cmake_minimum_required(VERSION 2.8)
if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}.${CMAKE_PATCH_VERSION}" VERSION_GREATER 2.8.3)
  # Explicitly use new include policy to avoid globally shadowing included modules
  # http://www.cmake.org/cmake/help/cmake-2-8-docs.html#policy:CMP0017
  cmake_policy(SET CMP0017 NEW)
endif()
project(tests)

set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}")

# Build debug build as default
if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug)
endif()

#
# Windows
#

if(WIN32)
  set(WIN32_STATIC_BUILD "True")
endif()

if(WIN32_STATIC_BUILD)
  if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
    set(EMSG "\nTo build Win32 STATIC OpenSCAD tests you must run")
    set(EMSG "${EMSG} \ncmake .. -DCMAKE_BUILD_TYPE=Release")
    set(EMSG "${EMSG} \nthen replace /MD with /MT in CMakeCache.txt")
    set(EMSG "${EMSG} \ni.e. sed -i s/\\/MD/\\/MT/ CMakeCache.txt") 
    set(EMSG "${EMSG} \nthen re-run cmake ..") 
    message(FATAL_ERROR ${EMSG})
  endif()
endif()

# Disable warnings
if(WIN32)
  # too long decorated names
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4503")
  # int cast to bool in CGAL
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4800")
  # unreferenced parameters in CGAL
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4100")
  # fopen_s advertisement
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_CRT_SECURE_NO_DEPRECATE")
  # lexer uses strdup & other POSIX stuff
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_CRT_NONSTDC_NO_DEPRECATE")
  # M_PI
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_USE_MATH_DEFINES")
endif()

# Debugging - if you uncomment, use nmake -f Makefile > log.txt (the log is big)
if(WIN32)
  # Linker debugging
  #set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -VERBOSE")

  # Compiler debugging
  # you have to pass -DCMAKE_VERBOSE_MAKEFILE=ON to cmake when you run it. 
endif()


#
# Build test apps
#

# Mac OS X
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
  FIND_LIBRARY(COCOA_LIBRARY Cocoa)
endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")

# Qt4
find_package(OpenGL)
find_package(Qt4 COMPONENTS QtCore QtGui QtOpenGL REQUIRED)
include(${QT_USE_FILE})

# Eigen2

# Turn off Eigen SIMD optimization
if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
  if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEIGEN_DONT_ALIGN")
  endif()
endif()

if (NOT EIGEN2_INCLUDE_DIR)
  find_path(EIGEN2_INCLUDE_DIR
            Eigen/Core 
            PATHS ENV EIGEN2DIR /opt/local/include/eigen2 /usr/include/eigen2)
  if (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") 
    find_path(EIGEN2_INCLUDE_DIR 
              Eigen/Core 
              PATHS ENV EIGEN2DIR /usr/local/include/eigen2 )
  endif()
  if (NOT EIGEN2_INCLUDE_DIR)
    message(FATAL_ERROR "Eigen2 not found")
  else()
    message(STATUS "Eigen2 found in " ${EIGEN2_INCLUDE_DIR})
  endif()
endif()
include_directories(${EIGEN2_INCLUDE_DIR})

# OpenCSG
if (NOT $ENV{OPENCSG_DIR} STREQUAL "")
  set(OPENCSG_DIR "$ENV{OPENCSG_DIR}")
elseif (NOT $ENV{MACOSX_DEPLOY_DIR} STREQUAL "")
  set(OPENCSG_DIR "$ENV{MACOSX_DEPLOY_DIR}")
endif()
if (NOT OPENCSG_INCLUDE_DIR)
   message(STATUS ${OPENCSG_DIR})
  find_path(OPENCSG_INCLUDE_DIR
            opencsg.h
            PATHS ${OPENCSG_DIR}/include)
  find_library(OPENCSG_LIBRARY
               opencsg
               PATHS ${OPENCSG_DIR}/lib)
  if (NOT OPENCSG_INCLUDE_DIR OR NOT OPENCSG_LIBRARY)
    message(FATAL_ERROR "OpenCSG not found")
  else()
    message(STATUS "OpenCSG found in " ${OPENCSG_LIBRARY})
  endif()
endif()
include_directories(${OPENCSG_INCLUDE_DIR})

