duplicate protocol definition of 'PROTO'}} |
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| 36 | @end |
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| 37 | |
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| 38 | @protocol PROTO3<p1, p1> |
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| 39 | @end |
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| 40 | |
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| 41 | @protocol p2 <p1> |
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| 42 | @end |
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| 43 | |
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| 44 | @protocol PROTO4 <p1, p2, PROTO, PROTO3, p3> |
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| 45 | @end |
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| 46 | |
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| 47 | |
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| 48 | // rdar://6771034 |
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| 49 | @protocol XX; |
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| 50 | @protocol YY <XX> // Use of declaration of XX here should not cause a warning. |
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| 51 | - zz; |
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| 52 | @end |
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| 53 | |
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| 54 | |
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| 55 | // Detect circular dependencies. |
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| 56 | @protocol B; |
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| 57 | @protocol C < B > // expected-note{{previous definition is here}} |
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| 58 | @end |
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| 59 | @protocol A < C > |
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| 60 | @end |
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| 61 | @protocol B < A > // expected-error{{protocol has circular dependency}} |
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| 62 | @end |
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| 63 | |
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| 64 | @protocol P |
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| 65 | - (int)test:(int)param, ..; // expected-warning{{type specifier missing}} \ |
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| 66 | // expected-error{{expected ';' after method prototype}} |
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| 67 | @end |
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| 68 | |
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