[pygccxml-commit] SF.net SVN: pygccxml: [89] pyplusplus_dev/examples/pyboost_dev/unittests

[<rom...@us...>]

Revision: 89
Author:   roman_yakovenko
Date:     2006-05-14 01:11:18 -0700 (Sun, 14 May 2006)
ViewCVS:  http://svn.sourceforge.net/pygccxml/?rev=89&view=rev

Log Message:
-----------
adding new unittests for crc and randmo

Added Paths:
-----------
    pyplusplus_dev/examples/pyboost_dev/unittests/crc/
    pyplusplus_dev/examples/pyboost_dev/unittests/crc/__init__.py
    pyplusplus_dev/examples/pyboost_dev/unittests/crc/unittests/
    pyplusplus_dev/examples/pyboost_dev/unittests/crc/unittests/test_all.py
    pyplusplus_dev/examples/pyboost_dev/unittests/random/
    pyplusplus_dev/examples/pyboost_dev/unittests/random/unittests/
Added: pyplusplus_dev/examples/pyboost_dev/unittests/crc/__init__.py
===================================================================
--- pyplusplus_dev/examples/pyboost_dev/unittests/crc/__init__.py	                        (rev 0)
+++ pyplusplus_dev/examples/pyboost_dev/unittests/crc/__init__.py	2006-05-14 08:11:18 UTC (rev 89)
@@ -0,0 +1,41 @@
+#! /usr/bin/python
+# Copyright 2004 Roman Yakovenko.
+# Distributed under the Boost Software License, Version 1.0. (See
+# accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import _crc_
+
+print dir( _crc_ )
+
+from _crc_ import crc_16_type as crc16
+from _crc_ import crc_32_type as crc32
+from _crc_ import crc_ccitt_type as crc_ccitt
+from _crc_ import fast_crc_type as fast_crc
+
+__optimal__ = [ crc16, crc32, crc_ccitt, fast_crc ]
+
+from _crc_ import crc_basic_1
+from _crc_ import crc_basic_16
+from _crc_ import crc_basic_3
+from _crc_ import crc_basic_32
+from _crc_ import crc_basic_7
+
+basic = { 
+      1 : crc_basic_1
+    , 3 : crc_basic_3
+    , 7 : crc_basic_7
+    , 16 : crc_basic_16
+    , 32 : crc_basic_32
+}
+
+__basic__ = basic.values()
+
+__all__ = __optimal__ + __basic__
+
+def process_bytes( self, data ):
+    for byte in data:
+        self.process_byte( byte )
+
+for cls in __all__:
+    cls.process_bytes = process_bytes
\ No newline at end of file

Added: pyplusplus_dev/examples/pyboost_dev/unittests/crc/unittests/test_all.py
===================================================================
--- pyplusplus_dev/examples/pyboost_dev/unittests/crc/unittests/test_all.py	                        (rev 0)
+++ pyplusplus_dev/examples/pyboost_dev/unittests/crc/unittests/test_all.py	2006-05-14 08:11:18 UTC (rev 89)
@@ -0,0 +1,90 @@
+#! /usr/bin/python
+# Copyright 2004 Roman Yakovenko.
+# Distributed under the Boost Software License, Version 1.0. (See
+# accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import sys
+sys.path.append( '../..' )
+
+import unittest
+import crc
+
+class consts:
+    data = [ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39 ]
+    crc_ccitt_result = 0x29B1
+    crc_16_result = 0xBB3D
+    crc_32_result = 0xCBF43926
+
+class tester_t( unittest.TestCase ):
+    def __init__( self, *args ):
+        unittest.TestCase.__init__( self, *args )
+    
+    def fundamental_test( self, cls, data, expected ):
+        inst = cls()
+        inst.process_bytes( data )
+        print inst.checksum()
+        #self.failUnless( inst.checksum() == expected )
+        
+    def compute_test( self, fast_crc, slow_crc, expected ):
+        fast_crc.process_bytes( consts.data, len(consts.data) )
+        slow_crc.process_bytes( consts.data, len(consts.data) )
+    
+    def test( self ):
+        self.fundamental_test( crc.crc_ccitt, consts.data, consts.crc_ccitt_result )
+
+    def test_small_crc_3( self ):
+        #The CRC standard is a SDH/SONET Low Order LCAS control word with CRC-3
+        #taken from ITU-T G.707 (12/03) XIII.2.
+
+        #Four samples, each four bytes should all have a CRC of zero
+        samples = \
+        [
+            [ 0x3A, 0xC4, 0x08, 0x06 ],
+            [ 0x42, 0xC5, 0x0A, 0x41 ],
+            [ 0x4A, 0xC5, 0x08, 0x22 ],
+            [ 0x52, 0xC4, 0x08, 0x05 ]
+        ]
+
+        # Basic computer
+        tester1 = crc.basic[3]( 0x03 ) #same as crc.crc_basic_3
+    
+        tester1.process_bytes( samples[0] )
+        self.failUnless( tester1.checksum() == 0 )
+    
+        tester1.reset()
+        tester1.process_bytes( samples[1] )
+        self.failUnless( tester1.checksum() == 0 )
+    
+        tester1.reset()
+        tester1.process_bytes( samples[2] )
+        self.failUnless( tester1.checksum() == 0 )
+    
+        tester1.reset()
+        tester1.process_bytes( samples[3] )
+        self.failUnless( tester1.checksum() == 0 )
+    
+        # Optimal computer
+        #define PRIVATE_CRC_FUNC   boost::crc<3, 0x03, 0, 0, false, false>
+        #define PRIVATE_ACRC_FUNC  boost::augmented_crc<3, 0x03>
+    
+        #self.failUnless( 0 == PRIVATE_CRC_FUNC(samples[0], 4) )
+        #self.failUnless( 0 == PRIVATE_CRC_FUNC(samples[1], 4) )
+        #self.failUnless( 0 == PRIVATE_CRC_FUNC(samples[2], 4) )
+        #self.failUnless( 0 == PRIVATE_CRC_FUNC(samples[3], 4) )
+    
+        # maybe the fix to CRC functions needs to be applied to augmented CRCs?
+    
+        #undef PRIVATE_ACRC_FUNC
+        #undef PRIVATE_CRC_FUNC
+    
+def create_suite():
+    suite = unittest.TestSuite()    
+    suite.addTest( unittest.makeSuite(tester_t) )
+    return suite
+
+def run_suite():
+    unittest.TextTestRunner(verbosity=2).run( create_suite() )
+
+if __name__ == "__main__":
+    run_suite()


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