summaryrefslogtreecommitdiffstats
path: root/tests/auto/corelib/tools/qsize/tst_qsize.cpp
blob: 0de0c07b9e3febe6bfb57512e6810028f3315694 (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
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
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtTest/QtTest>
#include <qsize.h>


class tst_QSize : public QObject
{
    Q_OBJECT
private slots:
    void getSetCheck();
    void scale();

    void expandedTo();
    void expandedTo_data();

    void boundedTo_data();
    void boundedTo();

    void transpose_data();
    void transpose();
};

// Testing get/set functions
void tst_QSize::getSetCheck()
{
    QSize obj1;
    // int QSize::width()
    // void QSize::setWidth(int)
    obj1.setWidth(0);
    QCOMPARE(0, obj1.width());
    obj1.setWidth(INT_MIN);
    QCOMPARE(INT_MIN, obj1.width());
    obj1.setWidth(INT_MAX);
    QCOMPARE(INT_MAX, obj1.width());

    // int QSize::height()
    // void QSize::setHeight(int)
    obj1.setHeight(0);
    QCOMPARE(0, obj1.height());
    obj1.setHeight(INT_MIN);
    QCOMPARE(INT_MIN, obj1.height());
    obj1.setHeight(INT_MAX);
    QCOMPARE(INT_MAX, obj1.height());

    QSizeF obj2;
    // qreal QSizeF::width()
    // void QSizeF::setWidth(qreal)
    obj2.setWidth(0.0);
    QCOMPARE(0.0, obj2.width());
    obj2.setWidth(1.1);
    QCOMPARE(1.1, obj2.width());

    // qreal QSizeF::height()
    // void QSizeF::setHeight(qreal)
    obj2.setHeight(0.0);
    QCOMPARE(0.0, obj2.height());
    obj2.setHeight(1.1);
    QCOMPARE(1.1, obj2.height());
}

void tst_QSize::scale()
{
    QSize t1( 10, 12 );
    t1.scale( 60, 60, Qt::IgnoreAspectRatio );
    QCOMPARE( t1, QSize(60, 60) );

    QSize t2( 10, 12 );
    t2.scale( 60, 60, Qt::KeepAspectRatio );
    QCOMPARE( t2, QSize(50, 60) );

    QSize t3( 10, 12 );
    t3.scale( 60, 60, Qt::KeepAspectRatioByExpanding );
    QCOMPARE( t3, QSize(60, 72) );

    QSize t4( 12, 10 );
    t4.scale( 60, 60, Qt::KeepAspectRatio );
    QCOMPARE( t4, QSize(60, 50) );

    QSize t5( 12, 10 );
    t5.scale( 60, 60, Qt::KeepAspectRatioByExpanding );
    QCOMPARE( t5, QSize(72, 60) );

    // test potential int overflow
    QSize t6(88473, 88473);
    t6.scale(141817, 141817, Qt::KeepAspectRatio);
    QCOMPARE(t6, QSize(141817, 141817));

    QSize t7(800, 600);
    t7.scale(400, INT_MAX, Qt::KeepAspectRatio);
    QCOMPARE(t7, QSize(400, 300));

    QSize t8(800, 600);
    t8.scale(INT_MAX, 150, Qt::KeepAspectRatio);
    QCOMPARE(t8, QSize(200, 150));

    QSize t9(600, 800);
    t9.scale(300, INT_MAX, Qt::KeepAspectRatio);
    QCOMPARE(t9, QSize(300, 400));

    QSize t10(600, 800);
    t10.scale(INT_MAX, 200, Qt::KeepAspectRatio);
    QCOMPARE(t10, QSize(150, 200));

    QSize t11(0, 0);
    t11.scale(240, 200, Qt::IgnoreAspectRatio);
    QCOMPARE(t11, QSize(240, 200));

    QSize t12(0, 0);
    t12.scale(240, 200, Qt::KeepAspectRatio);
    QCOMPARE(t12, QSize(240, 200));

    QSize t13(0, 0);
    t13.scale(240, 200, Qt::KeepAspectRatioByExpanding);
    QCOMPARE(t13, QSize(240, 200));
}


void tst_QSize::expandedTo_data()
{
    QTest::addColumn<QSize>("input1");
    QTest::addColumn<QSize>("input2");
    QTest::addColumn<QSize>("expected");

    QTest::newRow("data0") << QSize(10,12) << QSize(6,4) << QSize(10,12);
    QTest::newRow("data1") << QSize(0,0)   << QSize(6,4) << QSize(6,4);
    // This should pick the highest of w,h components independently of each other,
    // thus the results don't have to be equal to neither input1 nor input2.
    QTest::newRow("data3") << QSize(6,4)   << QSize(4,6) << QSize(6,6);
}

void tst_QSize::expandedTo()
{
    QFETCH( QSize, input1);
    QFETCH( QSize, input2);
    QFETCH( QSize, expected);

    QCOMPARE( input1.expandedTo(input2), expected);
}

void tst_QSize::boundedTo_data()
{
    QTest::addColumn<QSize>("input1");
    QTest::addColumn<QSize>("input2");
    QTest::addColumn<QSize>("expected");

    QTest::newRow("data0") << QSize(10,12) << QSize(6,4) << QSize(6,4);
    QTest::newRow("data1") << QSize(0,0) << QSize(6,4) << QSize(0,0);
    // This should pick the lowest of w,h components independently of each other,
    // thus the results don't have to be equal to neither input1 nor input2.
    QTest::newRow("data3") << QSize(6,4) << QSize(4,6) << QSize(4,4);
}

void tst_QSize::boundedTo()
{
    QFETCH( QSize, input1);
    QFETCH( QSize, input2);
    QFETCH( QSize, expected);

    QCOMPARE( input1.boundedTo(input2), expected);
}

void tst_QSize::transpose_data()
{
    QTest::addColumn<QSize>("input1");
    QTest::addColumn<QSize>("expected");

    QTest::newRow("data0") << QSize(10,12) << QSize(12,10);
    QTest::newRow("data1") << QSize(0,0) << QSize(0,0);
    QTest::newRow("data3") << QSize(6,4) << QSize(4,6);
}

void tst_QSize::transpose()
{
    QFETCH( QSize, input1);
    QFETCH( QSize, expected);

    // transpose() works only inplace and does not return anything, so we must do the operation itself before the compare.
    input1.transpose();
    QCOMPARE(input1 , expected);
}

QTEST_APPLESS_MAIN(tst_QSize)
#include "tst_qsize.moc"