1 #define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_30
2 #include <glib-object.h>
3
4 static void
test_value_basic(void)5 test_value_basic (void)
6 {
7 GValue value = G_VALUE_INIT;
8
9 g_assert_false (G_IS_VALUE (&value));
10 g_assert_false (G_VALUE_HOLDS_INT (&value));
11 g_value_unset (&value);
12 g_assert_false (G_IS_VALUE (&value));
13 g_assert_false (G_VALUE_HOLDS_INT (&value));
14
15 g_value_init (&value, G_TYPE_INT);
16 g_assert_true (G_IS_VALUE (&value));
17 g_assert_true (G_VALUE_HOLDS_INT (&value));
18 g_assert_false (G_VALUE_HOLDS_UINT (&value));
19 g_assert_cmpint (g_value_get_int (&value), ==, 0);
20
21 g_value_set_int (&value, 10);
22 g_assert_cmpint (g_value_get_int (&value), ==, 10);
23
24 g_value_reset (&value);
25 g_assert_true (G_IS_VALUE (&value));
26 g_assert_true (G_VALUE_HOLDS_INT (&value));
27 g_assert_cmpint (g_value_get_int (&value), ==, 0);
28
29 g_value_unset (&value);
30 g_assert_false (G_IS_VALUE (&value));
31 g_assert_false (G_VALUE_HOLDS_INT (&value));
32 }
33
34 static void
test_value_string(void)35 test_value_string (void)
36 {
37 const gchar *static1 = "static1";
38 const gchar *static2 = "static2";
39 const gchar *storedstr;
40 const gchar *copystr;
41 gchar *str1, *str2;
42 GValue value = G_VALUE_INIT;
43 GValue copy = G_VALUE_INIT;
44
45 g_test_summary ("Test that G_TYPE_STRING GValue copy properly");
46
47 /*
48 * Regular strings (ownership not passed)
49 */
50
51 /* Create a regular string gvalue and make sure it copies the provided string */
52 g_value_init (&value, G_TYPE_STRING);
53 g_assert_true (G_VALUE_HOLDS_STRING (&value));
54
55 /* The string contents should be empty at this point */
56 storedstr = g_value_get_string (&value);
57 g_assert_true (storedstr == NULL);
58
59 g_value_set_string (&value, static1);
60 /* The contents should be a copy of the same string */
61 storedstr = g_value_get_string (&value);
62 g_assert_true (storedstr != static1);
63 g_assert_cmpstr (storedstr, ==, static1);
64 /* Check g_value_dup_string() provides a copy */
65 str1 = g_value_dup_string (&value);
66 g_assert_true (storedstr != str1);
67 g_assert_cmpstr (str1, ==, static1);
68 g_free (str1);
69
70 /* Copying a regular string gvalue should copy the contents */
71 g_value_init (©, G_TYPE_STRING);
72 g_value_copy (&value, ©);
73 copystr = g_value_get_string (©);
74 g_assert_true (copystr != storedstr);
75 g_assert_cmpstr (copystr, ==, static1);
76 g_value_unset (©);
77
78 /* Setting a new string should change the contents */
79 g_value_set_string (&value, static2);
80 /* The contents should be a copy of that *new* string */
81 storedstr = g_value_get_string (&value);
82 g_assert_true (storedstr != static2);
83 g_assert_cmpstr (storedstr, ==, static2);
84
85 /* Setting a static string over that should also change it (test for
86 * coverage and valgrind) */
87 g_value_set_static_string (&value, static1);
88 storedstr = g_value_get_string (&value);
89 g_assert_true (storedstr != static2);
90 g_assert_cmpstr (storedstr, ==, static1);
91
92 /* Giving a string directly (ownership passed) should replace the content */
93 str2 = g_strdup (static2);
94 g_value_take_string (&value, str2);
95 storedstr = g_value_get_string (&value);
96 g_assert_true (storedstr != static2);
97 g_assert_cmpstr (storedstr, ==, str2);
98
99 g_value_unset (&value);
100
101 /*
102 * Regular strings (ownership passed)
