basegfx/test/B2DRangeTest.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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 */

#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>

#include <basegfx/range/b2drange.hxx>
#include <basegfx/range/b2irange.hxx>

class B2DRangeTest : public CppUnit::TestFixture
{
    void testCreation()
    {
        basegfx::B2DRange aRange(1.2, 2.3, 3.5, 4.8);

        CPPUNIT_ASSERT_EQUAL(basegfx::B2DRange(1.2, 2.3, 3.5, 4.8), aRange);

        CPPUNIT_ASSERT_EQUAL(1.2, aRange.getMinX());
        CPPUNIT_ASSERT_EQUAL(3.5, aRange.getMaxX());
        CPPUNIT_ASSERT_EQUAL(2.3, aRange.getMinY());
        CPPUNIT_ASSERT_EQUAL(4.8, aRange.getMaxY());

        CPPUNIT_ASSERT_EQUAL(2.3, aRange.getWidth());
        CPPUNIT_ASSERT_EQUAL(2.5, aRange.getHeight());

        // wrong order of the interval
        basegfx::B2DRange aRange2(1.0, 1.0, 0.0, 0.0);

        CPPUNIT_ASSERT_EQUAL(basegfx::B2DRange(1.0, 1.0, 0.0, 0.0), aRange2);
        CPPUNIT_ASSERT_EQUAL(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0), aRange2);

        CPPUNIT_ASSERT_EQUAL(0.0, aRange2.getMinX());
        CPPUNIT_ASSERT_EQUAL(0.0, aRange2.getMinY());
        CPPUNIT_ASSERT_EQUAL(1.0, aRange2.getMaxX());
        CPPUNIT_ASSERT_EQUAL(1.0, aRange2.getMaxY());

        CPPUNIT_ASSERT_EQUAL(1.0, aRange2.getWidth());
        CPPUNIT_ASSERT_EQUAL(1.0, aRange2.getHeight());
    }

    void testRound()
    {
        basegfx::B2DRange aRange(1.2, 2.3, 3.5, 4.8);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("simple range rounding from double to integer",
                                     basegfx::B2IRange(1, 2, 4, 5), fround(aRange));
    }

    void testCenter()
    {
        basegfx::B2DRange aRange(1.0, 2.0, 2.0, 3.0);
        CPPUNIT_ASSERT_EQUAL(1.5, aRange.getCenterX());
        CPPUNIT_ASSERT_EQUAL(2.5, aRange.getCenterY());
    }

    void testIntersect()
    {
        basegfx::B2DRange aRange(1.0, 1.0, 4.0, 4.0);
        aRange.intersect(basegfx::B2DRange(0.0, 0.0, 2.0, 2.0));

        CPPUNIT_ASSERT_EQUAL(basegfx::B2DRange(1.0, 1.0, 2.0, 2.0), aRange);
    }

    CPPUNIT_TEST_SUITE(B2DRangeTest);
    CPPUNIT_TEST(testCreation);
    CPPUNIT_TEST(testRound);
    CPPUNIT_TEST(testCenter);
    CPPUNIT_TEST(testIntersect);
    CPPUNIT_TEST_SUITE_END();
};

CPPUNIT_TEST_SUITE_REGISTRATION(B2DRangeTest);

CPPUNIT_PLUGIN_IMPLEMENT();

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