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
337
338
|
module cpp11_std_unique_ptr_runme;
import cpp11_std_unique_ptr.cpp11_std_unique_ptr;
import cpp11_std_unique_ptr.Klass;
import cpp11_std_unique_ptr.KlassInheritance;
import std.conv;
import std.algorithm;
void checkCount(int expected_count) {
int actual_count = Klass.getTotal_count();
if (actual_count != expected_count)
throw new Exception("Counts incorrect, expected:" ~ to!string(expected_count) ~ " actual:" ~ to!string(actual_count));
}
void main() {
// Test raw pointer handling involving virtual inheritance
{
scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
checkCount(1);
string s = useKlassRawPtr(kini);
if (s != "KlassInheritanceInput")
throw new Exception("Incorrect string: " ~ s);
}
checkCount(0);
///// INPUT BY VALUE /////
// unique_ptr as input
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = takeKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = takeKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
bool exception_thrown = false;
try {
takeKlassUniquePtr(kin);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("double usage of takeKlassUniquePtr should have been an error");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
bool exception_thrown = false;
Klass notowned = get_not_owned_ptr(kin);
try {
takeKlassUniquePtr(notowned);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("Should have thrown 'Cannot release ownership as memory is not owned' error");
checkCount(1);
}
checkCount(0);
{
scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
checkCount(1);
string s = takeKlassUniquePtr(kini);
checkCount(0);
if (s != "KlassInheritanceInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kini))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
takeKlassUniquePtr(null);
takeKlassUniquePtr(make_null());
checkCount(0);
// overloaded parameters
if (overloadTest() != 0)
throw new Exception("overloadTest failed");
if (overloadTest(null) != 1)
throw new Exception("overloadTest failed");
if (overloadTest(new Klass("over")) != 1)
throw new Exception("overloadTest failed");
checkCount(0);
///// INPUT BY RVALUE REF /////
// unique_ptr as input
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = moveKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = moveKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
bool exception_thrown = false;
try {
moveKlassUniquePtr(kin);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("double usage of moveKlassUniquePtr should have been an error");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
bool exception_thrown = false;
Klass notowned = get_not_owned_ptr(kin);
try {
moveKlassUniquePtr(notowned);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("Should have thrown 'Cannot release ownership as memory is not owned' error");
checkCount(1);
}
checkCount(0);
{
scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
checkCount(1);
string s = moveKlassUniquePtr(kini);
checkCount(0);
if (s != "KlassInheritanceInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kini))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
moveKlassUniquePtr(null);
moveKlassUniquePtr(make_null());
checkCount(0);
// overloaded parameters
if (moveOverloadTest() != 0)
throw new Exception("moveOverloadTest failed");
if (moveOverloadTest(null) != 1)
throw new Exception("moveOverloadTest failed");
if (moveOverloadTest(new Klass("over")) != 1)
throw new Exception("moveOverloadTest failed");
checkCount(0);
///// INPUT BY NON-CONST LVALUE REF /////
// unique_ptr as input
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = moveRefKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = moveRefKlassUniquePtr(kin);
checkCount(0);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kin))
throw new Exception("is_nullptr failed");
bool exception_thrown = false;
try {
moveRefKlassUniquePtr(kin);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("double usage of moveRefKlassUniquePtr should have been an error");
} // dispose should not fail, even though already deleted
checkCount(0);
{
scope Klass kin = new Klass("KlassInput");
bool exception_thrown = false;
Klass notowned = get_not_owned_ptr(kin);
try {
moveRefKlassUniquePtr(notowned);
} catch (Exception e) {
if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
throw new Exception("incorrect exception message: " ~ e.msg);
exception_thrown = true;
}
if (!exception_thrown)
throw new Exception("Should have thrown 'Cannot release ownership as memory is not owned' error");
checkCount(1);
}
checkCount(0);
{
scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
checkCount(1);
string s = moveRefKlassUniquePtr(kini);
checkCount(0);
if (s != "KlassInheritanceInput")
throw new Exception("Incorrect string: " ~ s);
if (!is_nullptr(kini))
throw new Exception("is_nullptr failed");
} // dispose should not fail, even though already deleted
checkCount(0);
moveRefKlassUniquePtr(null);
moveRefKlassUniquePtr(make_null());
checkCount(0);
// overloaded parameters
if (moveRefOverloadTest() != 0)
throw new Exception("moveRefOverloadTest failed");
if (moveRefOverloadTest(null) != 1)
throw new Exception("moveRefOverloadTest failed");
if (moveRefOverloadTest(new Klass("over")) != 1)
throw new Exception("moveRefOverloadTest failed");
checkCount(0);
///// INPUT BY CONST LVALUE REF /////
// unique_ptr as input
{
scope Klass kin = new Klass("KlassInput");
checkCount(1);
string s = useRefKlassUniquePtr(kin);
checkCount(1);
if (s != "KlassInput")
throw new Exception("Incorrect string: " ~ s);
}
checkCount(0);
{
scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
checkCount(1);
string s = useRefKlassUniquePtr(kini);
checkCount(1);
if (s != "KlassInheritanceInput")
throw new Exception("Incorrect string: " ~ s);
}
checkCount(0);
useRefKlassUniquePtr(null);
useRefKlassUniquePtr(make_null());
checkCount(0);
// overloaded parameters
if (useRefOverloadTest() != 0)
throw new Exception("useRefOverloadTest failed");
if (useRefOverloadTest(null) != 1)
throw new Exception("useRefOverloadTest failed");
{
scope Klass kin = new Klass("over");
if (useRefOverloadTest(kin) != 1)
throw new Exception("useRefOverloadTest failed");
checkCount(1);
}
checkCount(0);
// unique_ptr as output
Klass k1 = makeKlassUniquePtr("first");
if (k1.getLabel() != "first")
throw new Exception("wrong object label");
Klass k2 = makeKlassUniquePtr("second");
checkCount(2);
k1.dispose();
checkCount(1);
if (k2.getLabel() != "second")
throw new Exception("wrong object label");
k2.dispose();
checkCount(0);
if (makeNullUniquePtr() !is null)
throw new Exception("null failure");
// unique_ptr as output (rvalue ref)
k1 = makeRVRKlassUniquePtr("first");
if (k1.getLabel() != "first")
throw new Exception("wrong object label");
k1 = makeRVRKlassUniquePtr(null);
if (k1 !is null)
throw new Exception("not null");
// unique_ptr as output (lvalue ref)
k1 = makeRefKlassUniquePtr("lvalueref");
if (k1.getLabel() != "lvalueref")
throw new Exception("wrong object label");
k1 = makeRefKlassUniquePtr(null);
if (k1 !is null)
throw new Exception("not null");
}
|
