#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/TestCaller.h>
#include <cppunit/TestCase.h>
#include <cppunit/TestSuite.h>

#include "FTContour.h"

// FT_Curve_Tag_On           1
// FT_Curve_Tag_Conic        0
// FT_Curve_Tag_Cubic        2

static FT_Vector shortLine[2] =
{
    { 1, 1},
    { 2, 2},
};

static FT_Vector straightLinePoints[3] =
{
    { 0,  0},
    { 6,  7},
    { 9, -2}
};

static char straightLineTags[3] =
{
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_On
};

static char brokenTags[3] =
{
    FT_Curve_Tag_Conic,
    69,
    FT_Curve_Tag_On
};

static FT_Vector simpleConicPoints[3] =
{
    { 0,  0},
    { 6,  7},
    { 9, -2}
};

static FT_Vector brokenPoints[3] =
{
    { 0, 0},
    { 0, 0},
    { 0, 0}
};

static char simpleConicTags[3] =
{
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_On,
    FT_Curve_Tag_On
};

static FT_Vector doubleConicPoints[4] =
{
    { 0,  0},
    { 6,  7},
    { 9, -2},
    { 4,  0}
};

static char doubleConicTags[4] =
{
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic
};

static FT_Vector cubicPoints[4] =
{
    { 0,  0},
    { 6,  7},
    { 9, -2},
    { 4,  0}
};

static char cubicTags[4] =
{
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Cubic,
    FT_Curve_Tag_Cubic
};


// ARIAl 'd'
static FT_Vector compositePoints[18] =
{
    { 1856,    0 },
    { 1856,  279 },
    { 1625,  -64 },
    { 1175,  -64 },
    {  884,  -64 },
    {  396,  251 },
    {  128,  815 },
    {  128, 1182 },
    {  128, 1539 },
    {  370, 2121 },
    {  855, 2432 },
    { 1156, 2432 },
    { 1375, 2432 },
    { 1718, 2257 },
    { 1826, 2118 },
    { 1826, 3264 },
    { 2240, 3264 },
    { 2240,    0 },
};

static char compositeTags[18] =
{
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_On,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_Conic,
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_On,
    FT_Curve_Tag_On
};

class FTContourTest : public CppUnit::TestCase
{
    CPPUNIT_TEST_SUITE(FTContourTest);
        CPPUNIT_TEST(testNullCurve);
        CPPUNIT_TEST(testBrokenCurve);
        CPPUNIT_TEST(testStraightLine);
        CPPUNIT_TEST(testConicCurve);
        CPPUNIT_TEST(testDoubleConicCurve);
        CPPUNIT_TEST(testCubicCurve);
        CPPUNIT_TEST(testCompositeCurve);
    CPPUNIT_TEST_SUITE_END();

    public:
        FTContourTest() : CppUnit::TestCase("FTContour Test")
        {}

        FTContourTest(const std::string& name) : CppUnit::TestCase(name)
        {}

        void testNullCurve()
        {
            FTContour contour(NULL, NULL, 0);
            CPPUNIT_ASSERT(contour.PointCount() == 0);
        }


        void testBrokenCurve()
        {
            FTContour contour(brokenPoints, simpleConicTags, 3);
            CPPUNIT_ASSERT(contour.PointCount() == 1);

            FTContour shortContour(shortLine, simpleConicTags, 2);
            CPPUNIT_ASSERT(shortContour.PointCount() == 6);

            FTContour reallyShortContour(shortLine, simpleConicTags, 1);
            CPPUNIT_ASSERT(reallyShortContour.PointCount() == 1);

            FTContour brokenTagtContour(shortLine, brokenTags, 3);
            CPPUNIT_ASSERT(brokenTagtContour.PointCount() == 7);
        }


        void testStraightLine()
        {
            FTContour contour(straightLinePoints, straightLineTags, 3);
            CPPUNIT_ASSERT(contour.PointCount() == 3);
        }


        void testConicCurve()
        {
            FTContour contour(simpleConicPoints, simpleConicTags, 3);
            CPPUNIT_ASSERT(contour.PointCount() == 7);
        }


        void testDoubleConicCurve()
        {
            FTContour contour(doubleConicPoints, doubleConicTags, 4);
            CPPUNIT_ASSERT(contour.PointCount() == 12);
        }


        void testCubicCurve()
        {
            FTContour contour(cubicPoints, cubicTags, 4);
            CPPUNIT_ASSERT(contour.PointCount() == 7);
        }


        void testCompositeCurve()
        {
            FTContour contour(compositePoints, compositeTags, 18);
            CPPUNIT_ASSERT(contour.PointCount() == 50);
        }


        void setUp()
        {}


        void tearDown()
        {}

    private:
};

CPPUNIT_TEST_SUITE_REGISTRATION(FTContourTest);