File indexing completed on 2025-04-27 07:35:02

 // SPDX-FileCopyrightText: Lukas Sommer <sommerluk@gmail.com>
 // SPDX-License-Identifier: BSD-2-Clause OR MIT
 
 // First included header is the public header of the class we are testing;
 // this forces the header to be self-contained.
 #include "lchdouble.h"
 
 #include <qdebug.h>
 #include <qglobal.h>
 #include <qobject.h>
 #include <qstring.h>
 #include <qtest.h>
 #include <qtestcase.h>
 #include <qvariant.h>
 
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
 #include <qtmetamacros.h>
 #else
 #include <qobjectdefs.h>
 #endif
 
 static void snippet01()
 {
     //! [Use LchDouble]
     PerceptualColor::LchDouble myValue;
     myValue.l = 50; // Lightness: 50%
     myValue.c = 25; // Chroma: 25
     myValue.h = 5; // Hue: 5°
     //! [Use LchDouble]
     Q_UNUSED(myValue)
 }
 
 namespace PerceptualColor
 {
 class TestLchDouble : public QObject
 {
     Q_OBJECT
 
 public:
     explicit TestLchDouble(QObject *parent = nullptr)
         : QObject(parent)
     {
     }
 
 private:
     static void voidMessageHandler(QtMsgType, const QMessageLogContext &, const QString &)
     {
         // dummy message handler that does not print messages
     }
 
 private Q_SLOTS:
     void initTestCase()
     {
         // Called before the first test function is executed
     }
 
     void cleanupTestCase()
     {
         // Called after the last test function was executed
     }
 
     void init()
     {
         // Called before each test function is executed
     }
 
     void cleanup()
     {
         // Called after every test function
     }
 
     void testConstructorDestructor()
     {
         // This should not crash.
         LchDouble test;
         test.l = 50;
         Q_UNUSED(test)
     }
 
     void testCopyConstructor()
     {
         // This should not crash.
         LchDouble test;
         test.l = 50;
         test.c = 25;
         test.h = 5;
         LchDouble copy(test);
         QCOMPARE(copy.l, 50);
         QCOMPARE(copy.c, 25);
         QCOMPARE(copy.h, 5);
     }
 
     void testHasSameCoordinates()
     {
         LchDouble a;
         a.l = 50;
         a.c = 20;
         a.h = 5;
         LchDouble b = a;
         QVERIFY(a.hasSameCoordinates(b));
         QVERIFY(b.hasSameCoordinates(a));
         QVERIFY(a.hasSameCoordinates(a));
         QVERIFY(b.hasSameCoordinates(b));
         b.h = 365;
         QVERIFY(!a.hasSameCoordinates(b));
         QVERIFY(!b.hasSameCoordinates(a));
         QVERIFY(a.hasSameCoordinates(a));
         QVERIFY(b.hasSameCoordinates(b));
         // When chroma is 0, hue becomes meaningless. Nevertheless, different
         // hues should be detected.
         a.c = 0;
         b.c = 0;
         QVERIFY(!a.hasSameCoordinates(b));
         QVERIFY(!b.hasSameCoordinates(a));
         QVERIFY(a.hasSameCoordinates(a));
         QVERIFY(b.hasSameCoordinates(b));
         // And when returning to the same hue, everything should be considered
         // as with same coordinates.
         b.h = 5;
         QVERIFY(a.hasSameCoordinates(b));
         QVERIFY(b.hasSameCoordinates(a));
         QVERIFY(a.hasSameCoordinates(a));
         QVERIFY(b.hasSameCoordinates(b));
     }
 
     void testQDebugSupport()
     {
         PerceptualColor::LchDouble test;
         // suppress warning for generating invalid QColor
         qInstallMessageHandler(voidMessageHandler);
         qDebug() << test;
         // do not suppress warning for generating invalid QColor anymore
         qInstallMessageHandler(nullptr);
     }
 
     void testMetaTypeDeclaration()
     {
         QVariant test;
         // The next line should produce a compiler error if the
         // type is not declared to Qt’s Meta Object System.
         test.setValue(LchDouble());
     }
 
     void testConstExpr()
     {
         // Test if a constexpr can be instantiated:
         constexpr LchDouble temp = {1, 2, 3};
 
         // The aggregate initialization order should be l, c, h.
         // Test is this has actually been the case:
         static_assert(temp.l == 1);
         static_assert(temp.c == 2);
         static_assert(temp.h == 3);
     }
 
     void testSnippet01()
     {
         snippet01();
     }
 };
 
 } // namespace PerceptualColor
 
 QTEST_MAIN(PerceptualColor::TestLchDouble)
 
 // The following “include” is necessary because we do not use a header file:
 #include "testlchdouble.moc"