File indexing completed on 2024-05-12 04:44:27
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 "polarpointf.h" 0007 0008 #include <cmath> 0009 #include <qdebug.h> 0010 #include <qglobal.h> 0011 #include <qobject.h> 0012 #include <qpoint.h> 0013 #include <qtest.h> 0014 #include <qtestcase.h> 0015 #include <qvariant.h> 0016 0017 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) 0018 #include <qstring.h> 0019 #include <qtmetamacros.h> 0020 #else 0021 #include <qobjectdefs.h> 0022 #include <qstring.h> 0023 #endif 0024 0025 namespace PerceptualColor 0026 { 0027 class TestPolarPointF : public QObject 0028 { 0029 Q_OBJECT 0030 0031 public: 0032 explicit TestPolarPointF(QObject *parent = nullptr) 0033 : QObject(parent) 0034 { 0035 } 0036 0037 private: 0038 static void voidMessageHandler(QtMsgType, const QMessageLogContext &, const QString &) 0039 { 0040 // dummy message handler that does not print messages 0041 } 0042 0043 private Q_SLOTS: 0044 void initTestCase() 0045 { 0046 // Called before the first test function is executed 0047 } 0048 void cleanupTestCase() 0049 { 0050 // Called after the last test function was executed 0051 } 0052 0053 void init() 0054 { 0055 // Called before each test function is executed 0056 } 0057 void cleanup() 0058 { 0059 // Called after every test function 0060 } 0061 0062 void testConstructorRadiusAngle() 0063 { 0064 PerceptualColor::PolarPointF temp01; 0065 0066 // Default value is 0, 0° 0067 temp01 = PerceptualColor::PolarPointF(); 0068 QCOMPARE(temp01.radius(), 0); 0069 QCOMPARE(temp01.angleDegree(), 0); 0070 0071 // Same for initialization with 0, 0 0072 temp01 = PerceptualColor::PolarPointF(0, 0); 0073 QCOMPARE(temp01.radius(), 0); 0074 QCOMPARE(temp01.angleDegree(), 0); 0075 0076 // Same for initialization with -0, 0 0077 temp01 = PerceptualColor::PolarPointF(-0, 0); 0078 QCOMPARE(temp01.radius(), 0); 0079 QCOMPARE(temp01.angleDegree(), 0); 0080 0081 // Yet normalized values are taken as-is 0082 temp01 = PerceptualColor::PolarPointF(2, 3); 0083 QCOMPARE(temp01.radius(), 2); 0084 QCOMPARE(temp01.angleDegree(), 3); 0085 0086 // Negative radii are normalized (180° shift for angle) 0087 temp01 = PerceptualColor::PolarPointF(-2, 183); 0088 QCOMPARE(temp01.radius(), 2); 0089 QCOMPARE(temp01.angleDegree(), 3); 0090 0091 // Out-of-range angle is normalized 0092 temp01 = PerceptualColor::PolarPointF(2, 363); 0093 QCOMPARE(temp01.radius(), 2); 0094 QCOMPARE(temp01.angleDegree(), 3); 0095 0096 temp01 = PerceptualColor::PolarPointF(2, -357); 0097 QCOMPARE(temp01.radius(), 2); 0098 QCOMPARE(temp01.angleDegree(), 3); 0099 0100 // Also when both radius and angle are 0101 // out-of-range, normalization works 0102 temp01 = PerceptualColor::PolarPointF(-2, -357); 0103 QCOMPARE(temp01.radius(), 2); 0104 QCOMPARE(temp01.angleDegree(), 183); 0105 temp01 = PerceptualColor::PolarPointF(-2, -717); 0106 QCOMPARE(temp01.radius(), 2); 0107 QCOMPARE(temp01.angleDegree(), 183); 0108 temp01 = PerceptualColor::PolarPointF(-2, 363); 0109 QCOMPARE(temp01.radius(), 2); 0110 QCOMPARE(temp01.angleDegree(), 183); 0111 temp01 = PerceptualColor::PolarPointF(-2, 723); 0112 QCOMPARE(temp01.radius(), 2); 0113 QCOMPARE(temp01.angleDegree(), 183); 0114 0115 // When radius is 0, angle (while meaningless) is 0116 // preserved (but normalized) 0117 temp01 = PerceptualColor::PolarPointF(0, 150); 0118 QCOMPARE(temp01.radius(), 0); 0119 QCOMPARE(temp01.angleDegree(), 150); 0120 temp01 = PerceptualColor::PolarPointF(0, 370); 