1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
#include <QtTest/QtTest>
#include <QtCore/QThread>
#include <TelepathyQt/SharedPtr>
using namespace Tp;
class TestSharedPtr : public QObject
{
Q_OBJECT
private Q_SLOTS:
void testSharedPtrDict();
void testSharedPtrBoolConversion();
void testWeakPtrBoolConversion();
void testThreadSafety();
};
class Data;
typedef SharedPtr<Data> DataPtr;
class Data : public QObject,
public RefCounted
{
Q_OBJECT
Q_DISABLE_COPY(Data);
public:
static DataPtr create() { return DataPtr(new Data()); }
static DataPtr createNull() { return DataPtr(0); }
private:
Data() {}
};
void TestSharedPtr::testSharedPtrDict()
{
QHash<DataPtr, int> dict;
DataPtr nullPtr = Data::createNull();
dict[nullPtr] = 1;
QCOMPARE(dict.size(), 1);
QCOMPARE(dict[nullPtr], 1);
DataPtr validPtr1 = Data::create();
QCOMPARE(qHash(validPtr1.data()), qHash(validPtr1));
dict[validPtr1] = 2;
QCOMPARE(dict.size(), 2);
QCOMPARE(dict[nullPtr], 1);
QCOMPARE(dict[validPtr1], 2);
DataPtr validPtr2 = validPtr1;
QCOMPARE(validPtr1.data(), validPtr2.data());
QCOMPARE(qHash(validPtr1), qHash(validPtr2));
dict[validPtr2] = 3;
QCOMPARE(dict.size(), 2);
QCOMPARE(dict[nullPtr], 1);
QCOMPARE(dict[validPtr1], 3);
QCOMPARE(dict[validPtr2], 3);
DataPtr validPtrAlternative = Data::create();
QVERIFY(validPtr1.data() != validPtrAlternative.data());
QVERIFY(validPtr1 != validPtrAlternative);
QVERIFY(qHash(validPtr1) != qHash(validPtrAlternative));
dict[validPtrAlternative] = 4;
QCOMPARE(dict.size(), 3);
QCOMPARE(dict[nullPtr], 1);
QCOMPARE(dict[validPtr1], 3);
QCOMPARE(dict[validPtr2], 3);
QCOMPARE(dict[validPtrAlternative], 4);
}
void TestSharedPtr::testSharedPtrBoolConversion()
{
DataPtr nullPtr1;
DataPtr nullPtr2 = Data::createNull();
DataPtr validPtr1 = Data::create();
DataPtr validPtr2 = validPtr1;
DataPtr validPtrAlternative = Data::create();
// Boolean conditions
QVERIFY(!validPtr1.isNull());
QVERIFY(nullPtr1.isNull());
QVERIFY(validPtr1 ? true : false);
QVERIFY(!validPtr1 ? false : true);
QVERIFY(nullPtr1 ? false : true);
QVERIFY(!nullPtr1 ? true : false);
QVERIFY(validPtr1);
QVERIFY(!!validPtr1);
QVERIFY(!nullPtr1);
// Supported operators
QVERIFY(nullPtr1 == nullPtr1);
QVERIFY(nullPtr1 == nullPtr2);
QVERIFY(validPtr1 == validPtr1);
QVERIFY(validPtr1 == validPtr2);
QVERIFY(validPtr1 != validPtrAlternative);
QCOMPARE(validPtr1 == validPtrAlternative, false);
QVERIFY(validPtr1 != nullPtr1);
QCOMPARE(validPtr1 == nullPtr1, false);
// Supported conversions, constructors and copy operators
bool trueBool1 = validPtr1;
QVERIFY(trueBool1);
bool trueBool2(validPtr2);
QVERIFY(trueBool2);
trueBool1 = validPtrAlternative;
QVERIFY(trueBool1);
bool falseBool1 = nullPtr1;
QVERIFY(!falseBool1);
bool falseBool2(nullPtr2);
QVERIFY(!falseBool2);
falseBool1 = nullPtr1;
QVERIFY(!falseBool1);
#if 0
// Unsupported operators, this should not compile
bool condition;
condition = validPtr1 > nullPtr1;
condition = validPtr1 + nullPtr1;
// Unsupported conversions, this should not compile
int validInt1 = validPtr1;
int validInt2(validPtr1);
validInt1 = validPtr1;
int nullInt1 = nullPtr1;
int nullInt2(nullPtr1);
nullInt1 = nullPtr1;
float validFloat1 = validPtr1;
float validFloat2(validPtr1);
validFloat1 = validPtr1;
float nullFloat1 = nullPtr1;
float nullFloat2(nullPtr1);
nullFloat1 = nullPtr1;
Q_UNUSED(validInt1);
Q_UNUSED(validInt2);
Q_UNUSED(nullInt1);
Q_UNUSED(nullInt2);
Q_UNUSED(validFloat1);
Q_UNUSED(validFloat2);
Q_UNUSED(nullFloat1);
Q_UNUSED(nullFloat2);
#endif
}
void TestSharedPtr::testWeakPtrBoolConversion()
{
WeakPtr<Data> nullPtr1;
DataPtr strongNullPtr2 = Data::createNull();
WeakPtr<Data> nullPtr2 = strongNullPtr2;
DataPtr strongValidPtr1 = Data::create();
WeakPtr<Data> validPtr1 = strongValidPtr1;
WeakPtr<Data> validPtr2 = validPtr1;
DataPtr strongValidPtrAlternative = Data::create();
WeakPtr<Data> validPtrAlternative = strongValidPtrAlternative;
// Boolean conditions
QVERIFY(!validPtr1.isNull());
QVERIFY(nullPtr1.isNull());
QVERIFY(validPtr1 ? true : false);
QVERIFY(!validPtr1 ? false : true);
QVERIFY(nullPtr1 ? false : true);
QVERIFY(!nullPtr1 ? true : false);
QVERIFY(validPtr1);
QVERIFY(!!validPtr1);
QVERIFY(!nullPtr1);
// Supported operators
QVERIFY(nullPtr1 == nullPtr1);
QVERIFY(nullPtr1 == nullPtr2);
QVERIFY(validPtr1 == validPtr1);
QVERIFY(validPtr1 == validPtr2);
// XXX why not comparison operator?