# GLEW

if (NOT $ENV{MACOSX_DEPLOY_DIR} STREQUAL "")
  set(GLEW_DIR "$ENV{MACOSX_DEPLOY_DIR}")
endif()

find_package(GLEW REQUIRED)
include_directories(${GLEW_INCLUDE_PATH})

if(WIN32_STATIC_BUILD)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGLEW_STATIC")
endif()

# Flex/Bison
find_package(BISON)

if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
  # FreeBSD has an old flex in /usr/bin and a new flex in /usr/local/bin
  set(FLEX_EXECUTABLE /usr/local/bin/flex)
endif()

find_package(FLEX)
# The COMPILE_FLAGS and forced C++ compiler is just to be compatible with qmake
if (WIN32)
  set(FLEX_UNISTD_FLAG "-DYY_NO_UNISTD_H")
endif()
FLEX_TARGET(OpenSCADlexer ../src/lexer.l ${CMAKE_CURRENT_BINARY_DIR}/lexer.cpp COMPILE_FLAGS "-Plexer ${FLEX_UNISTD_FLAG}")
BISON_TARGET(OpenSCADparser ../src/parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser_yacc.c COMPILE_FLAGS "-p parser")
ADD_FLEX_BISON_DEPENDENCY(OpenSCADlexer OpenSCADparser)
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/parser_yacc.c PROPERTIES LANGUAGE "CXX")


# Internal includes
include_directories(../src)

add_definitions(-DOPENSCAD_VERSION=test -DOPENSCAD_YEAR=2011 -DOPENSCAD_MONTH=10)

set(CORE_SOURCES
  ../src/mathc99.cc
  ../src/handle_dep.cc 
  ../src/qhash.cc
  ../src/value.cc 
  ../src/expr.cc 
  ../src/func.cc 
  ../src/module.cc 
  ../src/node.cc 
  ../src/context.cc 
  ../src/csgterm.cc 
  ../src/polyset.cc 
  ../src/csgops.cc 
  ../src/transform.cc 
  ../src/color.cc 
  ../src/primitives.cc 
  ../src/projection.cc 
  ../src/cgaladv.cc 
  ../src/surface.cc 
  ../src/control.cc 
  ../src/render.cc 
  ../src/import.cc 
  ../src/dxfdata.cc 
  ../src/dxftess.cc 
  ../src/dxfdim.cc 
  ../src/linearextrude.cc 
  ../src/rotateextrude.cc 
  ../src/printutils.cc 
  ../src/progress.cc 
  ${FLEX_OpenSCADlexer_OUTPUTS}
  ${BISON_OpenSCADparser_OUTPUTS})

set(COMMON_SOURCES
  ${CORE_SOURCES}
  ../src/export.cc 
  ../src/nodedumper.cc 
  ../src/traverser.cc 
  ../src/PolySetEvaluator.cc 
  ../src/PolySetCache.cc 
  ../src/Tree.cc
  lodepng.cpp
  ${FLEX_OpenSCADlexer_OUTPUTS}
  ${BISON_OpenSCADparser_OUTPUTS})

#
# echotest
#
add_executable(echotest echotest.cc ${CORE_SOURCES})
target_link_libraries(echotest ${QT_LIBRARIES} ${OPENGL_LIBRARY})

#
# Offscreen OpenGL context source code
#
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
	message(STATUS "Offscreen OpenGL Context - using Apple CGL")
	set(OFFSCREEN_CTX_SOURCE "OffscreenContext.mm")
elseif(UNIX)
	message(STATUS "Offscreen OpenGL Context - using Unix GLX")
	set(OFFSCREEN_CTX_SOURCE "OffscreenContext.cc")
elseif(WIN32)
	message(STATUS "Offscreen OpenGL Context - using Microsoft WGL")
	set(OFFSCREEN_CTX_SOURCE "OffscreenContextWGL.cc")
endif()

#
# Yangli Hector Yee's PerceptualDiff code
#

add_executable(yee_compare yee_compare.cpp lodepng.cpp)

#
# dumptest
#
add_executable(dumptest dumptest.cc ${COMMON_SOURCES})
target_link_libraries(dumptest ${QT_LIBRARIES} ${OPENGL_LIBRARY})

#
# csgtexttest
#
add_executable(csgtexttest csgtexttest.cc CSGTextRenderer.cc CSGTextCache.cc ../src/qhash.cc ${COMMON_SOURCES})
target_link_libraries(csgtexttest ${QT_LIBRARIES} ${OPENGL_LIBRARY})

