Add m-esr52 at 52.6.0

1 files changed, 378 insertions, 0 deletions

diff --git a/python/bitstring/test/test_bits.py b/python/bitstring/test/test_bits.py
new file mode 100644
index 000000000..402c03899
--- /dev/null
+++ b/python/bitstring/test/test_bits.py
@@ -0,0 +1,378 @@
+#!/usr/bin/env python
+
+import unittest
+import sys
+
+sys.path.insert(0, '..')
+import bitstring
+from bitstring import MmapByteArray
+from bitstring import Bits, BitArray, ConstByteStore, ByteStore
+
+class Creation(unittest.TestCase):
+    def testCreationFromBytes(self):
+        s = Bits(bytes=b'\xa0\xff')
+        self.assertEqual((s.len, s.hex), (16, 'a0ff'))
+        s = Bits(bytes=b'abc', length=0)
+        self.assertEqual(s, '')
+
+    def testCreationFromBytesErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, bytes=b'abc', length=25)
+
+    def testCreationFromDataWithOffset(self):
+        s1 = Bits(bytes=b'\x0b\x1c\x2f', offset=0, length=20)
+        s2 = Bits(bytes=b'\xa0\xb1\xC2', offset=4)
+        self.assertEqual((s2.len, s2.hex), (20, '0b1c2'))
+        self.assertEqual((s1.len, s1.hex), (20, '0b1c2'))
+        self.assertTrue(s1 == s2)
+
+    def testCreationFromHex(self):
+        s = Bits(hex='0xA0ff')
+        self.assertEqual((s.len, s.hex), (16, 'a0ff'))
+        s = Bits(hex='0x0x0X')
+        self.assertEqual((s.length, s.hex), (0, ''))
+
+    def testCreationFromHexWithWhitespace(self):
+        s = Bits(hex='  \n0 X a  4e       \r3  \n')
+        self.assertEqual(s.hex, 'a4e3')
+
+    def testCreationFromHexErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, hex='0xx0')
+        self.assertRaises(bitstring.CreationError, Bits, hex='0xX0')
+        self.assertRaises(bitstring.CreationError, Bits, hex='0Xx0')
+        self.assertRaises(bitstring.CreationError, Bits, hex='-2e')
+        # These really should fail, but it's awkward and not a big deal...
+#        self.assertRaises(bitstring.CreationError, Bits, '0x2', length=2)
+#        self.assertRaises(bitstring.CreationError, Bits, '0x3', offset=1)
+
+    def testCreationFromBin(self):
+        s = Bits(bin='1010000011111111')
+        self.assertEqual((s.length, s.hex), (16, 'a0ff'))
+        s = Bits(bin='00')[:1]
+        self.assertEqual(s.bin, '0')
+        s = Bits(bin=' 0000 \n 0001\r ')
+        self.assertEqual(s.bin, '00000001')
+
+    def testCreationFromBinWithWhitespace(self):
+        s = Bits(bin='  \r\r\n0   B    00   1 1 \t0 ')
+        self.assertEqual(s.bin, '00110')
+
+    def testCreationFromOctErrors(self):
+        s = Bits('0b00011')
+        self.assertRaises(bitstring.InterpretError, s._getoct)
+        self.assertRaises(bitstring.CreationError, s._setoct, '8')
+
+    def testCreationFromUintWithOffset(self):
+        self.assertRaises(bitstring.Error, Bits, uint=12, length=8, offset=1)
+
+    def testCreationFromUintErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, uint=-1, length=10)
+        self.assertRaises(bitstring.CreationError, Bits, uint=12)
+        self.assertRaises(bitstring.CreationError, Bits, uint=4, length=2)
+        self.assertRaises(bitstring.CreationError, Bits, uint=0, length=0)
+        self.assertRaises(bitstring.CreationError, Bits, uint=12, length=-12)
+
+    def testCreationFromInt(self):
+        s = Bits(int=0, length=4)
+        self.assertEqual(s.bin, '0000')
+        s = Bits(int=1, length=2)
+        self.assertEqual(s.bin, '01')
+        s = Bits(int=-1, length=11)
+        self.assertEqual(s.bin, '11111111111')
+        s = Bits(int=12, length=7)
+        self.assertEqual(s.int, 12)
+        s = Bits(int=-243, length=108)
+        self.assertEqual((s.int, s.length), (-243, 108))
+        for length in range(6, 10):
