blob: 6a146bae3a7c2bdfc63b4bd5c71536c5909d09b6 (
plain)
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
|
// Copyright (C) 2015 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
//
// Note:
//
// When this test here fails and the change leading to the failure
// intentionally changed a private class, adjust the test here and bump
// the TypeInformationVersion field in src/corelib/global/qhooks.cpp
// in the same commit as the modification to the private class.
//
// Please also notify downstream users of the information checked here
// such as Qt Creator developers, of such a change by putting them
// on Cc: on the respective change on gerrit.
//
// Don't do this at home. This is test code, not production.
#define protected public
#define private public
#include <private/qdatetime_p.h>
#include <private/qfile_p.h>
#include <private/qfileinfo_p.h>
#include <private/qobject_p.h>
#include <qobject.h>
#if defined(Q_CC_GNU) || defined(Q_CC_MSVC)
#define RUN_MEMBER_OFFSET_TEST 1
#else
#define RUN_MEMBER_OFFSET_TEST 0
#endif
#if RUN_MEMBER_OFFSET_TEST
template <typename T, typename K>
size_t pmm_to_offsetof(T K:: *pmm)
{
#ifdef Q_CC_MSVC
// Even on 64 bit MSVC uses 4 byte offsets.
quint32 ret;
#else
size_t ret;
#endif
static_assert(sizeof(ret) == sizeof(pmm));
memcpy(&ret, &pmm, sizeof(ret));
return ret;
}
#endif
class tst_toolsupport : public QObject
{
Q_OBJECT
private slots:
void offsets();
void offsets_data();
};
void tst_toolsupport::offsets()
{
QFETCH(size_t, actual);
QFETCH(int, expected32);
QFETCH(int, expected64);
size_t expect = sizeof(void *) == 4 ? expected32 : expected64;
QCOMPARE(actual, expect);
}
void tst_toolsupport::offsets_data()
{
QTest::addColumn<size_t>("actual");
QTest::addColumn<int>("expected32");
QTest::addColumn<int>("expected64");
{
QTestData &data = QTest::newRow("sizeof(QObjectData)")
<< sizeof(QObjectData);
// Please heed the comment at the top of this file when changing this line:
data << 44 << 80; // vptr + 2 ptr + (2*ptr + int) + 2 int + ptr
}
{
QTestData &data = QTest::newRow("sizeof(QObjectPrivate::ExtraData)")
<< sizeof(QObjectPrivate::ExtraData);
// Please heed the comment at the top of this file when changing this line:
data << 64 << 128; // 4 * QList + 1 * QString + ptr
}
#if RUN_MEMBER_OFFSET_TEST
{
QTestData &data = QTest::newRow("QObjectPrivate::extraData")
<< pmm_to_offsetof(&QObjectPrivate::extraData);
// Please heed the comment at the top of this file when changing this line:
data << 44 << 80; // sizeof(QObjectData)
}
{
QTestData &data = QTest::newRow("QFileInfoPrivate::fileEntry")
<< pmm_to_offsetof(&QFileInfoPrivate::fileEntry);
// Please heed the comment at the top of this file when changing this line:
data << 4 << 8;
}
{
QTestData &data = QTest::newRow("QFileSystemEntry::filePath")
<< pmm_to_offsetof(&QFileSystemEntry::m_filePath);
// Please heed the comment at the top of this file when changing this line:
data << 0 << 0;
}
#ifdef Q_OS_LINUX
{
QTestData &data = QTest::newRow("QFilePrivate::fileName")
<< pmm_to_offsetof(&QFilePrivate::fileName);
// Please heed the comment at the top of this file when changing one of these lines:
#ifdef Q_PROCESSOR_X86
// x86 32-bit has weird alignment rules. Refer to QtPrivate::AlignOf in
// qglobal.h for more details.
data << 264 << 424;
#else
data << 300 << 424;
#endif
}
#endif
{
// Please heed the comment at the top of this file when changing one of these lines:
QTest::newRow("QDateTimePrivate::m_msecs")
<< pmm_to_offsetof(&QDateTimePrivate::m_msecs) << 8 << 8;
QTest::newRow("QDateTimePrivate::m_status")
<< pmm_to_offsetof(&QDateTimePrivate::m_status) << 4 << 4;
QTest::newRow("QDateTimePrivate::m_offsetFromUtc")
<< pmm_to_offsetof(&QDateTimePrivate::m_offsetFromUtc) << 16 << 16;
#if QT_CONFIG(timezone)
QTest::newRow("QDateTimePrivate::m_timeZone")
<< pmm_to_offsetof(&QDateTimePrivate::m_timeZone) << 20 << 24;
#endif
}
#endif // RUN_MEMBER_OFFSET_TEST
}
QTEST_APPLESS_MAIN(tst_toolsupport);
#include "tst_toolsupport.moc"
|