103 */
104
105 g_value_init (&value, G_TYPE_STRING);
106 g_assert_true (G_VALUE_HOLDS_STRING (&value));
107 str1 = g_strdup (static1);
108 g_value_take_string (&value, str1);
109 /* The contents should be the string we provided */
110 storedstr = g_value_get_string (&value);
111 g_assert_true (storedstr == str1);
112 /* But g_value_dup_string() should provide a copy */
113 str2 = g_value_dup_string (&value);
114 g_assert_true (storedstr != str2);
115 g_assert_cmpstr (str2, ==, static1);
116 g_free (str2);
117
118 /* Copying a regular string gvalue (even with ownership passed) should copy
119 * the contents */
120 g_value_init (©, G_TYPE_STRING);
121 g_value_copy (&value, ©);
122 copystr = g_value_get_string (©);
123 g_assert_true (copystr != storedstr);
124 g_assert_cmpstr (copystr, ==, static1);
125 g_value_unset (©);
126
127 /* Setting a new regular string should change the contents */
128 g_value_set_string (&value, static2);
129 /* The contents should be a copy of that *new* string */
130 storedstr = g_value_get_string (&value);
131 g_assert_true (storedstr != static2);
132 g_assert_cmpstr (storedstr, ==, static2);
133
134 g_value_unset (&value);
135
136 /*
137 * Static strings
138 */
139 g_value_init (&value, G_TYPE_STRING);
140 g_assert_true (G_VALUE_HOLDS_STRING (&value));
141 g_value_set_static_string (&value, static1);
142 /* The contents should be the string we provided */
143 storedstr = g_value_get_string (&value);
144 g_assert_true (storedstr == static1);
145 /* But g_value_dup_string() should provide a copy */
146 str2 = g_value_dup_string (&value);
147 g_assert_true (storedstr != str2);
148 g_assert_cmpstr (str2, ==, static1);
149 g_free (str2);
150
151 /* Copying a static string gvalue should *actually* copy the contents */
152 g_value_init (©, G_TYPE_STRING);
153 g_value_copy (&value, ©);
154 copystr = g_value_get_string (©);
155 g_assert_true (copystr != static1);
156 g_value_unset (©);
157
158 /* Setting a new string should change the contents */
159 g_value_set_static_string (&value, static2);
160 /* The contents should be a copy of that *new* string */
161 storedstr = g_value_get_string (&value);
162 g_assert_true (storedstr != static1);
163 g_assert_cmpstr (storedstr, ==, static2);
164
165 g_value_unset (&value);
166
167 /*
168 * Interned/Canonical strings
169 */
170 static1 = g_intern_static_string (static1);
171 g_value_init (&value, G_TYPE_STRING);
172 g_assert_true (G_VALUE_HOLDS_STRING (&value));
173 g_value_set_interned_string (&value, static1);
174 g_assert_true (G_VALUE_IS_INTERNED_STRING (&value));
175 /* The contents should be the string we provided */
176 storedstr = g_value_get_string (&value);
177 g_assert_true (storedstr == static1);
178 /* But g_value_dup_string() should provide a copy */
179 str2 = g_value_dup_string (&value);
180 g_assert_true (storedstr != str2);
181 g_assert_cmpstr (str2, ==, static1);
182 g_free (str2);
183
184 /* Copying an interned string gvalue should *not* copy the contents
185 * and should still be an interned string */
186 g_value_init (©, G_TYPE_STRING);
187 g_value_copy (&value, ©);
188 g_assert_true (G_VALUE_IS_INTERNED_STRING (©));
189 copystr = g_value_get_string (©);
190 g_assert_true (copystr == static1);
191 g_value_unset (©);
192
193 /* Setting a new interned string should change the contents */
194 static2 = g_intern_static_string (static2);
