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ad620927 NP |
1 | /* Test the Modern GNU Objective-C Runtime API. |
2 | ||
3 | This is test 'objc', covering all functions starting with 'objc'. */ | |
4 | ||
5 | /* { dg-do run } */ | |
6 | /* { dg-skip-if "" { *-*-* } { "-fnext-runtime" } { "" } } */ | |
7 | ||
8 | /* To get the modern GNU Objective-C Runtime API, you include | |
9 | objc/runtime.h. */ | |
10 | #include <objc/runtime.h> | |
11 | #include <stdlib.h> | |
12 | #include <stdio.h> | |
13 | #include <string.h> | |
14 | ||
15 | @interface MyRootClass | |
16 | { Class isa; } | |
17 | + alloc; | |
18 | - init; | |
19 | @end | |
20 | ||
21 | @implementation MyRootClass | |
22 | + alloc { return class_createInstance (self, 0); } | |
23 | - init { return self; } | |
24 | @end | |
25 | ||
26 | @protocol MyProtocol | |
27 | - (id) variable; | |
28 | @end | |
29 | ||
30 | @protocol MySecondProtocol | |
31 | - (id) setVariable: (id)value; | |
32 | @end | |
33 | ||
34 | @interface MySubClass : MyRootClass <MyProtocol> | |
35 | { id variable_ivar; } | |
36 | - (void) setVariable: (id)value; | |
37 | - (id) variable; | |
38 | @end | |
39 | ||
40 | @implementation MySubClass | |
41 | - (void) setVariable: (id)value { variable_ivar = value; } | |
42 | - (id) variable { return variable_ivar; } | |
43 | @end | |
44 | ||
45 | ||
46 | int main(int argc, void **args) | |
47 | { | |
48 | /* Functions are tested in alphabetical order. */ | |
49 | ||
50 | printf ("Testing objc_allocateClassPair ()...\n"); | |
51 | { | |
52 | Class new_root_class = objc_allocateClassPair (Nil, "MyNewRootClass", 0); | |
53 | Class new_class = objc_allocateClassPair (objc_getClass ("MyRootClass"), "MyNewSubClass", 0); | |
54 | ||
55 | /* A new root class would obviously need at least an 'isa' | |
56 | instance variable. We don't add it so we never actually | |
57 | instantiate an instance of the class, which wouldn't work. */ | |
58 | ||
59 | objc_registerClassPair (new_root_class); | |
60 | objc_registerClassPair (new_class); | |
61 | ||
62 | if (strcmp (class_getName (new_class), "MyNewSubClass") != 0) | |
63 | abort (); | |
64 | ||
65 | if (class_getSuperclass (new_class) != objc_getClass ("MyRootClass")) | |
66 | abort (); | |
67 | ||
68 | if (strcmp (class_getName (new_root_class), "MyNewRootClass") != 0) | |
69 | abort (); | |
70 | ||
71 | if (class_getSuperclass (new_root_class) != Nil) | |
72 | abort (); | |
73 | ||
74 | { | |
75 | MySubClass *o = [[objc_getClass ("MyNewSubClass") alloc] init]; | |
76 | ||
77 | if (object_getClass (o) != objc_getClass ("MyNewSubClass")) | |
78 | abort (); | |
79 | } | |
80 | } | |
81 | ||
82 | printf ("Testing objc_copyProtocolList ()...\n"); | |
83 | { | |
84 | /* Make sure both our two protocols are known to the runtime. */ | |
85 | id my_protocol = @protocol (MyProtocol); | |
86 | id my_second_protocol = @protocol (MySecondProtocol); | |
87 | unsigned int count; | |
88 | Protocol ** list = objc_copyProtocolList (&count); | |
89 | ||
90 | if (count != 2) | |
91 | abort (); | |
92 | ||
93 | if (! ((strcmp (protocol_getName (list[0]), "MyProtocol") == 0 | |
94 | && strcmp (protocol_getName (list[1]), "MySecondProtocol") == 0) | |
95 | || (strcmp (protocol_getName (list[0]), "MySecondProtocol") == 0 | |
96 | && strcmp (protocol_getName (list[1]), "MyProtocol") == 0))) | |
97 | abort (); | |
98 | ||
99 | if (list[2] != NULL) | |
100 | abort (); | |
101 | } | |
102 | ||
103 | printf ("Testing objc_disposeClassPair ()...\n"); | |
104 | { | |
105 | Method method = class_getInstanceMethod (objc_getClass ("MySubClass"), @selector (setVariable:)); | |
106 | Class new_class = objc_allocateClassPair (objc_getClass ("MyRootClass"), "MyNewSubClass", 0); | |
107 | ||
108 | /* Add a bit of everything to the class to exercise undoing all these changes. */ | |
109 | ||
110 | /* Instance variable. */ | |
111 | class_addIvar (new_class, "my_variable", sizeof (float), __alignof__ (float), @encode (float)); | |
112 | ||
113 | /* Instance method. */ | |
114 | class_addMethod (new_class, @selector (setVariable:), method_getImplementation (method), | |
115 | method_getTypeEncoding (method)); | |
116 | ||
117 | /* Class method. */ | |
