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#include "sal/config.h"
#include "sal/precppunit.hxx"

// autogenerated file with codegen.pl

#include "cppunit/TestAssert.h"
#include "cppunit/TestFixture.h"
#include "cppunit/extensions/HelperMacros.h"

#include <basegfx/tools/keystoplerp.hxx>
#include <basegfx/numeric/ftools.hxx>

#include <boost/tuple/tuple.hpp>

using namespace ::basegfx;
using namespace ::boost::tuples;

namespace basegfxtools
{

class KeyStopLerpTest : public CppUnit::TestFixture
{
    tools::KeyStopLerp maKeyStops;

    static std::vector<double> getTestVector()
    {
        std::vector<double> aStops(3);
        aStops[0] = 0.1;
        aStops[1] = 0.5;
        aStops[2] = 0.9;
        return aStops;
    }

public:
    KeyStopLerpTest() :
        maKeyStops(getTestVector())
    {}

    void setUp()
    {}

    void tearDown()
    {}

    void test()
    {
        double fAlpha;
        std::ptrdiff_t nIndex;

        tie(nIndex,fAlpha) = maKeyStops.lerp(-1.0);
        CPPUNIT_ASSERT_MESSAGE("-1.0", nIndex==0 && fAlpha==0.0);

        tie(nIndex,fAlpha) = maKeyStops.lerp(0.1);
        CPPUNIT_ASSERT_MESSAGE("0.1", nIndex==0 && fAlpha==0.0);

        tie(nIndex,fAlpha) = maKeyStops.lerp(0.3);
        CPPUNIT_ASSERT_MESSAGE("0.3", nIndex==0 && fTools::equal(fAlpha,0.5));

        tie(nIndex,fAlpha) = maKeyStops.lerp(0.5);
        CPPUNIT_ASSERT_MESSAGE("0.5", nIndex==0 && fTools::equal(fAlpha,1.0));

        tie(nIndex,fAlpha) = maKeyStops.lerp(0.51);
        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,0.025));

        tie(nIndex,fAlpha) = maKeyStops.lerp(0.9);
        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,1.0));

        tie(nIndex,fAlpha) = maKeyStops.lerp(1.0);
        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fAlpha==1.0);
    }

    // Change the following lines only, if you add, remove or rename
    // member functions of the current class,
    // because these macros are need by auto register mechanism.

    CPPUNIT_TEST_SUITE(KeyStopLerpTest);
    CPPUNIT_TEST(test);
    CPPUNIT_TEST_SUITE_END();
};

// -----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_REGISTRATION(basegfxtools::KeyStopLerpTest);
} // namespace basegfxtools

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