FTGlyph-Test.cpp

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Author : sammy
Date : 2008-05-07 15:09:25
Hash : 20620dc7
Message : * Fixed and reactivated unit tests that were disabled during the pImpl refactoring.
test/FTGlyph-Test.cpp
#include <assert.h>

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

#include "Fontdefs.h"

#include "FTGL/ftgl.h"

class TestGlyph : public FTGlyph
{
    public:
        TestGlyph(FT_GlyphSlot glyph)
        :   FTGlyph(glyph)
        {}

        const FTPoint& Render(const FTPoint& pen, int renderMode) { return Advance(); };
};


class FTGlyphTest : public CppUnit::TestCase
{
    CPPUNIT_TEST_SUITE(FTGlyphTest);
        CPPUNIT_TEST(testBadConstructor);
        CPPUNIT_TEST(testGoodConstructor);
    CPPUNIT_TEST_SUITE_END();

    public:
        FTGlyphTest() : CppUnit::TestCase("FTGlyph Test")
        {}

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

        void testBadConstructor()
        {
            TestGlyph testGlyph(0);

            FTPoint testPoint;

            CPPUNIT_ASSERT(testPoint == testGlyph.Advance());
            CPPUNIT_ASSERT_EQUAL(testPoint.X(), testGlyph.Advance().X());
            CPPUNIT_ASSERT_EQUAL(testPoint.Y(), testGlyph.Advance().Y());
            CPPUNIT_ASSERT_EQUAL(testPoint.Z(), testGlyph.Advance().Z());

            CPPUNIT_ASSERT_DOUBLES_EQUAL(0, testGlyph.BBox().Upper().Y(), 0.01);

            CPPUNIT_ASSERT_EQUAL(testGlyph.Error(), 0);
        }


        void testGoodConstructor()
        {
            setUpFreetype(CHARACTER_CODE_A);
            TestGlyph testGlyph(face->glyph);

            FTPoint testPoint(47.0, 0.0, 0.0);
            FTPoint nextPoint = testGlyph.Advance();
            CPPUNIT_ASSERT(testPoint == nextPoint);
            CPPUNIT_ASSERT_DOUBLES_EQUAL(testPoint.X(), nextPoint.X(), 0.0001);
            CPPUNIT_ASSERT_DOUBLES_EQUAL(testPoint.Y(), nextPoint.Y(), 0.0001);
            CPPUNIT_ASSERT_DOUBLES_EQUAL(testPoint.Z(), nextPoint.Z(), 0.0001);

            CPPUNIT_ASSERT_DOUBLES_EQUAL(51.39, testGlyph.BBox().Upper().Y(), 0.01);

            CPPUNIT_ASSERT(testGlyph.Error() == 0);

            tearDownFreetype();
        }


        void setUp()
        {}


        void tearDown()
        {}

    private:
        FT_Library   library;
        FT_Face      face;

        void setUpFreetype(unsigned int characterIndex)
        {
            FT_Error error = FT_Init_FreeType(&library);
            assert(!error);
            error = FT_New_Face(library, ARIAL_FONT_FILE, 0, &face);
            assert(!error);

            loadGlyph(characterIndex);
        }

        void loadGlyph(unsigned int characterIndex)
        {
            long glyphIndex = FT_Get_Char_Index(face, characterIndex);

            FT_Set_Char_Size(face, 0L, FONT_POINT_SIZE * 64, RESOLUTION, RESOLUTION);

            FT_Error error = FT_Load_Glyph(face, glyphIndex, FT_LOAD_DEFAULT);
            assert(!error);
        }

        void tearDownFreetype()
        {
            FT_Done_Face(face);
            FT_Done_FreeType(library);
        }

};

CPPUNIT_TEST_SUITE_REGISTRATION(FTGlyphTest);
kc3-lang/ftgl/test/FTGlyph-Test.cpp

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kc3-lang/ftgl /test/FTGlyph-Test.cpp