//QVERIFY(validPtr1 != validPtrAlternative);
//QCOMPARE(validPtr1 == validPtrAlternative, false);
QVERIFY(validPtr1 != nullPtr1);
QCOMPARE(validPtr1 == nullPtr1, false);
// Supported conversions, constructors and copy operators
bool trueBool1 = validPtr1;
QVERIFY(trueBool1);
bool trueBool2(validPtr2);
QVERIFY(trueBool2);
trueBool1 = validPtrAlternative;
QVERIFY(trueBool1);
bool falseBool1 = nullPtr1;
QVERIFY(!falseBool1);
bool falseBool2(nullPtr2);
QVERIFY(!falseBool2);
falseBool1 = nullPtr1;
QVERIFY(!falseBool1);
#if 0
// Unsupported operators, this should not compile
bool condition;
condition = validPtr1 > nullPtr1;
condition = validPtr1 + nullPtr1;
// Unsupported conversions, this should not compile
int validInt1 = validPtr1;
int validInt2(validPtr1);
validInt1 = validPtr1;
int nullInt1 = nullPtr1;
int nullInt2(nullPtr1);
nullInt1 = nullPtr1;
float validFloat1 = validPtr1;
float validFloat2(validPtr1);
validFloat1 = validPtr1;
float nullFloat1 = nullPtr1;
float nullFloat2(nullPtr1);
nullFloat1 = nullPtr1;
Q_UNUSED(validInt1);
Q_UNUSED(validInt2);
Q_UNUSED(nullInt1);
Q_UNUSED(nullInt2);
Q_UNUSED(validFloat1);
Q_UNUSED(validFloat2);
Q_UNUSED(nullFloat1);
Q_UNUSED(nullFloat2);
#endif
// Test the boolean operations after the main SharedPtr is gone
strongValidPtrAlternative.reset();
QVERIFY(validPtrAlternative.isNull());
QVERIFY(validPtrAlternative ? false : true);
QVERIFY(!validPtrAlternative ? true : false);
}
class Thread : public QThread
{
public:
Thread(const DataPtr &ptr, QObject *parent = 0) : QThread(parent), mPtr(ptr) {}
void run()
{
QVERIFY(!mPtr.isNull());
for (int i = 0; i < 200; ++i) {
WeakPtr<Data> wptrtmp(mPtr);
QVERIFY(!wptrtmp.isNull());
DataPtr ptrtmp(wptrtmp);
wptrtmp = WeakPtr<Data>();
QVERIFY(!ptrtmp.isNull());
DataPtr ptrtmp2(ptrtmp);
ptrtmp.reset();
QVERIFY(!ptrtmp2.isNull());
WeakPtr<Data> wptrtmp2 = ptrtmp2;
ptrtmp2.reset();
QVERIFY(!wptrtmp2.isNull());
WeakPtr<Data> wptrtmp3(wptrtmp2);
QVERIFY(!wptrtmp3.isNull());
wptrtmp3 = wptrtmp2;
wptrtmp2 = WeakPtr<Data>();
QVERIFY(!wptrtmp3.isNull());
DataPtr ptrtmp3(wptrtmp3);
wptrtmp3 = WeakPtr<Data>();
QCOMPARE(ptrtmp3.data(), mPtr.data());
QVERIFY(!ptrtmp3.isNull());
WeakPtr<Data> wptrtmp4(ptrtmp3.data());
ptrtmp3.reset();
QVERIFY(!wptrtmp4.isNull());
}
}
private:
DataPtr mPtr;
};
void TestSharedPtr::testThreadSafety()
{
DataPtr ptr = Data::create();
WeakPtr<Data> weakPtr(ptr);
Data *savedData = ptr.data();
QVERIFY(savedData != NULL);
QVERIFY(!ptr.isNull());
QVERIFY(!weakPtr.isNull());
Thread *t[5];
for (int i = 0; i < 5; ++i) {
t[i] = new Thread(ptr, this);
t[i]->start();
}
for (int i = 0; i < 5; ++i) {
t[i]->wait();
delete t[i];
}
QCOMPARE(ptr.data(), savedData);
QVERIFY(!ptr.isNull());
QVERIFY(!weakPtr.isNull());
for (int i = 0; i < 5; ++i) {
t[i] = new Thread(ptr, this);
t[i]->start();
}
QVERIFY(!ptr.isNull());
QVERIFY(!weakPtr.isNull());
ptr.reset();
QVERIFY(ptr.isNull());
for (int i = 0; i < 5; ++i) {
t[i]->wait();
delete t[i];
}
QVERIFY(!ptr.data());
QVERIFY(ptr.isNull());
QVERIFY(weakPtr.isNull());
DataPtr promotedPtr(weakPtr);
QVERIFY(!promotedPtr.data());
QVERIFY(promotedPtr.isNull());
}
QTEST_MAIN(TestSharedPtr)
#include "_gen/ptr.cpp.moc.hpp"
|
