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2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the test suite of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
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17 | ** GNU General Public License Usage |
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25 | ** $QT_END_LICENSE$ |
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27 | ****************************************************************************/ |
28 | |
29 | #include <qtest.h> |
30 | #include <qsignalspy.h> |
31 | #include <private/qqmlglobal_p.h> |
32 | |
33 | class tst_qqmlcpputils : public QObject |
34 | { |
35 | Q_OBJECT |
36 | public: |
37 | tst_qqmlcpputils() {} |
38 | |
39 | private slots: |
40 | void fastConnect(); |
41 | void fastCast(); |
42 | }; |
43 | |
44 | class MyObject : public QObject { |
45 | Q_OBJECT |
46 | public: |
47 | MyObject() : slotCount(0) {} |
48 | friend class tst_qqmlcpputils; |
49 | |
50 | int slotCount; |
51 | |
52 | signals: |
53 | void signal1(); |
54 | void signal2(); |
55 | |
56 | public slots: |
57 | void slot1() { slotCount++; } |
58 | }; |
59 | |
60 | void tst_qqmlcpputils::fastConnect() |
61 | { |
62 | { |
63 | MyObject *obj = new MyObject; |
64 | qmlobject_connect(obj, MyObject, SIGNAL(signal1()), obj, MyObject, SLOT(slot1())); |
65 | |
66 | obj->signal1(); |
67 | QCOMPARE(obj->slotCount, 1); |
68 | |
69 | delete obj; |
70 | } |
71 | |
72 | { |
73 | MyObject obj; |
74 | qmlobject_connect(&obj, MyObject, SIGNAL(signal1()), &obj, MyObject, SLOT(slot1())); |
75 | |
76 | obj.signal1(); |
77 | QCOMPARE(obj.slotCount, 1); |
78 | } |
79 | |
80 | { |
81 | MyObject *obj = new MyObject; |
82 | QSignalSpy spy(obj, SIGNAL(signal2())); |
83 | qmlobject_connect(obj, MyObject, SIGNAL(signal1()), obj, MyObject, SIGNAL(signal2())); |
84 | |
85 | obj->signal1(); |
86 | QCOMPARE(spy.count(), 1); |
87 | |
88 | delete obj; |
89 | } |
90 | } |
91 | |
92 | void tst_qqmlcpputils::fastCast() |
93 | { |
94 | { |
95 | QObject *myObj = new MyObject; |
96 | MyObject *obj = qmlobject_cast<MyObject*>(object: myObj); |
97 | QVERIFY(obj); |
98 | QCOMPARE(obj->metaObject(), myObj->metaObject()); |
99 | obj->slot1(); |
100 | QCOMPARE(obj->slotCount, 1); |
101 | delete myObj; |
102 | } |
103 | |
104 | { |
105 | QObject *nullObj = nullptr; |
106 | QObject *obj = qmlobject_cast<QObject *>(object: nullObj); |
107 | QCOMPARE(obj, nullObj); // shouldn't crash/assert. |
108 | } |
109 | } |
110 | |
111 | QTEST_MAIN(tst_qqmlcpputils) |
112 | |
113 | #include "tst_qqmlcpputils.moc" |
114 | |