1// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak %s -verify 2 3// rdar://21612439 4 5__attribute__((objc_root_class)) 6@interface NSObject 7@end 8 9@class Forward; 10@class Forward2; 11 12// Tests for generic arguments. 13 14@interface PC1<T> : NSObject 15- (T) get; 16- (void) set: (T) v; 17@end 18 19void test1a(PC1<__weak id> *obj) { // expected-error {{type argument '__weak id' cannot be qualified with '__weak'}} 20 id x = [obj get]; 21 [obj set: x]; 22} 23 24void test1b(PC1<__strong id> *obj) { // expected-error {{type argument '__strong id' cannot be qualified with '__strong'}} 25 id x = [obj get]; 26 [obj set: x]; 27} 28 29void test1c(PC1<id> *obj) { 30 id x = [obj get]; 31 [obj set: x]; 32} 33 34// Test that this doesn't completely kill downstream type-checking. 35void test1d(PC1<__weak Forward*> *obj) { // expected-error {{type argument 'Forward *__weak' cannot be qualified with '__weak'}} 36 Forward2 *x = [obj get]; // expected-error {{cannot initialize}} 37 [obj set: x]; 38} 39 40void test1e(PC1<__strong Forward*> *obj) { // expected-error {{type argument 'Forward *__strong' cannot be qualified with '__strong'}} 41 Forward2 *x = [obj get]; // expected-error {{cannot initialize}} 42 [obj set: x]; 43} 44 45void test1f(PC1<Forward*> *obj) { 46 Forward2 *x = [obj get]; // expected-error {{cannot initialize}} 47 [obj set: x]; 48} 49 50// Typedefs are fine, just silently ignore them. 51typedef __strong id StrongID; 52void test1g(PC1<StrongID> *obj) { 53 Forward2 *x = [obj get]; 54 [obj set: x]; 55} 56 57typedef __strong Forward *StrongForward; 58void test1h(PC1<StrongForward> *obj) { 59 Forward2 *x = [obj get]; // expected-error {{cannot initialize}} 60 [obj set: x]; 61} 62 63// These aren't really ARC-specific, but they're the same basic idea. 64void test1i(PC1<const id> *obj) { // expected-error {{type argument 'const id' cannot be qualified with 'const'}} 65 id x = [obj get]; 66 [obj set: x]; 67} 68 69void test1j(PC1<volatile id> *obj) { // expected-error {{type argument 'volatile id' cannot be qualified with 'volatile'}} 70 id x = [obj get]; 71 [obj set: x]; 72} 73 74void 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)))'}} 75 id x = [obj get]; 76 [obj set: x]; 77} 78 79// Template-specific tests. 80template <class T> PC1<T> *test2_temp(); 81void test2a() { test2_temp<id>(); } 82void test2b() { test2_temp<const id>(); } 83void test2c() { test2_temp<volatile id>(); } 84void test2d() { test2_temp<__strong id>(); } 85void test2e() { test2_temp<__weak id>(); } 86void test2f() { test2_temp<__attribute__((address_space(256))) id>(); } 87 88template <class T> PC1<const T> *test3a(); // expected-error {{type argument 'const T' cannot be qualified with 'const'}} 89template <class T> PC1<__strong T> *test3b(); // expected-error {{type argument '__strong T' cannot be qualified with '__strong'}} 90 91// Tests for generic parameter bounds. 92 93@interface PC2<T : __strong id> // expected-error {{type bound '__strong id' for type parameter 'T' cannot be qualified with '__strong'}} 94@end 95 96@interface PC3<T : __weak id> // expected-error {{type bound '__weak id' for type parameter 'T' cannot be qualified with '__weak'}} 97@end 98 99@interface PC4<T : __strong Forward*> // expected-error {{type bound 'Forward *__strong' for type parameter 'T' cannot be qualified with '__strong'}} 100@end 101 102@interface PC5<T : __weak Forward*> // expected-error {{type bound 'Forward *__weak' for type parameter 'T' cannot be qualified with '__weak'}} 103@end 104 105@interface PC6<T : StrongID> // expected-error {{type bound 'StrongID' (aka '__strong id') for type parameter 'T' cannot be qualified with '__strong'}} 106@end 107 108@interface PC7<T : StrongForward> // expected-error {{type bound 'StrongForward' (aka 'Forward *__strong') for type parameter 'T' cannot be qualified with '__strong'}} 109@end 110 111// These aren't really ARC-specific, but they're the same basic idea. 112@interface PC8<T : const id> // expected-error {{type bound 'const id' for type parameter 'T' cannot be qualified with 'const'}} 113@end 114 115@interface PC9<T : volatile id> // expected-error {{type bound 'volatile id' for type parameter 'T' cannot be qualified with 'volatile'}} 116@end 117 118@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)))'}} 119@end 120