File indexing completed on 2024-07-14 04:37:05

0001 // SPDX-FileCopyrightText: Lukas Sommer <sommerluk@gmail.com>
0002 // SPDX-License-Identifier: BSD-2-Clause OR MIT
0003 
0004 // First included header is the public header of the class we are testing;
0005 // this forces the header to be self-contained.
0006 #include "helperconstants.h"
0007 
0008 #include <qglobal.h>
0009 #include <qobject.h>
0010 #include <qscopedpointer.h>
0011 #include <qstring.h>
0012 #include <qstringbuilder.h>
0013 #include <qstringliteral.h>
0014 #include <qtest.h>
0015 #include <qtestcase.h>
0016 #include <qtextdocument.h>
0017 #include <qwidget.h>
0018 
0019 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
0020 #include <qtmetamacros.h>
0021 #else
0022 #include <qobjectdefs.h>
0023 #endif
0024 
0025 static bool snippet01()
0026 {
0027     const QString myRichText = QStringLiteral(u"abc");
0028     const QString myPlainText = QStringLiteral(u"abc");
0029     QScopedPointer<QWidget> myWidget1(new QWidget());
0030     QScopedPointer<QWidget> myWidget2(new QWidget());
0031     //! [richTextMarkerExample]
0032     myWidget1->setToolTip( // Make sure rich text is treated as such:
0033         PerceptualColor::richTextMarker + myRichText);
0034 
0035     myWidget2->setToolTip( // Make sure plain text is treated as such:
0036         PerceptualColor::richTextMarker + myPlainText.toHtmlEscaped());
0037     //! [richTextMarkerExample]
0038     return Qt::mightBeRichText(myWidget1->toolTip()) //
0039         && Qt::mightBeRichText(myWidget2->toolTip());
0040 }
0041 
0042 namespace PerceptualColor
0043 {
0044 
0045 class TestHelperConstants : public QObject
0046 {
0047     Q_OBJECT
0048 
0049 public:
0050     explicit TestHelperConstants(QObject *parent = nullptr)
0051         : QObject(parent)
0052     {
0053     }
0054 
0055 private Q_SLOTS:
0056 
0057     void initTestCase()
0058     {
0059         // Called before the first test function is executed
0060     }
0061 
0062     void cleanupTestCase()
0063     {
0064         // Called after the last test function was executed
0065     }
0066 
0067     void init()
0068     {
0069         // Called before each test function is executed
0070     }
0071     void cleanup()
0072     {
0073         // Called after every test function
0074     }
0075 
0076     void testCielabGamutPrecision()
0077     {
0078         // The value is somewhat arbitrary.
0079         // Make sure that at least it is not too high.
0080         QVERIFY2(PerceptualColor::gamutPrecisionCielab < 1, //
0081                  "Verify that gamut precision value is not too high");
0082     }
0083 
0084     void testOklabPrecision()
0085     {
0086         // The value is somewhat arbitrary.
0087         // Make sure that at least it is not too high.
0088         QVERIFY2(PerceptualColor::gamutPrecisionCielab < 0.01, //
0089                  "Verify that gamut precision value is not too high");
0090     }
0091 
0092     void testSteps()
0093     {
0094         QVERIFY2(pageStepChroma > singleStepChroma, //
0095                  "Chroma page step is bigger than single step.");
0096         QVERIFY2(singleStepChroma > 0, //
0097                  "Chroma single step is positive.");
0098         QVERIFY2(pageStepHue > singleStepHue, //
0099                  "Hue page step is bigger than single step.");
0100         QVERIFY2(singleStepHue > 0, //
0101                  "Hue single step is positive.");
0102     }
0103 
0104     void testRichTextMarkerIsRecognized()
0105     {
0106         const QString myMarker = richTextMarker;
0107         QVERIFY(myMarker.count() > 0);
0108         QVERIFY(Qt::mightBeRichText(myMarker));
0109 
0110         const QString myText = QStringLiteral(u"abc");
0111         QVERIFY(!Qt::mightBeRichText(myText)); // Assertion
0112         QVERIFY(Qt::mightBeRichText(myMarker + myText));
0113     }
0114 
0115     void testRichTextMarkerSnippet()
0116     {
0117         QVERIFY(snippet01());
0118     }
0119 
0120     void testRichTextMarkerIsInvisible()
0121     {
0122         QTextDocument myDocument;
0123         const QString myRichText = QStringLiteral(u"This <em>is</em> a test.");
0124         myDocument.setHtml(myRichText);
0125         QCOMPARE(myDocument.toRawText(), // Assertion
0126                  QStringLiteral(u"This is a test."));
0127         // Now, test if the rich text marker is actually invisible:
0128         myDocument.setHtml(richTextMarker + myRichText);
0129         QCOMPARE(myDocument.toRawText(), QStringLiteral(u"This is a test."));
0130     }
0131 };
0132 
0133 } // namespace PerceptualColor
0134 
0135 QTEST_MAIN(PerceptualColor::TestHelperConstants)
0136 // The following “include” is necessary because we do not use a header file:
0137 #include "testhelperconstants.moc"