basegfx/test/B2DPointTest.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <cppunit/TestFixture.h>
  21 #include <cppunit/extensions/HelperMacros.h>
  22 #include <basegfx/point/b2dpoint.hxx>
  23 #include <basegfx/vector/b2dsize.hxx>
  24 #include <basegfx/matrix/b2dhommatrix.hxx>
  25 #include <cmath>
  26 #include <sstream>
  27
  28 class B2DPointTest : public CppUnit::TestFixture
  29 {
  30 public:
  31     void testCreation();
  32     void testSet();
  33     void testTimesEquals();
  34     void testMultipy();
  35     void testAssignment();
  36     void testGetEmptyPoint();
  37     void testOutputOperator();
  38     void testOperators();
  39
  40     CPPUNIT_TEST_SUITE(B2DPointTest);
  41     CPPUNIT_TEST(testCreation);
  42     CPPUNIT_TEST(testSet);
  43     CPPUNIT_TEST(testTimesEquals);
  44     CPPUNIT_TEST(testMultipy);
  45     CPPUNIT_TEST(testAssignment);
  46     CPPUNIT_TEST(testGetEmptyPoint);
  47     CPPUNIT_TEST(testOutputOperator);
  48     CPPUNIT_TEST(testOperators);
  49     CPPUNIT_TEST_SUITE_END();
  50 };
  51
  52 void B2DPointTest::testCreation()
  53 {
  54     basegfx::B2DPoint aPointDefault;
  55     CPPUNIT_ASSERT_EQUAL(0.0, aPointDefault.getX());
  56     CPPUNIT_ASSERT_EQUAL(0.0, aPointDefault.getY());
  57
  58     basegfx::B2DPoint aPoint1(5.0, 2.0);
  59     CPPUNIT_ASSERT_EQUAL(5.0, aPoint1.getX());
  60     CPPUNIT_ASSERT_EQUAL(2.0, aPoint1.getY());
  61
  62     basegfx::B2DPoint aPointCopy(aPoint1);
  63     CPPUNIT_ASSERT_EQUAL(5.0, aPointCopy.getX());
  64     CPPUNIT_ASSERT_EQUAL(2.0, aPointCopy.getY());
  65
  66     basegfx::B2DPoint aPoint2 = { 5.0, 2.0 };
  67     CPPUNIT_ASSERT_EQUAL(5.0, aPoint2.getX());
  68     CPPUNIT_ASSERT_EQUAL(2.0, aPoint2.getY());
  69
  70     basegfx::B2IPoint aPointI1(1, 2);
  71     basegfx::B2DPoint aPointFromI(aPointI1);
  72     CPPUNIT_ASSERT_EQUAL(1.0, aPointFromI.getX());
  73     CPPUNIT_ASSERT_EQUAL(2.0, aPointFromI.getY());
  74
  75     basegfx::B2DTuple aTuple(3.5, 4.5);
  76     basegfx::B2DPoint aPointFromTuple(aTuple);
  77     CPPUNIT_ASSERT_EQUAL(3.5, aPointFromTuple.getX());
  78     CPPUNIT_ASSERT_EQUAL(4.5, aPointFromTuple.getY());
  79
  80     std::vector<basegfx::B2DPoint> aPointVector{
  81         { 5.0, 2.0 },
  82         { 4.0, 3.0 },
  83     };
  84     CPPUNIT_ASSERT_EQUAL(5.0, aPointVector[0].getX());
  85     CPPUNIT_ASSERT_EQUAL(2.0, aPointVector[0].getY());
  86     CPPUNIT_ASSERT_EQUAL(4.0, aPointVector[1].getX());
  87     CPPUNIT_ASSERT_EQUAL(3.0, aPointVector[1].getY());
  88 }
  89
  90 void B2DPointTest::testSet()
  91 {
  92     basegfx::B2DPoint aPoint;
  93     aPoint.setX(1.1);
  94     aPoint.setY(2.2);
  95     CPPUNIT_ASSERT_DOUBLES_EQUAL(1.1, aPoint.getX(), 0.0000001);
  96     CPPUNIT_ASSERT_DOUBLES_EQUAL(2.2, aPoint.getY(), 0.0000001);
  97 }
  98
  99 void B2DPointTest::testTimesEquals()
 100 {
 101     basegfx::B2DPoint aPoint1(1.1, 2.2);
 102     basegfx::B2DPoint aPoint2(3.0, 4.0);
 103     aPoint1 *= aPoint2;
 104     CPPUNIT_ASSERT_DOUBLES_EQUAL(3.3, aPoint1.getX(), 0.0000001);
 105     CPPUNIT_ASSERT_DOUBLES_EQUAL(8.8, aPoint1.getY(), 0.0000001);
 106
 107     aPoint2 *= 1.5;
 108     CPPUNIT_ASSERT_DOUBLES_EQUAL(4.5, aPoint2.getX(), 0.0000001);
 109     CPPUNIT_ASSERT_DOUBLES_EQUAL(6.0, aPoint2.getY(), 0.0000001);
 110
 111     basegfx::B2DHomMatrix aMatrix;