+            for value in range(-17, 17):
+                s = Bits(int=value, length=length)
+                self.assertEqual((s.int, s.length), (value, length))
+        s = Bits(int=10, length=8)
+
+    def testCreationFromIntErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, int=-1, length=0)
+        self.assertRaises(bitstring.CreationError, Bits, int=12)
+        self.assertRaises(bitstring.CreationError, Bits, int=4, length=3)
+        self.assertRaises(bitstring.CreationError, Bits, int=-5, length=3)
+
+    def testCreationFromSe(self):
+        for i in range(-100, 10):
+            s = Bits(se=i)
+            self.assertEqual(s.se, i)
+
+    def testCreationFromSeWithOffset(self):
+        self.assertRaises(bitstring.CreationError, Bits, se=-13, offset=1)
+
+    def testCreationFromSeErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, se=-5, length=33)
+        s = Bits(bin='001000')
+        self.assertRaises(bitstring.InterpretError, s._getse)
+
+    def testCreationFromUe(self):
+        [self.assertEqual(Bits(ue=i).ue, i) for i in range(0, 20)]
+
+    def testCreationFromUeWithOffset(self):
+        self.assertRaises(bitstring.CreationError, Bits, ue=104, offset=2)
+
+    def testCreationFromUeErrors(self):
+        self.assertRaises(bitstring.CreationError, Bits, ue=-1)
+        self.assertRaises(bitstring.CreationError, Bits, ue=1, length=12)
+        s = Bits(bin='10')
+        self.assertRaises(bitstring.InterpretError, s._getue)
+
+    def testCreationFromBool(self):
+        a = Bits('bool=1')
+        self.assertEqual(a, 'bool=1')
+        b = Bits('bool=0')
+        self.assertEqual(b, [0])
+        c = bitstring.pack('2*bool', 0, 1)
+        self.assertEqual(c, '0b01')
+
+    def testCreationKeywordError(self):
+        self.assertRaises(bitstring.CreationError, Bits, squirrel=5)
+
+    def testDataStoreType(self):
+        a = Bits('0xf')
+        self.assertEqual(type(a._datastore), bitstring.ConstByteStore)
+
+
+class Initialisation(unittest.TestCase):
+    def testEmptyInit(self):
+        a = Bits()
+        self.assertEqual(a, '')
+
+    def testNoPos(self):
+        a = Bits('0xabcdef')
+        try:
+            a.pos
+        except AttributeError:
+            pass
+        else:
+            assert False
+
+    def testFind(self):
+        a = Bits('0xabcd')
+        r = a.find('0xbc')
+        self.assertEqual(r[0], 4)
+        r = a.find('0x23462346246', bytealigned=True)
+        self.assertFalse(r)
+
+    def testRfind(self):
+        a = Bits('0b11101010010010')
+        b = a.rfind('0b010')
+        self.assertEqual(b[0], 11)
+
+    def testFindAll(self):
+        a = Bits('0b0010011')
+        b = list(a.findall([1]))
+        self.assertEqual(b, [2, 5, 6])
+
+
+class Cut(unittest.TestCase):
+    def testCut(self):
+        s = Bits(30)
+        for t in s.cut(3):
+            self.assertEqual(t, [0] * 3)
+
+
+class InterleavedExpGolomb(unittest.TestCase):
+    def testCreation(self):
+        s1 = Bits(uie=0)
+        s2 = Bits(uie=1)
+        self.assertEqual(s1, [1])
+        self.assertEqual(s2, [0, 0, 1])
+        s1 = Bits(sie=0)
+        s2 = Bits(sie=-1)
+        s3 = Bits(sie=1)
+        self.assertEqual(s1, [1])
+        self.assertEqual(s2, [0, 0, 1, 1])
+        self.assertEqual(s3, [0, 0, 1, 0])
+
+    def testCreationFromProperty(self):
+        s = BitArray()
+        s.uie = 45
+        self.assertEqual(s.uie, 45)
+        s.sie = -45
+        self.assertEqual(s.sie, -45)
+
+    def testInterpretation(self):
+        for x in range(101):
+            self.assertEqual(Bits(uie=x).uie, x)
+        for x in range(-100, 100):
+            self.assertEqual(Bits(sie=x).sie, x)
+
