107 lines
3.9 KiB
Objective-C
107 lines
3.9 KiB
Objective-C
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak %s -verify
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// rdar://21612439
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__attribute__((objc_root_class))
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@interface NSObject
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@end
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@class Forward;
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@class Forward2;
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// Tests for generic arguments.
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@interface PC1<T> : NSObject
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- (T) get;
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- (void) set: (T) v; // expected-note 4 {{parameter}}
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@end
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void test1a(PC1<__weak id> *obj) { // expected-error {{type argument '__weak id' cannot be qualified with '__weak'}}
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id x = [obj get];
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[obj set: x];
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}
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void test1b(PC1<__strong id> *obj) { // expected-error {{type argument '__strong id' cannot be qualified with '__strong'}}
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id x = [obj get];
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[obj set: x];
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}
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void test1c(PC1<id> *obj) {
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id x = [obj get];
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[obj set: x];
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}
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// Test that this doesn't completely kill downstream type-checking.
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void test1d(PC1<__weak Forward*> *obj) { // expected-error {{type argument 'Forward *__weak' cannot be qualified with '__weak'}}
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Forward2 *x = [obj get]; // expected-warning {{incompatible}}
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[obj set: x]; // expected-warning {{incompatible}}
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}
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void test1e(PC1<__strong Forward*> *obj) { // expected-error {{type argument 'Forward *__strong' cannot be qualified with '__strong'}}
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Forward2 *x = [obj get]; // expected-warning {{incompatible}}
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[obj set: x]; // expected-warning {{incompatible}}
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}
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void test1f(PC1<Forward*> *obj) {
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Forward2 *x = [obj get]; // expected-warning {{incompatible}}
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[obj set: x]; // expected-warning {{incompatible}}
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}
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// Typedefs are fine, just silently ignore them.
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typedef __strong id StrongID;
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void test1g(PC1<StrongID> *obj) {
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Forward2 *x = [obj get];
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[obj set: x];
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}
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typedef __strong Forward *StrongForward;
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void test1h(PC1<StrongForward> *obj) {
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Forward2 *x = [obj get]; // expected-warning {{incompatible}}
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[obj set: x]; // expected-warning {{incompatible}}
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}
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// These aren't really ARC-specific, but they're the same basic idea.
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void test1i(PC1<const id> *obj) { // expected-error {{type argument 'const id' cannot be qualified with 'const'}}
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id x = [obj get];
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[obj set: x];
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}
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void test1j(PC1<volatile id> *obj) { // expected-error {{type argument 'volatile id' cannot be qualified with 'volatile'}}
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id x = [obj get];
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[obj set: x];
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}
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void test1k(PC1<__attribute__((address_space(256))) id> *obj) { // expected-error {{type argument '__attribute__((address_space(256))) id' cannot be qualified with '__attribute__((address_space(256)))'}}
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id x = [obj get];
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[obj set: x];
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}
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// Tests for generic parameter bounds.
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@interface PC2<T : __strong id> // expected-error {{type bound '__strong id' for type parameter 'T' cannot be qualified with '__strong'}}
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@end
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@interface PC3<T : __weak id> // expected-error {{type bound '__weak id' for type parameter 'T' cannot be qualified with '__weak'}}
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@end
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@interface PC4<T : __strong Forward*> // expected-error {{type bound 'Forward *__strong' for type parameter 'T' cannot be qualified with '__strong'}}
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@end
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@interface PC5<T : __weak Forward*> // expected-error {{type bound 'Forward *__weak' for type parameter 'T' cannot be qualified with '__weak'}}
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@end
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@interface PC6<T : StrongID> // expected-error {{type bound 'StrongID' (aka '__strong id') for type parameter 'T' cannot be qualified with '__strong'}}
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@end
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@interface PC7<T : StrongForward> // expected-error {{type bound 'StrongForward' (aka 'Forward *__strong') for type parameter 'T' cannot be qualified with '__strong'}}
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@end
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// These aren't really ARC-specific, but they're the same basic idea.
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@interface PC8<T : const id> // expected-error {{type bound 'const id' for type parameter 'T' cannot be qualified with 'const'}}
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@end
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@interface PC9<T : volatile id> // expected-error {{type bound 'volatile id' for type parameter 'T' cannot be qualified with 'volatile'}}
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@end
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@interface PC10<T : __attribute__((address_space(256))) id> // expected-error {{type bound '__attribute__((address_space(256))) id' for type parameter 'T' cannot be qualified with '__attribute__((address_space(256)))'}}
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@end |