195 g_value_set_interned_string (&value, static2);
196 g_assert_true (G_VALUE_IS_INTERNED_STRING (&value));
197 /* The contents should be the interned string */
198 storedstr = g_value_get_string (&value);
199 g_assert_cmpstr (storedstr, ==, static2);
200
201 /* Setting a new regular string should change the contents */
202 g_value_set_string (&value, static2);
203 g_assert_false (G_VALUE_IS_INTERNED_STRING (&value));
204 /* The contents should be a copy of that *new* string */
205 storedstr = g_value_get_string (&value);
206 g_assert_true (storedstr != static2);
207 g_assert_cmpstr (storedstr, ==, static2);
208
209 g_value_unset (&value);
210 }
211
212 static gint
cmpint(gconstpointer a,gconstpointer b)213 cmpint (gconstpointer a, gconstpointer b)
214 {
215 const GValue *aa = a;
216 const GValue *bb = b;
217
218 return g_value_get_int (aa) - g_value_get_int (bb);
219 }
220
221 static void
test_valuearray_basic(void)222 test_valuearray_basic (void)
223 {
224 GValueArray *a;
225 GValueArray *a2;
226 GValue v = G_VALUE_INIT;
227 GValue *p;
228 guint i;
229
230 a = g_value_array_new (20);
231
232 g_value_init (&v, G_TYPE_INT);
233 for (i = 0; i < 100; i++)
234 {
235 g_value_set_int (&v, i);
236 g_value_array_append (a, &v);
237 }
238
239 g_assert_cmpint (a->n_values, ==, 100);
240 p = g_value_array_get_nth (a, 5);
241 g_assert_cmpint (g_value_get_int (p), ==, 5);
242
243 for (i = 20; i < 100; i+= 5)
244 g_value_array_remove (a, 100 - i);
245
246 for (i = 100; i < 150; i++)
247 {
248 g_value_set_int (&v, i);
249 g_value_array_prepend (a, &v);
250 }
251
252 g_value_array_sort (a, cmpint);
253 for (i = 0; i < a->n_values - 1; i++)
254 g_assert_cmpint (g_value_get_int (&a->values[i]), <=, g_value_get_int (&a->values[i+1]));
255
256 a2 = g_value_array_copy (a);
257 for (i = 0; i < a->n_values; i++)
258 g_assert_cmpint (g_value_get_int (&a->values[i]), ==, g_value_get_int (&a2->values[i]));
259
260 g_value_array_free (a);
261 g_value_array_free (a2);
262 }
263
264 /* We create some dummy objects with this relationship:
265 *
266 * GObject TestInterface
267 * / \ / /
268 * TestObjectA TestObjectB /
269 * / \ /
270 * TestObjectA1 TestObjectA2-------
271 *
272 * ie: TestObjectA1 and TestObjectA2 are subclasses of TestObjectA
273 * and TestObjectB is related to neither. TestObjectA2 and TestObjectB
274 * implement TestInterface
275 */
276
277 typedef GTypeInterface TestInterfaceInterface;
278 static GType test_interface_get_type (void);
G_DEFINE_INTERFACE(TestInterface,test_interface,G_TYPE_OBJECT)279 G_DEFINE_INTERFACE (TestInterface, test_interface, G_TYPE_OBJECT)
280 static void test_interface_default_init (TestInterfaceInterface *iface) { }
281
282 static GType test_object_a_get_type (void);
283 typedef GObject TestObjectA; typedef GObjectClass TestObjectAClass;
G_DEFINE_TYPE(TestObjectA,test_object_a,G_TYPE_OBJECT)284 G_DEFINE_TYPE (TestObjectA, test_object_a, G_TYPE_OBJECT)
285 static void test_object_a_class_init (TestObjectAClass *class) { }
test_object_a_init(TestObjectA * a)286 static void test_object_a_init (TestObjectA *a) { }
287
288 static GType test_object_b_get_type (void);
289 typedef GObject TestObjectB; typedef GObjectClass TestObjectBClass;
test_object_b_iface_init(TestInterfaceInterface * iface)290 static void test_object_b_iface_init (TestInterfaceInterface *iface) { }
