120 lines
3.8 KiB
Objective-C
120 lines
3.8 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -Wno-objc-root-class %s
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@protocol NSObject
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@end
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@protocol DTOutputStreams <NSObject>
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@end
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@interface DTFilterOutputStream <DTOutputStreams>
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- nextOutputStream;
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@end
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@implementation DTFilterOutputStream
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- (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream {
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id <DTOutputStreams> nextOutputStream = [self nextOutputStream];
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self = nextOutputStream;
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return nextOutputStream ? nextOutputStream : self;
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}
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- nextOutputStream {
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return self;
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}
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@end
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@interface DTFilterOutputStream2
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- nextOutputStream; // expected-note {{method 'nextOutputStream' declared here}}
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@end
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@implementation DTFilterOutputStream2 // expected-warning {{method definition for 'nextOutputStream' not found}}
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- (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream {
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id <DTOutputStreams> nextOutputStream = [self nextOutputStream];
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self = nextOutputStream; // expected-warning {{assigning to 'DTFilterOutputStream2 *' from incompatible type 'id<DTOutputStreams>'}}
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return nextOutputStream ? nextOutputStream : self; // expected-warning {{incompatible operand types ('id<DTOutputStreams>' and 'DTFilterOutputStream2 *')}}
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}
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@end
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// No @interface declaration for DTFilterOutputStream3
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@implementation DTFilterOutputStream3 // expected-warning {{cannot find interface declaration for 'DTFilterOutputStream3'}} \
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// expected-note {{receiver is instance of class declared here}}
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- (id)initWithNextOutputStream:(id <DTOutputStreams>) outputStream {
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id <DTOutputStreams> nextOutputStream = [self nextOutputStream]; // expected-warning {{method '-nextOutputStream' not found (return type defaults to 'id')}}
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self = nextOutputStream; // expected-warning {{assigning to 'DTFilterOutputStream3 *' from incompatible type 'id<DTOutputStreams>'}}
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return nextOutputStream ? nextOutputStream : self; // expected-warning {{incompatible operand types ('id<DTOutputStreams>' and 'DTFilterOutputStream3 *')}}
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}
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@end
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//
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@protocol P0
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@property int intProp;
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@end
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@protocol P1
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@end
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@protocol P2
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@end
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@interface A <P0>
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@end
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@interface B : A
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@end
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@interface C
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@end
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@interface D
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@end
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void f0(id<P0> x) {
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x.intProp = 1;
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}
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void f1(int cond, id<P0> x, id<P0> y) {
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(cond ? x : y).intProp = 1;
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}
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void f2(int cond, id<P0> x, A *y) {
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(cond ? x : y).intProp = 1;
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}
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void f3(int cond, id<P0> x, B *y) {
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(cond ? x : y).intProp = 1;
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}
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void f4(int cond, id x, B *y) {
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(cond ? x : y).intProp = 1; // expected-error {{property 'intProp' not found on object of type 'id'}}
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}
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void f5(int cond, id<P0> x, C *y) {
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(cond ? x : y).intProp = 1; // expected-warning {{incompatible operand types ('id<P0>' and 'C *')}} expected-error {{property 'intProp' not found on object of type 'id'}}
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}
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void f6(int cond, C *x, D *y) {
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(cond ? x : y).intProp = 1; // expected-warning {{incompatible operand types}}, expected-error {{property 'intProp' not found on object of type 'id'}}
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}
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id f7(int a, id<P0> x, A* p) {
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return a ? x : p;
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}
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void f8(int a, A<P0> *x, A *y) {
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[ (a ? x : y ) intProp ];
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}
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void f9(int a, A<P0> *x, A<P1> *y) {
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id l0 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}}
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A<P0> *l1 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}}
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A<P1> *l2 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}}
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[ (a ? x : y ) intProp ]; // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}}
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}
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void f10(int a, id<P0> x, id y) {
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[ (a ? x : y ) intProp ];
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}
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void f11(int a, id<P0> x, id<P1> y) {
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[ (a ? x : y ) intProp ]; // expected-warning {{incompatible operand types ('id<P0>' and 'id<P1>')}}
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}
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void f12(int a, A<P0> *x, A<P1> *y) {
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A<P1>* l0 = (a ? x : y ); // expected-warning {{incompatible operand types ('A<P0> *' and 'A<P1> *')}}
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}
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