 112     aMatrix.identity();
 113     aPoint1 *= aMatrix;
 114     CPPUNIT_ASSERT_DOUBLES_EQUAL(3.3, aPoint1.getX(), 0.0000001);
 115     CPPUNIT_ASSERT_DOUBLES_EQUAL(8.8, aPoint1.getY(), 0.0000001);
 116
 117     aMatrix.translate(1.0, 2.0);
 118     aPoint1 *= aMatrix;
 119     CPPUNIT_ASSERT_DOUBLES_EQUAL(4.3, aPoint1.getX(), 0.0000001);
 120     CPPUNIT_ASSERT_DOUBLES_EQUAL(10.8, aPoint1.getY(), 0.0000001);
 121
 122     aMatrix.identity();
 123     aMatrix.rotate(-M_PI_4);
 124     aPoint1.setX(1.0);
 125     aPoint1.setY(1.0);
 126     aPoint1 *= aMatrix;
 127     CPPUNIT_ASSERT_DOUBLES_EQUAL(sqrt(2.0), aPoint1.getX(), 0.0000001);
 128     CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, aPoint1.getY(), 0.0000001);
 129
 130     aMatrix.identity();
 131     aMatrix.translate(0.0, 1.0);
 132     aMatrix.rotate(M_PI_4);
 133     aMatrix.scale(2.0, 2.0);
 134     aMatrix.shearX(2.0);
 135     aMatrix.shearY(3.0);
 136     aPoint1.setX(0);
 137     aPoint1.setY(0);
 138     aPoint1 *= aMatrix;
 139     CPPUNIT_ASSERT_DOUBLES_EQUAL(sqrt(2.0), aPoint1.getX(), 0.0000001);
 140     CPPUNIT_ASSERT_DOUBLES_EQUAL(4.0 * sqrt(2.0), aPoint1.getY(), 0.0000001);
 141 }
 142 void B2DPointTest::testMultipy()
 143 {
 144     basegfx::B2DPoint aPoint(1, 2);
 145     basegfx::B2DHomMatrix aMatrix;
 146     aMatrix.identity();
 147     aMatrix.rotate(M_PI);
 148     basegfx::B2DPoint aResult = aMatrix * aPoint;
 149     CPPUNIT_ASSERT_DOUBLES_EQUAL(-1, aResult.getX(), 0.0000001);
 150     CPPUNIT_ASSERT_DOUBLES_EQUAL(-2, aResult.getY(), 0.0000001);
 151 }
 152
 153 void B2DPointTest::testAssignment()
 154 {
 155     basegfx::B2DTuple aTuple(2.5, 5.5);
 156     basegfx::B2DPoint aPoint(0, 0);
 157     aPoint = aTuple;
 158     CPPUNIT_ASSERT_DOUBLES_EQUAL(2.5, aPoint.getX(), 0.0000001);
 159     CPPUNIT_ASSERT_DOUBLES_EQUAL(5.5, aPoint.getY(), 0.0000001);
 160
 161     basegfx::B2DPoint aPoint2(3.2, 6.2);
 162     aPoint = aPoint2;
 163     CPPUNIT_ASSERT_DOUBLES_EQUAL(3.2, aPoint.getX(), 0.0000001);
 164     CPPUNIT_ASSERT_DOUBLES_EQUAL(6.2, aPoint.getY(), 0.0000001);
 165 }
 166 void B2DPointTest::testGetEmptyPoint()
 167 {
 168     CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, basegfx::B2DPoint::getEmptyPoint().getX(), .0000001);
 169     CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, basegfx::B2DPoint::getEmptyPoint().getY(), .0000001);
 170 }
 171
 172 void B2DPointTest::testOutputOperator()
 173 {
 174     std::ostringstream aOut;
 175     basegfx::B2DPoint aPoint(2.0, 3.0);
 176     aOut << aPoint;
 177     std::string aResult = aOut.str();
 178     CPPUNIT_ASSERT_EQUAL(std::string("(2,3)"), aResult);
 179 }
 180
 181 void B2DPointTest::testOperators()
 182 {
 183     basegfx::B2DPoint aPoint(2.0, 3.0);
 184     basegfx::B2DSize aSize(1.0, 1.0);
 185
 186     CPPUNIT_ASSERT_EQUAL(true, basegfx::B2DPoint(3.0, 4.0) == aPoint + basegfx::B2DPoint(aSize));
 187     CPPUNIT_ASSERT_EQUAL(true, basegfx::B2DPoint(1.0, 2.0) == aPoint - basegfx::B2DPoint(aSize));
 188     CPPUNIT_ASSERT_EQUAL(true, basegfx::B2DPoint(2.0, 3.0) == aPoint * basegfx::B2DPoint(aSize));
 189     CPPUNIT_ASSERT_EQUAL(true, basegfx::B2DPoint(2.0, 3.0) == aPoint / basegfx::B2DPoint(aSize));
 190 }
 191
 192 CPPUNIT_TEST_SUITE_REGISTRATION(B2DPointTest);
 193
 194 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */