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

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• Hash : 32c357cf
  Author :
  Date : 2002-12-17T08:21:01
  

  Added unit tests

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• test/FTGlyphContainer-Test.cpp

• #include <cppunit/extensions/HelperMacros.h>
  #include <cppunit/TestCaller.h>
  #include <cppunit/TestCase.h>
  #include <cppunit/TestSuite.h>
  
  #include "FTFace.h"
  #include "FTGlyph.h"
  #include "FTGlyphContainer.h"
  
  
  static const char* GOOD_FONT_FILE = "../../test/MHei-Medium-Acro";
  static const unsigned int NUMBER_OF_GLYPHS = 50;
  static const unsigned int TOO_MANY_GLYPHS = 14100; // MHei-Medium-Acro has 14099
  
  static const unsigned int FONT_INDEX_OF_A = 34;
  
  
  class TestGlyph : public FTGlyph
  {
      public:
          TestGlyph()
          :   FTGlyph(0)
          {
              advance = 50.0f;
          }
          
          virtual float Render( const FTPoint& pen){ return advance;}
  };
  
  
  class FTGlyphContainerTest : public CppUnit::TestCase
  {
          CPPUNIT_TEST_SUITE( FTGlyphContainerTest);
              CPPUNIT_TEST( testAdd);
              CPPUNIT_TEST( testAdvance);
              CPPUNIT_TEST( testRender);
          CPPUNIT_TEST_SUITE_END();
          
      public:
          FTGlyphContainerTest() : CppUnit::TestCase( "FTGlyphContainer Test")
          {
              face = new FTFace;
              face->Open( GOOD_FONT_FILE);
              face->Size( 72, 72);
              face->CharMap( ft_encoding_unicode);
          }
          
          FTGlyphContainerTest( const std::string& name) : CppUnit::TestCase(name)
          {
              delete face;
          }
  
          void testAdd()
          {
              TestGlyph* glyph = new TestGlyph();
              CPPUNIT_ASSERT( !glyphContainer->Add( glyph, TOO_MANY_GLYPHS));
              CPPUNIT_ASSERT( glyphContainer->Add( glyph, FONT_INDEX_OF_A));
              
              CPPUNIT_ASSERT( glyphContainer->Glyph( 'A') == glyph);
          }
          
          
          void testAdvance()
          {
              TestGlyph* glyph = new TestGlyph();
  
              CPPUNIT_ASSERT( glyphContainer->Add( glyph, FONT_INDEX_OF_A));
              
              float advance = glyphContainer->Advance( 'A', 0);
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 50, advance, 0.01);
          }
          
          
          void testRender()
          {
              TestGlyph* glyph = new TestGlyph();
              
              CPPUNIT_ASSERT( glyphContainer->Add( glyph, FONT_INDEX_OF_A));
              
              FTPoint pen;
              
              float advance = glyphContainer->Render( 'A', 0, pen).x;
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 50, advance, 0.01);
          }
          
          
          void setUp() 
          {
              glyphContainer = new FTGlyphContainer( face);
          }
          
          
          void tearDown() 
          {
              delete glyphContainer;
              delete face;
          }
          
      private:
          FTFace* face;
          FTGlyphContainer* glyphContainer;
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION( FTGlyphContainerTest);
  
  

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