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; // expected-note 4 {{parameter}} |
17 | @end |
18 | |
19 | void 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 | |
24 | void 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 | |
29 | void 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. |
35 | void test1d(PC1<__weak Forward*> *obj) { // expected-error {{type argument 'Forward *__weak' cannot be qualified with '__weak'}} |
36 | Forward2 *x = [obj get]; // expected-warning {{incompatible}} |
37 | [obj set: x]; // expected-warning {{incompatible}} |
38 | } |
39 | |
40 | void test1e(PC1<__strong Forward*> *obj) { // expected-error {{type argument 'Forward *__strong' cannot be qualified with '__strong'}} |
41 | Forward2 *x = [obj get]; // expected-warning {{incompatible}} |
42 | [obj set: x]; // expected-warning {{incompatible}} |
43 | } |
44 | |
45 | void test1f(PC1<Forward*> *obj) { |
46 | Forward2 *x = [obj get]; // expected-warning {{incompatible}} |
47 | [obj set: x]; // expected-warning {{incompatible}} |
48 | } |
49 | |
50 | // Typedefs are fine, just silently ignore them. |
51 | typedef __strong id StrongID; |
52 | void test1g(PC1<StrongID> *obj) { |
53 | Forward2 *x = [obj get]; |
54 | [obj set: x]; |
55 | } |
56 | |
57 | typedef __strong Forward *StrongForward; |
58 | void test1h(PC1<StrongForward> *obj) { |
59 | Forward2 *x = [obj get]; // expected-warning {{incompatible}} |
60 | [obj set: x]; // expected-warning {{incompatible}} |
61 | } |
62 | |
63 | // These aren't really ARC-specific, but they're the same basic idea. |
64 | void 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 | |
69 | void 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 | |
74 | 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)))'}} |
75 | id x = [obj get]; |
76 | [obj set: x]; |
77 | } |
78 | |
79 | // Tests for generic parameter bounds. |
80 | |
81 | @interface PC2<T : __strong id> // expected-error {{type bound '__strong id' for type parameter 'T' cannot be qualified with '__strong'}} |
82 | @end |
83 | |
84 | @interface PC3<T : __weak id> // expected-error {{type bound '__weak id' for type parameter 'T' cannot be qualified with '__weak'}} |
85 | @end |
86 | |
87 | @interface PC4<T : __strong Forward*> // expected-error {{type bound 'Forward *__strong' for type parameter 'T' cannot be qualified with '__strong'}} |
88 | @end |
89 | |
90 | @interface PC5<T : __weak Forward*> // expected-error {{type bound 'Forward *__weak' for type parameter 'T' cannot be qualified with '__weak'}} |
91 | @end |
92 | |
93 | @interface PC6<T : StrongID> // expected-error {{type bound 'StrongID' (aka '__strong id') for type parameter 'T' cannot be qualified with '__strong'}} |
94 | @end |
95 | |
96 | @interface PC7<T : StrongForward> // expected-error {{type bound 'StrongForward' (aka 'Forward *__strong') for type parameter 'T' cannot be qualified with '__strong'}} |
97 | @end |
98 | |
99 | // These aren't really ARC-specific, but they're the same basic idea. |
100 | @interface PC8<T : const id> // expected-error {{type bound 'const id' for type parameter 'T' cannot be qualified with 'const'}} |
101 | @end |
102 | |
103 | @interface PC9<T : volatile id> // expected-error {{type bound 'volatile id' for type parameter 'T' cannot be qualified with 'volatile'}} |
104 | @end |
105 | |
106 | @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)))'}} |
107 | @end |