tests/auto/qsize/tst_qsize.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the test suite of the Qt Toolkit.
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
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    20 ** packaging of this file.  Please review the following information to
       
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    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
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    33 **
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include <QtTest/QtTest>
       
    44 #include <qsize.h>
       
    45 
       
    46 Q_DECLARE_METATYPE(QSize)
       
    47 
       
    48 //TESTED_CLASS=
       
    49 //TESTED_FILES=
       
    50 
       
    51 class tst_QSize : public QObject
       
    52 {
       
    53     Q_OBJECT
       
    54 
       
    55 public:
       
    56     tst_QSize();
       
    57     virtual ~tst_QSize();
       
    58 
       
    59 
       
    60 public slots:
       
    61     void init();
       
    62     void cleanup();
       
    63 private slots:
       
    64     void getSetCheck();
       
    65     void scale();
       
    66 
       
    67     void expandedTo();
       
    68     void expandedTo_data();
       
    69 
       
    70     void boundedTo_data();
       
    71     void boundedTo();
       
    72 
       
    73     void transpose_data();
       
    74     void transpose();
       
    75 };
       
    76 
       
    77 // Testing get/set functions
       
    78 void tst_QSize::getSetCheck()
       
    79 {
       
    80     QSize obj1;
       
    81     // int QSize::width()
       
    82     // void QSize::setWidth(int)
       
    83     obj1.setWidth(0);
       
    84     QCOMPARE(0, obj1.width());
       
    85     obj1.setWidth(INT_MIN);
       
    86     QCOMPARE(INT_MIN, obj1.width());
       
    87     obj1.setWidth(INT_MAX);
       
    88     QCOMPARE(INT_MAX, obj1.width());
       
    89 
       
    90     // int QSize::height()
       
    91     // void QSize::setHeight(int)
       
    92     obj1.setHeight(0);
       
    93     QCOMPARE(0, obj1.height());
       
    94     obj1.setHeight(INT_MIN);
       
    95     QCOMPARE(INT_MIN, obj1.height());
       
    96     obj1.setHeight(INT_MAX);
       
    97     QCOMPARE(INT_MAX, obj1.height());
       
    98 
       
    99     QSizeF obj2;
       
   100     // qreal QSizeF::width()
       
   101     // void QSizeF::setWidth(qreal)
       
   102     obj2.setWidth(0.0);
       
   103     QCOMPARE(0.0, obj2.width());
       
   104     obj2.setWidth(1.1);
       
   105     QCOMPARE(1.1, obj2.width());
       
   106 
       
   107     // qreal QSizeF::height()
       
   108     // void QSizeF::setHeight(qreal)
       
   109     obj2.setHeight(0.0);
       
   110     QCOMPARE(0.0, obj2.height());
       
   111     obj2.setHeight(1.1);
       
   112     QCOMPARE(1.1, obj2.height());
       
   113 }
       
   114 
       
   115 
       
   116 tst_QSize::tst_QSize()
       
   117 {
       
   118 }
       
   119 
       
   120 tst_QSize::~tst_QSize()
       
   121 {
       
   122 }
       
   123 
       
   124 void tst_QSize::init()
       
   125 {
       
   126 }
       
   127 
       
   128 void tst_QSize::cleanup()
       
   129 {
       
   130 }
       
   131 
       
   132 void tst_QSize::scale()
       
   133 {
       
   134     QSize t1( 10, 12 );
       
   135     t1.scale( 60, 60, Qt::IgnoreAspectRatio );
       
   136     QCOMPARE( t1, QSize(60, 60) );
       
   137 
       
   138     QSize t2( 10, 12 );
       
   139     t2.scale( 60, 60, Qt::KeepAspectRatio );
       
   140     QCOMPARE( t2, QSize(50, 60) );
       
   141 
       
   142     QSize t3( 10, 12 );
       
   143     t3.scale( 60, 60, Qt::KeepAspectRatioByExpanding );
       
   144     QCOMPARE( t3, QSize(60, 72) );
       
   145 
       
   146     QSize t4( 12, 10 );
       
   147     t4.scale( 60, 60, Qt::KeepAspectRatio );
       
   148     QCOMPARE( t4, QSize(60, 50) );
       
   149 
       
   150     QSize t5( 12, 10 );
       
   151     t5.scale( 60, 60, Qt::KeepAspectRatioByExpanding );
       
   152     QCOMPARE( t5, QSize(72, 60) );
       
   153 
       
   154     // test potential int overflow
       
   155     QSize t6(88473, 88473);
       
   156     t6.scale(141817, 141817, Qt::KeepAspectRatio);
       
   157     QCOMPARE(t6, QSize(141817, 141817));
       
   158 
       
   159     QSize t7(800, 600);
       
   160     t7.scale(400, INT_MAX, Qt::KeepAspectRatio);
       
