1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2013 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@woboq.com> |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the test suite of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
21 | ** included in the packaging of this file. Please review the following |
22 | ** information to ensure the GNU General Public License requirements will |
23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
24 | ** |
25 | ** $QT_END_LICENSE$ |
26 | ** |
27 | ****************************************************************************/ |
28 | |
29 | #include <QtTest/QtTest> |
30 | |
31 | #include "qobject.h" |
32 | |
33 | class tst_QSignalBlocker : public QObject |
34 | { |
35 | Q_OBJECT |
36 | private slots: |
37 | void signalBlocking(); |
38 | void moveAssignment(); |
39 | }; |
40 | |
41 | void tst_QSignalBlocker::signalBlocking() |
42 | { |
43 | QObject o; |
44 | |
45 | QVERIFY(!o.signalsBlocked()); |
46 | |
47 | { |
48 | QSignalBlocker blocker(&o); |
49 | QVERIFY(o.signalsBlocked()); |
50 | |
51 | o.blockSignals(b: false); |
52 | QVERIFY(!o.signalsBlocked()); |
53 | |
54 | o.blockSignals(b: true); |
55 | QVERIFY(o.signalsBlocked()); |
56 | |
57 | blocker.unblock(); |
58 | QVERIFY(!o.signalsBlocked()); |
59 | |
60 | blocker.reblock(); |
61 | QVERIFY(o.signalsBlocked()); |
62 | } |
63 | |
64 | QVERIFY(!o.signalsBlocked()); |
65 | } |
66 | |
67 | void tst_QSignalBlocker::moveAssignment() |
68 | { |
69 | QObject o1, o2; |
70 | |
71 | // move-assignment: both block other objects |
72 | { |
73 | QSignalBlocker b(&o1); |
74 | QVERIFY(o1.signalsBlocked()); |
75 | |
76 | QVERIFY(!o2.signalsBlocked()); |
77 | b = QSignalBlocker(&o2); |
78 | QVERIFY(!o1.signalsBlocked()); |
79 | QVERIFY(o2.signalsBlocked()); |
80 | } |
81 | |
82 | QVERIFY(!o1.signalsBlocked()); |
83 | QVERIFY(!o2.signalsBlocked()); |
84 | |
85 | // move-assignment: from inert other |
86 | { |
87 | QSignalBlocker b(&o1); |
88 | QVERIFY(o1.signalsBlocked()); |
89 | b = QSignalBlocker(0); |
90 | } |
91 | |
92 | QVERIFY(!o1.signalsBlocked()); |
93 | QVERIFY(!o2.signalsBlocked()); |
94 | |
95 | // move-assignment: to inert *this |
96 | { |
97 | QSignalBlocker b(0); |
98 | QVERIFY(!o1.signalsBlocked()); |
99 | { |
100 | QSignalBlocker inner(&o1); |
101 | QVERIFY(o1.signalsBlocked()); |
102 | b = std::move(inner); |
103 | } |
104 | QVERIFY(o1.signalsBlocked()); |
105 | } |
106 | |
107 | QVERIFY(!o1.signalsBlocked()); |
108 | QVERIFY(!o2.signalsBlocked()); |
109 | |
110 | // move-assignment: both block the same object, neither is unblocked |
111 | { |
112 | QSignalBlocker b(&o1); |
113 | QVERIFY(o1.signalsBlocked()); |
114 | { |
115 | b.unblock(); // make sure inner.m_blocked = false |
116 | QVERIFY(!o1.signalsBlocked()); |
117 | QSignalBlocker inner(&o1); |
118 | QVERIFY(o1.signalsBlocked()); |
119 | b.reblock(); |
120 | QVERIFY(o1.signalsBlocked()); |
121 | b = std::move(inner); |
122 | } |
123 | QVERIFY(o1.signalsBlocked()); |
124 | } |
125 | |
126 | QVERIFY(!o1.signalsBlocked()); |
127 | QVERIFY(!o2.signalsBlocked()); |
128 | |
129 | // move-assignment: both block the same object, but *this is unblocked |
130 | { |
131 | QSignalBlocker b(&o1); |
132 | QVERIFY(o1.signalsBlocked()); |
133 | b.unblock(); |
134 | QVERIFY(!o1.signalsBlocked()); |
135 | b = QSignalBlocker(&o1); |
136 | QVERIFY(o1.signalsBlocked()); |
137 | } |
138 | |
139 | QVERIFY(!o1.signalsBlocked()); |
140 | QVERIFY(!o2.signalsBlocked()); |
141 | |
142 | // move-assignment: both block the same object, but other is unblocked |
143 | { |
144 | QSignalBlocker b(&o1); |
145 | { |
146 | QVERIFY(o1.signalsBlocked()); |
147 | QSignalBlocker inner(&o1); |
148 | QVERIFY(o1.signalsBlocked()); |
149 | inner.unblock(); |
150 | QVERIFY(o1.signalsBlocked()); |
151 | b = std::move(inner); |
152 | QVERIFY(!o1.signalsBlocked()); |
153 | } |
154 | QVERIFY(!o1.signalsBlocked()); |
155 | } |
156 | |
157 | QVERIFY(!o1.signalsBlocked()); |
158 | QVERIFY(!o2.signalsBlocked()); |
159 | } |
160 | |
161 | QTEST_MAIN(tst_QSignalBlocker) |
162 | #include "tst_qsignalblocker.moc" |
163 | |