G_DEFINE_TYPE_WITH_CODE(TestObjectB,test_object_b,G_TYPE_OBJECT,G_IMPLEMENT_INTERFACE (test_interface_get_type (),test_object_b_iface_init))291 G_DEFINE_TYPE_WITH_CODE (TestObjectB, test_object_b, G_TYPE_OBJECT,
292 G_IMPLEMENT_INTERFACE (test_interface_get_type (), test_object_b_iface_init))
293 static void test_object_b_class_init (TestObjectBClass *class) { }
test_object_b_init(TestObjectB * b)294 static void test_object_b_init (TestObjectB *b) { }
295
296 static GType test_object_a1_get_type (void);
297 typedef GObject TestObjectA1; typedef GObjectClass TestObjectA1Class;
G_DEFINE_TYPE(TestObjectA1,test_object_a1,test_object_a_get_type ())298 G_DEFINE_TYPE (TestObjectA1, test_object_a1, test_object_a_get_type ())
299 static void test_object_a1_class_init (TestObjectA1Class *class) { }
test_object_a1_init(TestObjectA1 * c)300 static void test_object_a1_init (TestObjectA1 *c) { }
301
302 static GType test_object_a2_get_type (void);
303 typedef GObject TestObjectA2; typedef GObjectClass TestObjectA2Class;
test_object_a2_iface_init(TestInterfaceInterface * iface)304 static void test_object_a2_iface_init (TestInterfaceInterface *iface) { }
G_DEFINE_TYPE_WITH_CODE(TestObjectA2,test_object_a2,test_object_a_get_type (),G_IMPLEMENT_INTERFACE (test_interface_get_type (),test_object_a2_iface_init))305 G_DEFINE_TYPE_WITH_CODE (TestObjectA2, test_object_a2, test_object_a_get_type (),
306 G_IMPLEMENT_INTERFACE (test_interface_get_type (), test_object_a2_iface_init))
307 static void test_object_a2_class_init (TestObjectA2Class *class) { }
test_object_a2_init(TestObjectA2 * b)308 static void test_object_a2_init (TestObjectA2 *b) { }
309
310 static void
test_value_transform_object(void)311 test_value_transform_object (void)
312 {
313 GValue src = G_VALUE_INIT;
314 GValue dest = G_VALUE_INIT;
315 GObject *object;
316 guint i, s, d;
317 GType types[] = {
318 G_TYPE_OBJECT,
319 test_interface_get_type (),
320 test_object_a_get_type (),
321 test_object_b_get_type (),
322 test_object_a1_get_type (),
323 test_object_a2_get_type ()
324 };
325
326 for (i = 0; i < G_N_ELEMENTS (types); i++)
327 {
328 if (!G_TYPE_IS_CLASSED (types[i]))
329 continue;
330
331 object = g_object_new (types[i], NULL);
332
333 for (s = 0; s < G_N_ELEMENTS (types); s++)
334 {
335 if (!G_TYPE_CHECK_INSTANCE_TYPE (object, types[s]))
336 continue;
337
338 g_value_init (&src, types[s]);
339 g_value_set_object (&src, object);
340
341 for (d = 0; d < G_N_ELEMENTS (types); d++)
342 {
343 g_test_message ("Next: %s object in GValue of %s to GValue of %s", g_type_name (types[i]), g_type_name (types[s]), g_type_name (types[d]));
344 g_assert_true (g_value_type_transformable (types[s], types[d]));
345 g_value_init (&dest, types[d]);
346 g_assert_true (g_value_transform (&src, &dest));
347 g_assert_cmpint (g_value_get_object (&dest) != NULL, ==, G_TYPE_CHECK_INSTANCE_TYPE (object, types[d]));
348 g_value_unset (&dest);
349 }
350 g_value_unset (&src);
351 }
352
353 g_object_unref (object);
354 }
355 }
356
357 int
main(int argc,char * argv[])358 main (int argc, char *argv[])
359 {
360 g_test_init (&argc, &argv, NULL);
361
362 g_test_add_func ("/value/basic", test_value_basic);
363 g_test_add_func ("/value/string", test_value_string);
364 g_test_add_func ("/value/array/basic", test_valuearray_basic);
365 g_test_add_func ("/value/transform-object", test_value_transform_object);
366
367 return g_test_run ();
368 }
369