   161     QCOMPARE(t7, QSize(400, 300));
       
   162 
       
   163     QSize t8(800, 600);
       
   164     t8.scale(INT_MAX, 150, Qt::KeepAspectRatio);
       
   165     QCOMPARE(t8, QSize(200, 150));
       
   166 
       
   167     QSize t9(600, 800);
       
   168     t9.scale(300, INT_MAX, Qt::KeepAspectRatio);
       
   169     QCOMPARE(t9, QSize(300, 400));
       
   170 
       
   171     QSize t10(600, 800);
       
   172     t10.scale(INT_MAX, 200, Qt::KeepAspectRatio);
       
   173     QCOMPARE(t10, QSize(150, 200));
       
   174 
       
   175     QSize t11(0, 0);
       
   176     t11.scale(240, 200, Qt::IgnoreAspectRatio);
       
   177     QCOMPARE(t11, QSize(240, 200));
       
   178 
       
   179     QSize t12(0, 0);
       
   180     t12.scale(240, 200, Qt::KeepAspectRatio);
       
   181     QCOMPARE(t12, QSize(240, 200));
       
   182 
       
   183     QSize t13(0, 0);
       
   184     t13.scale(240, 200, Qt::KeepAspectRatioByExpanding);
       
   185     QCOMPARE(t13, QSize(240, 200));
       
   186 }
       
   187 
       
   188 
       
   189 void tst_QSize::expandedTo_data()
       
   190 {
       
   191     QTest::addColumn<QSize>("input1");
       
   192     QTest::addColumn<QSize>("input2");
       
   193     QTest::addColumn<QSize>("expected");
       
   194 
       
   195     QTest::newRow("data0") << QSize(10,12) << QSize(6,4)	<< QSize(10,12);
       
   196     QTest::newRow("data1") << QSize(0,0)   << QSize(6,4)	<< QSize(6,4);
       
   197     // This should pick the highest of w,h components independently of each other,
       
   198     // thus the result dont have to be equal to neither input1 nor input2.
       
   199     QTest::newRow("data3") << QSize(6,4)   << QSize(4,6)	<< QSize(6,6);
       
   200 }
       
   201 
       
   202 void tst_QSize::expandedTo()
       
   203 {
       
   204     QFETCH( QSize, input1);
       
   205     QFETCH( QSize, input2);
       
   206     QFETCH( QSize, expected);
       
   207 
       
   208     QCOMPARE( input1.expandedTo(input2), expected);
       
   209 }
       
   210 
       
   211 void tst_QSize::boundedTo_data()
       
   212 {
       
   213     QTest::addColumn<QSize>("input1");
       
   214     QTest::addColumn<QSize>("input2");
       
   215     QTest::addColumn<QSize>("expected");
       
   216 
       
   217     QTest::newRow("data0") << QSize(10,12) << QSize(6,4)	<< QSize(6,4);
       
   218     QTest::newRow("data1") << QSize(0,0)	<< QSize(6,4)	<< QSize(0,0);
       
   219     // This should pick the lowest of w,h components independently of each other,
       
   220     // thus the result dont have to be equal to neither input1 nor input2.
       
   221     QTest::newRow("data3") << QSize(6,4)	<< QSize(4,6)	<< QSize(4,4);
       
   222 }
       
   223 
       
   224 void tst_QSize::boundedTo()
       
   225 {
       
   226     QFETCH( QSize, input1);
       
   227     QFETCH( QSize, input2);
       
   228     QFETCH( QSize, expected);
       
   229 
       
   230     QCOMPARE( input1.boundedTo(input2), expected);
       
   231 }
       
   232 
       
   233 void tst_QSize::transpose_data()
       
   234 {
       
   235     QTest::addColumn<QSize>("input1");
       
   236     QTest::addColumn<QSize>("expected");
       
   237 
       
   238     QTest::newRow("data0") << QSize(10,12) << QSize(12,10);
       
   239     QTest::newRow("data1") << QSize(0,0)	<< QSize(0,0);
       
   240     QTest::newRow("data3") << QSize(6,4)	<< QSize(4,6);
       
   241 }
       
   242 
       
   243 void tst_QSize::transpose()
       
   244 {
       
   245     QFETCH( QSize, input1);
       
   246     QFETCH( QSize, expected);
       
   247 
       
   248     // transpose() works only inplace and does not return anything, so we must do the operation itself before the compare.
       
   249     input1.transpose();
       
   250     QCOMPARE(input1 , expected);
       
   251 }
       
   252 
       
   253 QTEST_APPLESS_MAIN(tst_QSize)
       
   254 #include "tst_qsize.moc"