Home | History | Annotate | Download | only in test 
      1 import unittest
      2 import sys
      3 from ctypes import *
      4 from ctypes.util import find_library
      5 from ctypes.test import is_resource_enabled
      6 
      7 if sys.platform == "win32":
      8     lib_gl = find_library("OpenGL32")
      9     lib_glu = find_library("Glu32")
     10     lib_gle = None
     11 elif sys.platform == "darwin":
     12     lib_gl = lib_glu = find_library("OpenGL")
     13     lib_gle = None
     14 else:
     15     lib_gl = find_library("GL")
     16     lib_glu = find_library("GLU")
     17     lib_gle = find_library("gle")
     18 
     19 ## print, for debugging
     20 if is_resource_enabled("printing"):
     21     if lib_gl or lib_glu or lib_gle:
     22         print "OpenGL libraries:"
     23         for item in (("GL", lib_gl),
     24                      ("GLU", lib_glu),
     25                      ("gle", lib_gle)):
     26             print "\t", item
     27 
     28 
     29 # On some systems, loading the OpenGL libraries needs the RTLD_GLOBAL mode.
     30 class Test_OpenGL_libs(unittest.TestCase):
     31     def setUp(self):
     32         self.gl = self.glu = self.gle = None
     33         if lib_gl:
     34             self.gl = CDLL(lib_gl, mode=RTLD_GLOBAL)
     35         if lib_glu:
     36             self.glu = CDLL(lib_glu, RTLD_GLOBAL)
     37         if lib_gle:
     38             try:
     39                 self.gle = CDLL(lib_gle)
     40             except OSError:
     41                 pass
     42 
     43     if lib_gl:
     44         def test_gl(self):
     45             if self.gl:
     46                 self.gl.glClearIndex
     47 
     48     if lib_glu:
     49         def test_glu(self):
     50             if self.glu:
     51                 self.glu.gluBeginCurve
     52 
     53     if lib_gle:
     54         def test_gle(self):
     55             if self.gle:
     56                 self.gle.gleGetJoinStyle
     57 
     58 ##if os.name == "posix" and sys.platform != "darwin":
     59 
     60 ##    # On platforms where the default shared library suffix is '.so',
     61 ##    # at least some libraries can be loaded as attributes of the cdll
     62 ##    # object, since ctypes now tries loading the lib again
     63 ##    # with '.so' appended of the first try fails.
     64 ##    #
     65 ##    # Won't work for libc, unfortunately.  OTOH, it isn't
     66 ##    # needed for libc since this is already mapped into the current
     67 ##    # process (?)
     68 ##    #
     69 ##    # On MAC OSX, it won't work either, because dlopen() needs a full path,
     70 ##    # and the default suffix is either none or '.dylib'.
     71 
     72 ##    class LoadLibs(unittest.TestCase):
     73 ##        def test_libm(self):
     74 ##            import math
     75 ##            libm = cdll.libm
     76 ##            sqrt = libm.sqrt
     77 ##            sqrt.argtypes = (c_double,)
     78 ##            sqrt.restype = c_double
     79 ##            self.assertEqual(sqrt(2), math.sqrt(2))
     80 
     81 if __name__ == "__main__":
     82     unittest.main()
     83