#
# csgtermtest
#
add_executable(csgtermtest csgtermtest.cc ../src/CSGTermEvaluator.cc ${COMMON_SOURCES})
target_link_libraries(csgtermtest ${QT_LIBRARIES} ${OPENGL_LIBRARY})

if (NOT $ENV{MACOSX_DEPLOY_DIR} STREQUAL "")
  set(CGAL_DIR "$ENV{MACOSX_DEPLOY_DIR}/lib/CGAL")
  set(CMAKE_MODULE_PATH "${CGAL_DIR}")
endif()
find_package(CGAL REQUIRED)
include_directories(${CGAL_INCLUDE_DIRS})

#
# cgaltest
#
add_executable(cgaltest cgaltest.cc ../src/CGAL_Nef_polyhedron.cc ../src/cgalutils.cc ../src/CSGTermEvaluator.cc 
                        ../src/CGALEvaluator.cc ../src/CGALCache.cc ../src/PolySetCGALEvaluator.cc ../src/qhash.cc
                        ../src/CGAL_Nef_polyhedron_DxfData.cc ../src/cgaladv_minkowski2.cc ../src/cgaladv_convexhull2.cc
                        ${COMMON_SOURCES})
set_target_properties(cgaltest PROPERTIES COMPILE_FLAGS "-DENABLE_CGAL ${CGAL_CXX_FLAGS_INIT}")
target_link_libraries(cgaltest ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES} ${OPENGL_LIBRARY})

#
# cgalpngtest
#
add_executable(cgalpngtest cgalpngtest.cc OffscreenView.cc bboxhelp.cc ${OFFSCREEN_CTX_SOURCE} imageutils.cc fbo.cc system-gl.cc
                           ../src/CGALRenderer.cc ../src/CGAL_Nef_polyhedron.cc ../src/cgalutils.cc
                           ../src/CSGTermEvaluator.cc ../src/CGALEvaluator.cc ../src/CGALCache.cc
                           ../src/PolySetCGALEvaluator.cc ../src/qhash.cc
                           ../src/CGAL_Nef_polyhedron_DxfData.cc ../src/cgaladv_minkowski2.cc ../src/cgaladv_convexhull2.cc
                           ${COMMON_SOURCES})
set_target_properties(cgalpngtest PROPERTIES COMPILE_FLAGS "-DENABLE_CGAL ${CGAL_CXX_FLAGS_INIT}")
target_link_libraries(cgalpngtest ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES}  ${GLEW_LIBRARY} ${COCOA_LIBRARY} ${OPENGL_LIBRARY})

#
# opencsgtest
#

add_executable(opencsgtest opencsgtest.cc csgtestcore.cc OffscreenView.cc ${OFFSCREEN_CTX_SOURCE} imageutils.cc fbo.cc system-gl.cc
                           ../src/OpenCSGRenderer.cc ../src/ThrownTogetherRenderer.cc
                           ../src/CSGTermEvaluator.cc ../src/CGAL_Nef_polyhedron.cc ../src/cgalutils.cc
                           ../src/CGALEvaluator.cc ../src/CGALCache.cc ../src/PolySetCGALEvaluator.cc ../src/qhash.cc
                           ../src/CGAL_Nef_polyhedron_DxfData.cc ../src/cgaladv_minkowski2.cc ../src/cgaladv_convexhull2.cc
                           ${COMMON_SOURCES})
set_target_properties(opencsgtest PROPERTIES COMPILE_FLAGS "-DENABLE_OPENCSG -DENABLE_CGAL ${CGAL_CXX_FLAGS_INIT}")
target_link_libraries(opencsgtest ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES} ${OPENCSG_LIBRARY} ${GLEW_LIBRARY} ${COCOA_LIBRARY} ${OPENGL_LIBRARY})

