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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=4:et:sw=4:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAutoPtr.h"
#include "gtest/gtest.h"
class TestObjectBaseA {
public:
// Virtual dtor for deleting through base class pointer
virtual ~TestObjectBaseA() { }
void MemberFunction(int, int*, int&)
{
}
virtual void VirtualMemberFunction(int, int*, int&) { };
virtual void VirtualConstMemberFunction(int, int*, int&) const { };
int fooA;
};
class TestObjectBaseB {
public:
// Virtual dtor for deleting through base class pointer
virtual ~TestObjectBaseB() { }
int fooB;
};
class TestObject : public TestObjectBaseA, public TestObjectBaseB {
public:
TestObject()
{
}
// Virtual dtor for deleting through base class pointer
virtual ~TestObject()
{
destructed++;
}
virtual void VirtualMemberFunction(int, int*, int&) override
{
}
virtual void VirtualConstMemberFunction(int, int*, int&) const override
{
}
static int destructed;
static const void* last_ptr;
};
int TestObject::destructed = 0;
const void* TestObject::last_ptr = nullptr;
static void CreateTestObject(TestObject **aResult)
{
*aResult = new TestObject();
}
static void DoSomethingWithTestObject(TestObject *aIn)
{
TestObject::last_ptr = static_cast<void*>(aIn);
}
static void DoSomethingWithConstTestObject(const TestObject *aIn)
{
TestObject::last_ptr = static_cast<const void*>(aIn);
}
static void DoSomethingWithTestObjectBaseB(TestObjectBaseB *aIn)
{
TestObject::last_ptr = static_cast<void*>(aIn);
}
static void DoSomethingWithConstTestObjectBaseB(const TestObjectBaseB *aIn)
{
TestObject::last_ptr = static_cast<const void*>(aIn);
}
TEST(AutoPtr, Assignment)
{
TestObject::destructed = 0;
{
nsAutoPtr<TestObject> pobj( new TestObject() );
}
ASSERT_EQ(1, TestObject::destructed);
{
nsAutoPtr<TestObject> pobj( new TestObject() );
pobj = new TestObject();
ASSERT_EQ(2, TestObject::destructed);
}
ASSERT_EQ(3, TestObject::destructed);
}
TEST(AutoPtr, getter_Transfers)
{
TestObject::destructed = 0;
{
nsAutoPtr<TestObject> ptr;
CreateTestObject(getter_Transfers(ptr));
}
ASSERT_EQ(1, TestObject::destructed);
}
TEST(AutoPtr, Casting)
{
// This comparison is always false, as it should be. The extra parens
// suppress a -Wunreachable-code warning about printf being unreachable.
ASSERT_NE(((void*)(TestObject*)0x1000),
((void*)(TestObjectBaseB*)(TestObject*)0x1000));
{
nsAutoPtr<TestObject> p1(new TestObject());
TestObjectBaseB *p2 = p1;
ASSERT_NE(static_cast<void*>(p1),
static_cast<void*>(p2));
ASSERT_EQ(p1, p2);
ASSERT_FALSE(p1 != p2);
ASSERT_EQ(p2, p1);
ASSERT_FALSE(p2 != p1);
}
{
TestObject *p1 = new TestObject();
nsAutoPtr<TestObjectBaseB> p2(p1);
ASSERT_EQ(p1, p2);
ASSERT_FALSE(p1 != p2);
ASSERT_EQ(p2, p1);
ASSERT_FALSE(p2 != p1);
}
}
TEST(AutoPtr, Forget)
{
TestObject::destructed = 0;
{
nsAutoPtr<TestObject> pobj( new TestObject() );
nsAutoPtr<TestObject> pobj2( pobj.forget() );
ASSERT_EQ(0, TestObject::destructed);
}
ASSERT_EQ(1, TestObject::destructed);
}
TEST(AutoPtr, Construction)
{
TestObject::destructed = 0;
{
nsAutoPtr<TestObject> pobj(new TestObject());
}
ASSERT_EQ(1, TestObject::destructed);
}
TEST(AutoPtr, ImplicitConversion)
{
// This test is basically successful if it builds. We add a few assertions
// to make gtest happy.
TestObject::destructed = 0;
{
nsAutoPtr<TestObject> pobj(new TestObject());
DoSomethingWithTestObject(pobj);
DoSomethingWithConstTestObject(pobj);
}
ASSERT_EQ(1, TestObject::destructed);
{
nsAutoPtr<TestObject> pobj(new TestObject());
DoSomethingWithTestObjectBaseB(pobj);
DoSomethingWithConstTestObjectBaseB(pobj);
}
ASSERT_EQ(2, TestObject::destructed);
{
const nsAutoPtr<TestObject> pobj(new TestObject());
DoSomethingWithTestObject(pobj);
DoSomethingWithConstTestObject(pobj);
}
ASSERT_EQ(3, TestObject::destructed);
{
const nsAutoPtr<TestObject> pobj(new TestObject());
DoSomethingWithTestObjectBaseB(pobj);
DoSomethingWithConstTestObjectBaseB(pobj);
}
ASSERT_EQ(4, TestObject::destructed);
}
TEST(AutoPtr, ArrowOperator)
{
// This test is basically successful if it builds. We add a few assertions
// to make gtest happy.
TestObject::destructed = 0;
{
int test = 1;
void (TestObjectBaseA::*fPtr)( int, int*, int& ) = &TestObjectBaseA::MemberFunction;
void (TestObjectBaseA::*fVPtr)( int, int*, int& ) = &TestObjectBaseA::VirtualMemberFunction;
void (TestObjectBaseA::*fVCPtr)( int, int*, int& ) const = &TestObjectBaseA::VirtualConstMemberFunction;
nsAutoPtr<TestObjectBaseA> pobj(new TestObject());
(pobj->*fPtr)(test, &test, test);
(pobj->*fVPtr)(test, &test, test);
(pobj->*fVCPtr)(test, &test, test);
}
ASSERT_EQ(1, TestObject::destructed);
}
|
