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

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• Hash : de98ac93
  Author :
  Date : 2002-12-18T02:13:49
  

  Added test for glCombine

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• test/FTMesh-Test.cpp

• #include <iostream>
  
  #include <cppunit/extensions/HelperMacros.h>
  #include <cppunit/TestCaller.h>
  #include <cppunit/TestCase.h>
  #include <cppunit/TestSuite.h>
  
  #include "FTVectoriser.h"
  
  
  void CALLBACK ftglError( GLenum errCode, FTMesh* mesh);
  void CALLBACK ftglVertex( void* data, FTMesh* mesh);
  void CALLBACK ftglBegin( GLenum type, FTMesh* mesh);
  void CALLBACK ftglEnd( FTMesh* mesh);
  void CALLBACK ftglCombine( FTGL_DOUBLE coords[3], void* vertex_data[4], GLfloat weight[4], void** outData, FTMesh* mesh);
  
  
  static float POINT_DATA[] = 
  {
      10, 3, 0.7,
      -53, 2000, 23,
      77, -2.4, 765,
      117.5,  0.02, -99,
      10,    3,    -0.87,
      117.5, 0.02, 34.76,
      0.27,  44.4, 3000,
      10,    3,    0
  };
  
  class FTMeshTest : public CppUnit::TestCase
  {
          CPPUNIT_TEST_SUITE( FTMeshTest);
              CPPUNIT_TEST( testAddPoint);
              CPPUNIT_TEST( testTooManyPoints);
          CPPUNIT_TEST_SUITE_END();
          
      public:
          FTMeshTest() : CppUnit::TestCase( "FTMesh Test")
          {}
          
          FTMeshTest( const std::string& name) : CppUnit::TestCase(name)
          {}
  
          void testAddPoint()
          {
              FTGL_DOUBLE testPoint[3] = { 1, 2, 3};
              FTGL_DOUBLE* hole[] = { 0, 0, 0, 0};
  
              FTMesh mesh;
              CPPUNIT_ASSERT( mesh.TesselationCount() == 0);
              CPPUNIT_ASSERT( mesh.Tesselation(0)->PointCount() == 0);
              
              ftglBegin( GL_TRIANGLES, &mesh);
              ftglVertex( &POINT_DATA[0], &mesh);
              ftglVertex( &POINT_DATA[3], &mesh);
              ftglVertex( &POINT_DATA[6], &mesh);
              ftglVertex( &POINT_DATA[9], &mesh);
              ftglEnd( &mesh);
              
              CPPUNIT_ASSERT( mesh.TesselationCount() == 1);
              CPPUNIT_ASSERT( mesh.Tesselation(0)->PolygonType() == GL_TRIANGLES);
              CPPUNIT_ASSERT( mesh.Tesselation(0)->PointCount() == 4);
              CPPUNIT_ASSERT( mesh.Error() == 0);
              
              ftglBegin( GL_QUADS, &mesh);
              ftglVertex( &POINT_DATA[12], &mesh);
              ftglVertex( &POINT_DATA[15], &mesh);
              ftglError( 2, &mesh);
              ftglVertex( &POINT_DATA[18], &mesh);
              ftglCombine( testPoint, NULL, NULL, (void**)hole, &mesh);
              ftglVertex( &POINT_DATA[21], &mesh);
              ftglError( 3, &mesh);
              ftglEnd( &mesh);
  
              CPPUNIT_ASSERT( mesh.TesselationCount() == 2);
              CPPUNIT_ASSERT( mesh.Tesselation(0)->PointCount() == 4);
              CPPUNIT_ASSERT( mesh.Tesselation(1)->PolygonType() == GL_QUADS);
              CPPUNIT_ASSERT( mesh.Tesselation(1)->PointCount() == 4);
              CPPUNIT_ASSERT( mesh.Error() == 3);
              
              CPPUNIT_ASSERT( mesh.TesselationCount() == 2);
          }
          
          
          void testTooManyPoints()
          {
              FTGL_DOUBLE testPoint[3] = { 1, 2, 3};
  
              FTGL_DOUBLE* testOutput[] = { 0, 0, 0, 0};
              FTGL_DOUBLE* hole[] = { 0, 0, 0, 0};
              
              FTMesh mesh;
          
              ftglBegin( GL_TRIANGLES, &mesh);
              ftglCombine( testPoint, NULL, NULL, (void**)testOutput, &mesh);
              
              for( unsigned int x = 0; x < 300; ++x)
              {
                  ftglCombine( testPoint, NULL, NULL, (void**)hole, &mesh);            
              }
              
              ftglEnd( &mesh);
              
              CPPUNIT_ASSERT( *testOutput == &(mesh.tempPointList[0].x));
          
          }
          
          void setUp() 
          {}
          
          
          void tearDown() 
          {}
          
      private:
  };
  
  CPPUNIT_TEST_SUITE_REGISTRATION( FTMeshTest);
  
  

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