#
# throwntogethertest
#

add_executable(throwntogethertest throwntogethertest.cc csgtestcore.cc OffscreenView.cc ${OFFSCREEN_CTX_SOURCE} imageutils.cc fbo.cc system-gl.cc
                           ../src/OpenCSGRenderer.cc ../src/ThrownTogetherRenderer.cc
                           ../src/CSGTermEvaluator.cc ../src/CGAL_Nef_polyhedron.cc ../src/cgalutils.cc
                           ../src/CGALEvaluator.cc ../src/CGALCache.cc ../src/PolySetCGALEvaluator.cc ../src/qhash.cc
                           ../src/CGAL_Nef_polyhedron_DxfData.cc ../src/cgaladv_minkowski2.cc ../src/cgaladv_convexhull2.cc 
                           ${COMMON_SOURCES})
set_target_properties(throwntogethertest PROPERTIES COMPILE_FLAGS "-DENABLE_OPENCSG -DENABLE_CGAL ${CGAL_CXX_FLAGS_INIT}")
target_link_libraries(throwntogethertest ${CGAL_LIBRARY} ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES} ${OPENCSG_LIBRARY} ${GLEW_LIBRARY} ${COCOA_LIBRARY} ${OPENGL_LIBRARY})


#
# This functions adds cmd-line tests given files.
# Files are sent as the parameters following TESTSUFFIX
#
find_package(PythonInterp)
function(add_cmdline_test TESTCMD TESTSUFFIX)
  get_filename_component(TESTCMD_NAME ${TESTCMD} NAME_WE)
  foreach (SCADFILE ${ARGN})
    get_filename_component(TESTNAME ${SCADFILE} NAME_WE)
    string(REPLACE " " "_" TESTNAME ${TESTNAME}) # Test names cannot include spaces
    add_test("${TESTCMD_NAME}_${TESTNAME}" ${PYTHON_EXECUTABLE} ${tests_SOURCE_DIR}/test_cmdline_tool.py -s ${TESTSUFFIX} ${CMAKE_BINARY_DIR}/${TESTCMD} "${SCADFILE}")
  endforeach()
endfunction()

enable_testing()

# Find all scad files
file(GLOB MINIMAL_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/minimal/*.scad)
file(GLOB FEATURES_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/features/*.scad)
file(GLOB BUGS_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/bugs/*.scad)
file(GLOB SCAD_DXF_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/dxf/*.scad)

list(APPEND ECHO_FILES
            ${CMAKE_SOURCE_DIR}/../testdata/scad/minimal/echo.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/echo-tests.scad)

# Add echotest tests to CTest
add_cmdline_test(echotest txt ${ECHO_FILES})
# Add dumptest tests to CTest
add_cmdline_test(dumptest txt ${MINIMAL_FILES})
# Add csgtexttest tests to CTest
add_cmdline_test(csgtexttest txt ${MINIMAL_FILES})
# Add csgtermtest tests to CTest
add_cmdline_test(csgtermtest txt ${MINIMAL_FILES})

# Add cgaltest tests to CTest
add_cmdline_test(cgaltest stl ${CGALTEST_FILES})

# Add cgalpngtest tests to CTest
LIST(APPEND CGALPNGTEST_FILES 
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/2d-3d.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/circle-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/square-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/polygon-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/cube-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/sphere-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/cylinder-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/polyhedron-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/union-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/difference-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/intersection-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/linear_extrude-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/rotate_extrude-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/minkowski2-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/minkowski3-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/hull2-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/surface-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/import_dxf-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/transform-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/color-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/background-modifier.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/highlight-modifier.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/root-modifier.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/disable-modifier.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/for-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/for-nested-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/intersection_for-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/render-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/projection-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/assign-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/include-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/child-tests.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/ifelse-tests.scad)
LIST(APPEND CGALPNGTEST_FILES ${SCAD_DXF_FILES})
#LIST(APPEND CGALPNGTEST_FILES ${CMAKE_SOURCE_DIR}/../examples/example001.scad)
add_cmdline_test(cgalpngtest png ${CGALPNGTEST_FILES})

# Add opencsg tests to CTest
LIST(APPEND OPENCSGTEST_FILES ${CGALPNGTEST_FILES})
LIST(APPEND OPENCSGTEST_FILES 
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/highlight-and-background-modifier.scad
            ${CMAKE_SOURCE_DIR}/../testdata/scad/features/child-background.scad)
LIST(APPEND OPENCSGTEST_FILES ${SCAD_DXF_FILES})
add_cmdline_test(opencsgtest png ${OPENCSGTEST_FILES})

# Add throwntogether tests to CTest
LIST(APPEND THROWNTOGETHERTEST_FILES ${CGALPNGTEST_FILES})
add_cmdline_test(throwntogethertest png ${THROWNTOGETHERTEST_FILES})

# Add dxfexport tests to CTest
add_cmdline_test(${CMAKE_SOURCE_DIR}/../test-code/exportdxf dxf ${SCAD_FILES})