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28
29#include <QtTest/QtTest>
30#include <qsize.h>
31
32Q_DECLARE_METATYPE(QMarginsF)
33
34class tst_QSizeF : public QObject
35{
36 Q_OBJECT
37private slots:
38 void isNull_data();
39 void isNull();
40
41 void scale();
42
43 void expandedTo();
44 void expandedTo_data();
45
46 void boundedTo_data();
47 void boundedTo();
48
49 void grownOrShrunkBy_data();
50 void grownOrShrunkBy();
51
52 void transpose_data();
53 void transpose();
54};
55
56void tst_QSizeF::isNull_data()
57{
58 QTest::addColumn<qreal>(name: "width");
59 QTest::addColumn<qreal>(name: "height");
60 QTest::addColumn<bool>(name: "isNull");
61
62 QTest::newRow(dataTag: "0, 0") << qreal(0.0) << qreal(0.0) << true;
63 QTest::newRow(dataTag: "-0, -0") << qreal(-0.0) << qreal(-0.0) << true;
64 QTest::newRow(dataTag: "0, -0") << qreal(0) << qreal(-0.0) << true;
65 QTest::newRow(dataTag: "-0, 0") << qreal(-0.0) << qreal(0) << true;
66 QTest::newRow(dataTag: "-0.1, 0") << qreal(-0.1) << qreal(0) << false;
67 QTest::newRow(dataTag: "0, -0.1") << qreal(0) << qreal(-0.1) << false;
68 QTest::newRow(dataTag: "0.1, 0") << qreal(0.1) << qreal(0) << false;
69 QTest::newRow(dataTag: "0, 0.1") << qreal(0) << qreal(0.1) << false;
70}
71
72void tst_QSizeF::isNull()
73{
74 QFETCH(qreal, width);
75 QFETCH(qreal, height);
76 QFETCH(bool, isNull);
77
78 QSizeF size(width, height);
79 QCOMPARE(size.width(), width);
80 QCOMPARE(size.height(), height);
81 QCOMPARE(size.isNull(), isNull);
82}
83
84void tst_QSizeF::scale() {
85 QSizeF t1(10.4, 12.8);
86 t1.scale(w: 60.6, h: 60.6, mode: Qt::IgnoreAspectRatio);
87 QCOMPARE(t1, QSizeF(60.6, 60.6));
88
89 QSizeF t2(10.4, 12.8);
90 t2.scale(w: 43.52, h: 43.52, mode: Qt::KeepAspectRatio);
91 QCOMPARE(t2, QSizeF(35.36, 43.52));
92
93 QSizeF t3(9.6, 12.48);
94 t3.scale(w: 31.68, h: 31.68, mode: Qt::KeepAspectRatioByExpanding);
95 QCOMPARE(t3, QSizeF(31.68, 41.184));
96
97 QSizeF t4(12.8, 10.4);
98 t4.scale(w: 43.52, h: 43.52, mode: Qt::KeepAspectRatio);
99 QCOMPARE(t4, QSizeF(43.52, 35.36));
100
101 QSizeF t5(12.48, 9.6);
102 t5.scale(w: 31.68, h: 31.68, mode: Qt::KeepAspectRatioByExpanding);
103 QCOMPARE(t5, QSizeF(41.184, 31.68));
104
105 QSizeF t6(0.0, 0.0);
106 t6.scale(w: 200, h: 240, mode: Qt::IgnoreAspectRatio);
107 QCOMPARE(t6, QSizeF(200, 240));
108
109 QSizeF t7(0.0, 0.0);
110 t7.scale(w: 200, h: 240, mode: Qt::KeepAspectRatio);
111 QCOMPARE(t7, QSizeF(200, 240));
112
113 QSizeF t8(0.0, 0.0);
114 t8.scale(w: 200, h: 240, mode: Qt::KeepAspectRatioByExpanding);
115 QCOMPARE(t8, QSizeF(200, 240));
116}
117
118
119void tst_QSizeF::expandedTo_data() {
120 QTest::addColumn<QSizeF>(name: "input1");
121 QTest::addColumn<QSizeF>(name: "input2");
122 QTest::addColumn<QSizeF>(name: "expected");
123
124 QTest::newRow(dataTag: "data0") << QSizeF(10.4, 12.8) << QSizeF(6.6, 4.4) << QSizeF(10.4, 12.8);
125 QTest::newRow(dataTag: "data1") << QSizeF(0.0, 0.0) << QSizeF(6.6, 4.4) << QSizeF(6.6, 4.4);
126 // This should pick the highest of w,h components independently of each other,
127 // thus the result don't have to be equal to neither input1 nor input2.
