1 files changed, 97 insertions, 0 deletions
diff --git a/python/bitstring/test/test_bitstring.py b/python/bitstring/test/test_bitstring.py
new file mode 100644
index 0000000000..1b52b7b808
--- /dev/null
+++ b/python/bitstring/test/test_bitstring.py
@@ -0,0 +1,97 @@
+#!/usr/bin/env python
+"""
+Module-level unit tests.
+"""
+
+import unittest
+import sys
+sys.path.insert(0, '..')
+import bitstring
+import copy
+
+
+class ModuleData(unittest.TestCase):
+    def testVersion(self):
+        self.assertEqual(bitstring.__version__, '3.1.3')
+
+    def testAll(self):
+        exported = ['ConstBitArray', 'ConstBitStream', 'BitStream', 'BitArray',
+                    'Bits', 'BitString', 'pack', 'Error', 'ReadError',
+                    'InterpretError', 'ByteAlignError', 'CreationError', 'bytealigned']
+        self.assertEqual(set(bitstring.__all__), set(exported))
+
+    def testReverseDict(self):
+        d = bitstring.BYTE_REVERSAL_DICT
+        for i in range(256):
+            a = bitstring.Bits(uint=i, length=8)
+            b = d[i]
+            self.assertEqual(a.bin[::-1], bitstring.Bits(bytes=b).bin)
+
+    def testAliases(self):
+        self.assertTrue(bitstring.Bits is bitstring.ConstBitArray)
+        self.assertTrue(bitstring.BitStream is bitstring.BitString)
+
+
+class MemoryUsage(unittest.TestCase):
+    def testBaselineMemory(self):
+        try:
+            import pympler.asizeof.asizeof as size
+        except ImportError:
+            return
+        # These values might be platform dependent, so don't fret too much.
+        self.assertEqual(size(bitstring.ConstBitStream([0])), 64)
+        self.assertEqual(size(bitstring.Bits([0])), 64)
+        self.assertEqual(size(bitstring.BitStream([0])), 64)
+        self.assertEqual(size(bitstring.BitArray([0])), 64)
+        from bitstring.bitstore import ByteStore
+        self.assertEqual(size(ByteStore(bytearray())), 100)
+
+
+class Copy(unittest.TestCase):
+    def testConstBitArrayCopy(self):
+        import copy
+        cba = bitstring.Bits(100)
+        cba_copy = copy.copy(cba)
+        self.assertTrue(cba is cba_copy)
+
+    def testBitArrayCopy(self):
+        ba = bitstring.BitArray(100)
+        ba_copy = copy.copy(ba)
+        self.assertFalse(ba is ba_copy)
+        self.assertFalse(ba._datastore is ba_copy._datastore)
+        self.assertTrue(ba == ba_copy)
+
+    def testConstBitStreamCopy(self):
+        cbs = bitstring.ConstBitStream(100)
+        cbs.pos = 50
+        cbs_copy = copy.copy(cbs)
+        self.assertEqual(cbs_copy.pos, 0)
+        self.assertTrue(cbs._datastore is cbs_copy._datastore)
+        self.assertTrue(cbs == cbs_copy)
+
+    def testBitStreamCopy(self):
+        bs = bitstring.BitStream(100)
+        bs.pos = 50
+        bs_copy = copy.copy(bs)
+        self.assertEqual(bs_copy.pos, 0)
+        self.assertFalse(bs._datastore is bs_copy._datastore)
+        self.assertTrue(bs == bs_copy)
+
+
+class Interning(unittest.TestCase):
+    def testBits(self):
+        a = bitstring.Bits('0xf')
+        b = bitstring.Bits('0xf')
+        self.assertTrue(a is b)
+        c = bitstring.Bits('0b1111')
+        self.assertFalse(a is c)
+
+    def testCBS(self):
+        a = bitstring.ConstBitStream('0b11000')
+        b = bitstring.ConstBitStream('0b11000')
+        self.assertFalse(a is b)
+    #        self.assertTrue(a._datastore is b._datastore)
+        
+        
+        
+        
+\ No newline at end of file