118 | class_addMethod (object_getClass (new_class), @selector (setVariable:), method_getImplementation (method), | |
119 | method_getTypeEncoding (method)); | |
120 | ||
121 | /* Protocol. */ | |
122 | class_addProtocol (new_class, @protocol (MyProtocol)); | |
123 | ||
124 | objc_disposeClassPair (new_class); | |
125 | } | |
126 | ||
127 | /* This function currently does not exist with the GNU runtime. */ | |
128 | /* printf ("Testing objc_duplicateClass ()...\n"); */ | |
129 | ||
130 | /* TODO - Test it when implemented in the GNU Runtime */ | |
131 | /* printf ("Testing objc_getAssociatedObject ()...\n"); */ | |
132 | ||
133 | printf ("Testing objc_getClass ()...\n"); | |
134 | { | |
135 | if (strcmp (class_getName (objc_getClass ("MySubClass")), | |
136 | "MySubClass") != 0) | |
137 | abort (); | |
138 | } | |
139 | ||
140 | printf ("Testing objc_getClassList ()...\n"); | |
141 | { | |
142 | Class *list; | |
143 | int i, count, other_count; | |
144 | count = objc_getClassList (NULL, 0); | |
145 | ||
146 | /* count most likely will be 5, (MyRootClass, MySubClass, | |
147 | Protocol, Object, NXConstantString). */ | |
148 | if (count < 3) | |
149 | abort (); | |
150 | ||
151 | list = malloc (sizeof (Class) * count); | |
152 | other_count = objc_getClassList (list, count); | |
153 | ||
154 | if (other_count != count) | |
155 | abort (); | |
156 | ||
157 | /* Spot-check: search for class 'MyRootClass' in the list. */ | |
158 | for (i = 0; i < count; i++) | |
159 | { | |
160 | if (strcmp (class_getName (list[i]), "MyRootClass") == 0) | |
161 | break; | |
162 | } | |
163 | if (i == count) | |
164 | abort (); | |
165 | ||
166 | /* Spot-check: search for class 'MySubClass' in the list. */ | |
167 | for (i = 0; i < count; i++) | |
168 | { | |
169 | if (strcmp (class_getName (list[i]), "MySubClass") == 0) | |
170 | break; | |
171 | } | |
172 | if (i == count) | |
173 | abort (); | |
174 | ||
175 | /* Spot-check: search for class 'Protocol' in the list. */ | |
176 | for (i = 0; i < count; i++) | |
177 | { | |
178 | if (strcmp (class_getName (list[i]), "Protocol") == 0) | |
179 | break; | |
180 | } | |
181 | if (i == count) | |
182 | abort (); | |
183 | } | |
184 | ||
185 | /* This function does not exist with the GNU runtime. */ | |
186 | /* printf ("Testing objc_getFutureClass ()...\n"); */ | |
187 | ||
188 | printf ("Testing objc_getMetaClass ()...\n"); | |
189 | { | |
190 | if (! class_isMetaClass (objc_getMetaClass ("MyRootClass"))) | |
191 | abort (); | |
192 | } | |
193 | ||
194 | printf ("Testing objc_getProtocol ()...\n"); | |
195 | { | |
196 | if (! protocol_isEqual (objc_getProtocol ("MyProtocol"), @protocol (MyProtocol))) | |
197 | abort (); | |
198 | } | |
199 | ||
200 | printf ("Testing objc_getRequiredClass ()...\n"); | |
201 | { | |
202 | if (strcmp (class_getName (objc_getRequiredClass ("MyRootClass")), | |
203 | "MyRootClass") != 0) | |
204 | abort (); | |
205 | } | |
206 | ||
6e45b376 | 207 | printf ("Testing objc_lookUpClass ()...\n"); |
ad620927 | 208 | { |
6e45b376 | 209 | if (strcmp (class_getName (objc_lookUpClass ("MyRootClass")), |
ad620927 NP |
210 | "MyRootClass") != 0) |
211 | abort (); | |
212 | } | |
213 | ||
214 | /* This function does not exist with the GNU runtime. */ | |
215 | /* printf ("Testing objc_setFutureClass ()...\n"); */ | |
216 | ||
217 | printf ("Testing objc_registerClassPair ()...\n"); | |
218 | { | |
219 | Class new_class = objc_allocateClassPair (objc_getClass ("MySubClass"), "MySubSubClass", 0); | |
220 | ||
221 | class_addProtocol (new_class, @protocol (MySecondProtocol)); | |
222 | ||
223 | objc_registerClassPair (new_class); | |
224 | ||
225 | if (strcmp (class_getName (new_class), "MySubSubClass") != 0) | |
226 | abort (); | |
227 | ||
228 | if (class_getSuperclass (new_class) != objc_getClass ("MySubClass")) | |
229 | abort (); | |
230 | ||
231 | if (! class_conformsToProtocol (new_class, @protocol (MySecondProtocol))) | |
232 | abort (); | |
233 | } | |
234 | ||
235 | /* TODO - Test it when implemented in the GNU Runtime */ | |
236 | /* printf ("Testing objc_removeAssociatedObjects ()...\n"); */ | |
237 | ||
238 | /* TODO - Test it when implemented in the GNU Runtime */ | |
239 | /* printf ("Testing objc_setAssociatedObject ()...\n"); */ | |
240 | ||
241 | return 0; | |
242 | } |