prepare test:

cd test/unit-testing
LIBREDWG_DEBUG=-1 ./add_test

check if created dwg's are valid:

for d in add_*_2000.dwg; do ../../oda $d; done

• 3dface
• arc
• attrib
• box
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• circle
• cone
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• cylinder
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• dict
• dictwdflt
• dim3pt
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimali
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimang
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimdia
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimlin
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimord
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimrad
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• dimstyle
• ellipse
• hatch
• insert
• layout
  Object of class AcDbLayout can't be cast to AcDbEntity
• leader
  Object of class AcDbDimStyleTableRecord can't be cast to AcDbEntity
• line
• lwpline
• minsert
• mline
• mlstyle
• mtext
• ole2frame
• pdfdef1
• pdfdef2
• pdfdef3
• pdfunderlay
• pface
• pl2d
• pl3d
• pmesh
• point
• ray
• region
• shape
• solid
• sphere
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• spline
• text
• tolerance
• torus
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• trace
• ucs
• vba
• viewport
• wedge
  Object improperly read AcDb3dSolid(27) Object of class AcDbProxyObject can't be cast to AcDbEntity
• wipeoutvars
• xline
• xrecord