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

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• Hash : f75d9d61
  Author :
  Date : 2003-05-04T21:02:26
  

  Changed unit tests for new hinter in Freetype 2.1.4

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• test/FTSize-Test.cpp

• #include <cppunit/extensions/HelperMacros.h>
  #include <cppunit/TestCaller.h>
  #include <cppunit/TestCase.h>
  #include <cppunit/TestSuite.h>
  #include <assert.h>
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  #include FT_GLYPH_H
  
  #include "Fontdefs.h"
  #include "FTSize.h"
  
  
  class FTSizeTest : public CppUnit::TestCase
  {
      CPPUNIT_TEST_SUITE( FTSizeTest);
          CPPUNIT_TEST( testConstructor);
          CPPUNIT_TEST( testSetCharSize);
          CPPUNIT_TEST( testPixelsPerEMSquare);
      CPPUNIT_TEST_SUITE_END();
          
      public:
          FTSizeTest() : CppUnit::TestCase( "FTSize Test")
          {}
          
          FTSizeTest( const std::string& name) : CppUnit::TestCase(name) {}
  
          void testConstructor()
          {
              FTSize size;
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.CharSize(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Ascender(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Descender(), 0.01);
  
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Height(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Width(), 0.01);
  
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Underline(), 0.01);
  
              CPPUNIT_ASSERT( size.XPixelsPerEm() == 0);
              CPPUNIT_ASSERT( size.YPixelsPerEm() == 0);
              
          }
          
          
          void testSetCharSize()
          {
              setUpFreetype();
              
              FTSize size;
  
              CPPUNIT_ASSERT( size.CharSize( &face, FONT_POINT_SIZE, RESOLUTION, RESOLUTION));
              CPPUNIT_ASSERT( size.Error() == 0);
              
              CPPUNIT_ASSERT_DOUBLES_EQUAL(  72, size.CharSize(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL(  52, size.Ascender(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( -15, size.Descender(), 0.01);
  
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 81.86, size.Height(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 76.32, size.Width(), 0.01);
  
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, size.Underline(), 0.01);
              
              tearDownFreetype();
          }
          
          void testPixelsPerEMSquare()
          {
              setUpFreetype();
              
              FTSize size;
  
              CPPUNIT_ASSERT( size.CharSize( &face, FONT_POINT_SIZE, RESOLUTION, RESOLUTION));
              CPPUNIT_ASSERT( size.Error() == 0);
  
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 72, size.XPixelsPerEm(), 0.01);
              CPPUNIT_ASSERT_DOUBLES_EQUAL( 72, size.YPixelsPerEm(), 0.01);
          }
          
          void setUp() 
          {}
          
          
          void tearDown() 
          {}
          
      private:
          FT_Library   library;
          FT_Face      face;
  
          void setUpFreetype()
          {
              FT_Error error = FT_Init_FreeType( &library);
              assert(!error);
              error = FT_New_Face( library, GOOD_FONT_FILE, 0, &face);
              assert(!error);
          }
          
          void tearDownFreetype()
          {
              FT_Done_Face( face);
              FT_Done_FreeType( library);
          }
          
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION( FTSizeTest);
  
  

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