128 QTest::newRow(dataTag: "data3") << QSizeF(6.6, 4.4) << QSizeF(4.4, 6.6) << QSizeF(6.6, 6.6);
129}
130
131void tst_QSizeF::expandedTo() {
132 QFETCH( QSizeF, input1);
133 QFETCH( QSizeF, input2);
134 QFETCH( QSizeF, expected);
135
136 QCOMPARE( input1.expandedTo(input2), expected);
137}
138
139void tst_QSizeF::boundedTo_data() {
140 QTest::addColumn<QSizeF>(name: "input1");
141 QTest::addColumn<QSizeF>(name: "input2");
142 QTest::addColumn<QSizeF>(name: "expected");
143
144 QTest::newRow(dataTag: "data0") << QSizeF(10.4, 12.8) << QSizeF(6.6, 4.4) << QSizeF(6.6, 4.4);
145 QTest::newRow(dataTag: "data1") << QSizeF(0.0, 0.0) << QSizeF(6.6, 4.4) << QSizeF(0.0, 0.0);
146 // This should pick the lowest of w,h components independently of each other,
147 // thus the result don't have to be equal to neither input1 nor input2.
148 QTest::newRow(dataTag: "data3") << QSizeF(6.6, 4.4) << QSizeF(4.4, 6.6) << QSizeF(4.4, 4.4);
149}
150
151void tst_QSizeF::boundedTo() {
152 QFETCH( QSizeF, input1);
153 QFETCH( QSizeF, input2);
154 QFETCH( QSizeF, expected);
155
156 QCOMPARE( input1.boundedTo(input2), expected);
157}
158
159void tst_QSizeF::grownOrShrunkBy_data()
160{
161 QTest::addColumn<QSizeF>(name: "input");
162 QTest::addColumn<QMarginsF>(name: "margins");
163 QTest::addColumn<QSizeF>(name: "grown");
164 QTest::addColumn<QSizeF>(name: "shrunk");
165
166 auto row = [](QSizeF i, QMarginsF m, QSizeF g, QSizeF s) {
167 QTest::addRow(format: "{%g,%g}/{%g,%g,%g,%g}", i.width(), i.height(),
168 m.left(), m.top(), m.right(), m.bottom())
169 << i << m << g << s;
170 };
171
172 const QSizeF zero = {0, 0};
173 const QSizeF some = {100, 200};
174 const QMarginsF zeroMargins = {};
175 const QMarginsF negative = {-1, -2, -3, -4};
176 const QMarginsF positive = { 1, 2, 3, 4};
177
178 row(zero, zeroMargins, zero, zero);
179 row(zero, negative, {-4, -6}, { 4, 6});
180 row(zero, positive, { 4, 6}, {-4, -6});
181 row(some, zeroMargins, some, some);
182 row(some, negative, { 96, 194}, {104, 206});
183 row(some, positive, {104, 206}, { 96, 194});
184}
185
186void tst_QSizeF::grownOrShrunkBy()
187{
188 QFETCH(const QSizeF, input);
189 QFETCH(const QMarginsF, margins);
190 QFETCH(const QSizeF, grown);
191 QFETCH(const QSizeF, shrunk);
192
193 QCOMPARE(input.grownBy(margins), grown);
194 QCOMPARE(input.shrunkBy(margins), shrunk);
195 QCOMPARE(grown.shrunkBy(margins), input);
196 QCOMPARE(shrunk.grownBy(margins), input);
197}
198
199void tst_QSizeF::transpose_data() {
200 QTest::addColumn<QSizeF>(name: "input1");
201 QTest::addColumn<QSizeF>(name: "expected");
202
203 QTest::newRow(dataTag: "data0") << QSizeF(10.4, 12.8) << QSizeF(12.8, 10.4);
204 QTest::newRow(dataTag: "data1") << QSizeF(0.0, 0.0) << QSizeF(0.0, 0.0);
205 QTest::newRow(dataTag: "data3") << QSizeF(6.6, 4.4) << QSizeF(4.4, 6.6);
206}
207
208void tst_QSizeF::transpose() {
209 QFETCH( QSizeF, input1);
210 QFETCH( QSizeF, expected);
211
212 // transpose() works only inplace and does not return anything, so we must do the operation itself before the compare.
213 input1.transpose();
214 QCOMPARE(input1 , expected);
215}
216
217QTEST_APPLESS_MAIN(tst_QSizeF)
218#include "tst_qsizef.moc"
219

source code of qtbase/tests/auto/corelib/tools/qsizef/tst_qsizef.cpp