FTFont-Test.cpp

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Author : henry
Date : 2002-12-17 23:28:16
Hash : becb282a
Message : Moved all the constants into a header
test/FTFont-Test.cpp
#include "cppunit/extensions/HelperMacros.h"
#include "cppunit/TestCaller.h"
#include "cppunit/TestCase.h"
#include "cppunit/TestSuite.h"


#include "Fontdefs.h"
#include "FTGlyph.h"
#include "FTFont.h"


class TestGlyph : public FTGlyph
{
    public:
        TestGlyph( FT_Glyph glyph)
        :   FTGlyph( glyph)
        {
            FT_Done_Glyph( glyph );
        }
        
        float Render( const FTPoint& pen){ return advance;}
};


class TestFont : public FTFont
{
    public:
        TestFont( const char* fontname)
        :   FTFont( fontname)
        {}
        
        TestFont( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
        :   FTFont( pBufferBytes, bufferSizeInBytes)
        {}

        FTGlyph* MakeGlyph( unsigned int g)
        {
            FT_Glyph* ftGlyph = face.Glyph( g, FT_LOAD_NO_HINTING);
        
            if( ftGlyph)
            {
                TestGlyph* tempGlyph = new TestGlyph( *ftGlyph);
                return tempGlyph;
            }
        
            err = face.Error();
            return NULL;
        }
};


class FTFontTest : public CppUnit::TestCase
{
    CPPUNIT_TEST_SUITE( FTFontTest);
        CPPUNIT_TEST( testOpenFont);
        CPPUNIT_TEST( testOpenFontFromMemory);
        CPPUNIT_TEST( testAttachFile);
        CPPUNIT_TEST( testSetFontSize);
        CPPUNIT_TEST( testSetCharMap);
        CPPUNIT_TEST( testBoundingBox);
        CPPUNIT_TEST( testAdvance);
    CPPUNIT_TEST_SUITE_END();

  public:
    FTFontTest() : CppUnit::TestCase( "FTFont test") {};
    FTFontTest( const std::string& name) : CppUnit::TestCase(name) {};
    

    void testOpenFont()
    {
        TestFont badFont( BAD_FONT_FILE);
        CPPUNIT_ASSERT( badFont.Error() == 1);        

        TestFont goodFont( GOOD_FONT_FILE);
        CPPUNIT_ASSERT( goodFont.Error() == 0);        
    }
    
    
    void testOpenFontFromMemory()
    {
        TestFont badFont( (unsigned char*)100, 0);
        CPPUNIT_ASSERT( badFont.Error() == 85);        

        TestFont goodFont( arial_ttf.dataBytes, arial_ttf.numBytes);
        CPPUNIT_ASSERT( goodFont.Error() == 0);        
    }
    
    
    void testAttachFile()
    {
        testFont->Attach( GOOD_FONT_FILE);
        CPPUNIT_ASSERT( testFont->Error() == 7);        
    }
    

    void testSetFontSize()
    {
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, testFont->Ascender(), 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, testFont->Descender(), 0.01);

        CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
        CPPUNIT_ASSERT( testFont->Error() == 0);
        
        CPPUNIT_ASSERT( testFont->FaceSize() == GOOD_SIZE);
        
        CPPUNIT_ASSERT_DOUBLES_EQUAL(  52, testFont->Ascender(), 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( -14, testFont->Descender(), 0.01);
    }
    
    
    void testSetCharMap()
    {
        CPPUNIT_ASSERT( testFont->CharMap( ft_encoding_unicode));
        CPPUNIT_ASSERT( testFont->Error() == 0);        
        CPPUNIT_ASSERT( !testFont->CharMap( ft_encoding_johab));
        CPPUNIT_ASSERT( testFont->Error() == 6);        
    }
    
    
    void testBoundingBox()
    {
        CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
        CPPUNIT_ASSERT( testFont->Error() == 0);
        
        float llx, lly, llz, urx, ury, urz;
        
        testFont->BBox( GOOD_ASCII_TEST_STRING, llx, lly, llz, urx, ury, urz);

        CPPUNIT_ASSERT_DOUBLES_EQUAL(   1.21, llx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( -15.12, lly, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(   0.00, llz, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 307.43, urx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(  51.54, ury, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(   0.00, urz, 0.01);
        
        testFont->BBox( BAD_ASCII_TEST_STRING, llx, lly, llz, urx, ury, urz);

        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, lly, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llz, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, ury, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urz, 0.01);
        
        testFont->BBox( GOOD_UNICODE_TEST_STRING, llx, lly, llz, urx, ury, urz);

        CPPUNIT_ASSERT_DOUBLES_EQUAL(   2.15, llx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(  -6.12, lly, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(   0.00, llz, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 134.28, urx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(  61.12, ury, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL(   0.00, urz, 0.01);
        
        testFont->BBox( BAD_UNICODE_TEST_STRING, llx, lly, llz, urx, ury, urz);

        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, lly, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, llz, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urx, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, ury, 0.01);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, urz, 0.01);
    }


    void testAdvance()
    {
        CPPUNIT_ASSERT( testFont->FaceSize( GOOD_SIZE));
        CPPUNIT_ASSERT( testFont->Error() == 0);
        
        float advance = testFont->Advance( GOOD_ASCII_TEST_STRING);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 312.10, advance, 0.01);

        advance = testFont->Advance( BAD_ASCII_TEST_STRING);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, advance, 0.01);

        advance = testFont->Advance( GOOD_UNICODE_TEST_STRING);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 144, advance, 0.01);
        
        advance = testFont->Advance( BAD_UNICODE_TEST_STRING);
        CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, advance, 0.01);
    }
    
    
    void setUp() 
    {
        testFont = new TestFont( GOOD_FONT_FILE);
    }


    void tearDown() 
    {
        delete testFont;
    }
    
  private:
        TestFont* testFont;

};

CPPUNIT_TEST_SUITE_REGISTRATION( FTFontTest);
kc3-lang/ftgl/test/FTFont-Test.cpp

Commit

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