0121 QCOMPARE(temp01.radius(), 0); 0122 QCOMPARE(temp01.angleDegree(), 10); 0123 0124 // When radius is -0, angle (while meaningless) is 0125 // preserved (but normalized) 0126 temp01 = PerceptualColor::PolarPointF(-0, 150); 0127 QCOMPARE(temp01.radius(), 0); 0128 QCOMPARE(temp01.angleDegree(), 150); 0129 temp01 = PerceptualColor::PolarPointF(-0, 370); 0130 QCOMPARE(temp01.radius(), 0); 0131 QCOMPARE(temp01.angleDegree(), 10); 0132 0133 // Edge case: 360° 0134 temp01 = PerceptualColor::PolarPointF(-0, 360); 0135 QCOMPARE(temp01.radius(), 0); 0136 QCOMPARE(temp01.angleDegree(), 0); 0137 temp01 = PerceptualColor::PolarPointF(0, 360); 0138 QCOMPARE(temp01.radius(), 0); 0139 QCOMPARE(temp01.angleDegree(), 0); 0140 temp01 = PerceptualColor::PolarPointF(5, 360); 0141 QCOMPARE(temp01.radius(), 5); 0142 QCOMPARE(temp01.angleDegree(), 0); 0143 } 0144 0145 void testCopyAndAsignmentConstructor() 0146 { 0147 PerceptualColor::PolarPointF temp01; 0148 PerceptualColor::PolarPointF temp02; 0149 PerceptualColor::PolarPointF temp03; 0150 0151 temp01 = PerceptualColor::PolarPointF(); 0152 temp02 = temp01; 0153 temp03 = PerceptualColor::PolarPointF(temp01); 0154 QCOMPARE(temp01.radius(), 0); 0155 QCOMPARE(temp02.radius(), 0); 0156 QCOMPARE(temp03.radius(), 0); 0157 QCOMPARE(temp01.angleDegree(), 0); 0158 QCOMPARE(temp02.angleDegree(), 0); 0159 QCOMPARE(temp03.angleDegree(), 0); 0160 0161 temp01 = PerceptualColor::PolarPointF(0, 0); 0162 temp02 = temp01; 0163 temp03 = PerceptualColor::PolarPointF(temp01); 0164 QCOMPARE(temp01.radius(), 0); 0165 QCOMPARE(temp02.radius(), 0); 0166 QCOMPARE(temp03.radius(), 0); 0167 QCOMPARE(temp01.angleDegree(), 0); 0168 QCOMPARE(temp02.angleDegree(), 0); 0169 QCOMPARE(temp03.angleDegree(), 0); 0170 0171 temp01 = PerceptualColor::PolarPointF(-2, 723); 0172 temp02 = temp01; 0173 temp03 = PerceptualColor::PolarPointF(temp01); 0174 QCOMPARE(temp01.radius(), 2); 0175 QCOMPARE(temp02.radius(), 2); 0176 QCOMPARE(temp03.radius(), 2); 0177 QCOMPARE(temp01.angleDegree(), 183); 0178 QCOMPARE(temp02.angleDegree(), 183); 0179 QCOMPARE(temp03.angleDegree(), 183); 0180 } 0181 0182 void testConstructorCartesian() 0183 { 0184 PerceptualColor::PolarPointF temp01; 0185 temp01 = PerceptualColor::PolarPointF(QPointF(0, 0)); 0186 QCOMPARE(temp01.radius(), 0); 0187 QCOMPARE(temp01.angleDegree(), 0); 0188 temp01 = PerceptualColor::PolarPointF(QPointF(2, 0)); 0189 QCOMPARE(temp01.radius(), 2); 0190 QCOMPARE(temp01.angleDegree(), 0); 0191 temp01 = PerceptualColor::PolarPointF(QPointF(2, 2)); 0192 QCOMPARE(temp01.radius(), sqrt(8)); 0193 QCOMPARE(temp01.angleDegree(), static_cast<qreal>(45)); 0194 temp01 = PerceptualColor::PolarPointF(QPointF(0, 2)); 0195 QCOMPARE(temp01.radius(), 2); 0196 QCOMPARE(temp01.angleDegree(), 90); 0197 temp01 = PerceptualColor::PolarPointF(QPointF(-2, 2)); 0198 QCOMPARE(temp01.radius(), sqrt(8)); 0199 QCOMPARE(temp01.angleDegree(), static_cast<qreal>(135)); 0200 temp01 = PerceptualColor::PolarPointF(QPointF(-2, 0)); 0201 QCOMPARE(temp01.radius(), 2); 0202 QCOMPARE(temp01.angleDegree(), 180); 0203 temp01 = PerceptualColor::PolarPointF(QPointF(-2, -2)); 0204 QCOMPARE(temp01.radius(), sqrt(8)); 0205 QCOMPARE(temp01.angleDegree(), static_cast<qreal>(225)); 0206 temp01 = PerceptualColor::PolarPointF(QPointF(0, -2)); 0207 QCOMPARE(temp01.radius(), 2); 0208 QCOMPARE(temp01.angleDegree(), 270); 0209 temp01 = PerceptualColor::PolarPointF(QPointF(2, -2)); 0210 QCOMPARE(temp01.radius(), sqrt(8)); 0211 QCOMPARE(temp01.angleDegree(), static_cast<qreal>(315)); 0212 } 0213 0214 void testIsSamePoint() 0215 { 0216 QVERIFY(!PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(1, 0))); 0217 0218 // If radius is 0, different angle still means same point 0219 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(0, 500))); 0220 0221 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(0, 300))); 0222 0223 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(0, -500))); 0224 0225 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(-0, 500))); 0226 0227 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(-0, 300))); 0228 0229 QVERIFY(PerceptualColor::PolarPointF(0, 0).isSamePoint(PerceptualColor::PolarPointF(-0, -500))); 0230 0231 QVERIFY(!PerceptualColor::PolarPointF(1, 320).isSamePoint(PerceptualColor::PolarPointF(1, 321))); 0232 0233 QVERIFY(PerceptualColor::PolarPointF(5, 90).isSamePoint(PerceptualColor::PolarPointF(-5, 270))); 0234 0235 QVERIFY(PerceptualColor::PolarPointF(5, 450).isSamePoint(PerceptualColor::PolarPointF(-5, -90))); 0236 } 0237 0238 void testToCartesian() 0239 { 0240 QCOMPARE(PerceptualColor::PolarPointF(0, 0).toCartesian(), QPointF(0, 0)); 0241 QCOMPARE(PerceptualColor::PolarPointF(-0, 0).toCartesian(), QPointF(0, 0)); 0242 QCOMPARE(PerceptualColor::PolarPointF(0, 90).toCartesian(), QPointF(0, 0)); 0243 QCOMPARE(PerceptualColor::PolarPointF(-0, 90).toCartesian(), QPointF(0, 0)); 0244 QCOMPARE(PerceptualColor::PolarPointF(0, 361).toCartesian(), QPointF(0, 0)); 0245 QCOMPARE(PerceptualColor::PolarPointF(-0, 361).toCartesian(), QPointF(0, 0)); 0246 QCOMPARE(PerceptualColor::PolarPointF(0, -1).toCartesian(), QPointF(0, 0)); 0247 QCOMPARE(PerceptualColor::PolarPointF(-0, -1).toCartesian(), QPointF(0, 0)); 0248 QCOMPARE(PerceptualColor::PolarPointF(1, 0).toCartesian(), QPointF(1, 0)); 0249 QCOMPARE(PerceptualColor::PolarPointF(1, 90).toCartesian(), QPointF(0, 1)); 0250 QCOMPARE(PerceptualColor::PolarPointF(1, 180).toCartesian(), QPointF(-1, 0)); 0251 QCOMPARE(PerceptualColor::PolarPointF(1, 270).toCartesian(), QPointF(0, -1)); 0252 QCOMPARE(PerceptualColor::PolarPointF(1, 360).toCartesian(), QPointF(1, 0)); 0253 QCOMPARE(PerceptualColor::PolarPointF(1, 720).toCartesian(), QPointF(1, 0)); 0254 QCOMPARE(PerceptualColor::PolarPointF(1, -360).toCartesian(), QPointF(1, 0)); 0255 QCOMPARE(PerceptualColor::PolarPointF(sqrt(8), 45).toCartesian(), QPointF(2, 2)); 0256 } 0257 0258 void testMetaType() 0259 { 0260 PerceptualColor::PolarPointF temp01(17, 18); 0261 QVariant var; 0262 // This following line should throw a compile-time error if meta-type 0263 // is not declared: 0264 var.setValue(temp01); 0265 QVERIFY(var.value<PerceptualColor::PolarPointF>().isSamePoint(temp01)); 0266 } 0267 0268 void testDebug() 0269 { 0270 // suppress warnings 0271 qInstallMessageHandler(voidMessageHandler); 0272 // Test if QDebug support does not make a crash. 0273 qDebug() << PolarPointF(); 0274 // do not suppress warning for generating invalid QColor anymore 0275 qInstallMessageHandler(nullptr); 0276 } 0277 0278 void testMetaTypeDeclaration() 0279 { 0280 QVariant test; 0281 // The next line should produce a compiler error if the 0282 // type is not declared to Qt’s Meta Object System. 0283 test.setValue(PolarPointF()); 0284 } 0285 }; 0286 0287 } // namespace PerceptualColor 0288 0289 QTEST_MAIN(PerceptualColor::TestPolarPointF) 0290 // The following “include” is necessary because we do not use a header file: 0291 #include "testpolarpointf.moc"