+    def testErrors(self):
+        for f in ['sie=100, 0b1001', '0b00', 'uie=100, 0b1001']:
+            s = Bits(f)
+            self.assertRaises(bitstring.InterpretError, s._getsie)
+            self.assertRaises(bitstring.InterpretError, s._getuie)
+        self.assertRaises(ValueError, Bits, 'uie=-10')
+
+
+class FileBased(unittest.TestCase):
+    def setUp(self):
+        self.a = Bits(filename='smalltestfile')
+        self.b = Bits(filename='smalltestfile', offset=16)
+        self.c = Bits(filename='smalltestfile', offset=20, length=16)
+        self.d = Bits(filename='smalltestfile', offset=20, length=4)
+
+    def testCreationWithOffset(self):
+        self.assertEqual(self.a, '0x0123456789abcdef')
+        self.assertEqual(self.b, '0x456789abcdef')
+        self.assertEqual(self.c, '0x5678')
+
+    def testBitOperators(self):
+        x = self.b[4:20]
+        self.assertEqual(x, '0x5678')
+        self.assertEqual((x & self.c).hex, self.c.hex)
+        self.assertEqual(self.c ^ self.b[4:20], 16)
+        self.assertEqual(self.a[23:36] | self.c[3:], self.c[3:])
+
+    def testAddition(self):
+        h = self.d + '0x1'
+        x = self.a[20:24] + self.c[-4:] + self.c[8:12]
+        self.assertEqual(x, '0x587')
+        x = self.b + x
+        self.assertEqual(x.hex, '456789abcdef587')
+        x = BitArray(x)
+        del x[12:24]
+        self.assertEqual(x, '0x456abcdef587')
+        
+class Mmap(unittest.TestCase):
+    def setUp(self):
+        self.f = open('smalltestfile', 'rb')
+
+    def tearDown(self):
+        self.f.close()
+
+    def testByteArrayEquivalence(self):
+        a = MmapByteArray(self.f)
+        self.assertEqual(a.bytelength, 8)
+        self.assertEqual(len(a), 8)
+        self.assertEqual(a[0], 0x01)
+        self.assertEqual(a[1], 0x23)
+        self.assertEqual(a[7], 0xef)
+        self.assertEqual(a[0:1], bytearray([1]))
+        self.assertEqual(a[:], bytearray([0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]))
+        self.assertEqual(a[2:4], bytearray([0x45, 0x67]))
+
+    def testWithLength(self):
+        a = MmapByteArray(self.f, 3)
+        self.assertEqual(a[0], 0x01)
+        self.assertEqual(len(a), 3)
+
+    def testWithOffset(self):
+        a = MmapByteArray(self.f, None, 5)
+        self.assertEqual(len(a), 3)
+        self.assertEqual(a[0], 0xab)
+
+    def testWithLengthAndOffset(self):
+        a = MmapByteArray(self.f, 3, 3)
+        self.assertEqual(len(a), 3)
+        self.assertEqual(a[0], 0x67)
+        self.assertEqual(a[:], bytearray([0x67, 0x89, 0xab]))
+
+
+class Comparisons(unittest.TestCase):
+    def testUnorderable(self):
+        a = Bits(5)
+        b = Bits(5)
+        self.assertRaises(TypeError, a.__lt__, b)
+        self.assertRaises(TypeError, a.__gt__, b)
+        self.assertRaises(TypeError, a.__le__, b)
+        self.assertRaises(TypeError, a.__ge__, b)
+
+
+class Subclassing(unittest.TestCase):
+
+    def testIsInstance(self):
+        class SubBits(bitstring.Bits): pass
+        a = SubBits()
+        self.assertTrue(isinstance(a, SubBits))
+
+    def testClassType(self):
+        class SubBits(bitstring.Bits): pass
+        self.assertEqual(SubBits().__class__, SubBits)
+
+
+class LongBoolConversion(unittest.TestCase):
+
+    def testLongBool(self):
+        a = Bits(1000)
+        b = bool(a)
+        self.assertTrue(b is False)
+
+
+# Some basic tests for the private ByteStore classes
+
+class ConstByteStoreCreation(unittest.TestCase):
+
+    def testProperties(self):
+        a = ConstByteStore(bytearray(b'abc'))
+        self.assertEqual(a.bytelength, 3)
+        self.assertEqual(a.offset, 0)
+        self.assertEqual(a.bitlength, 24)
+        self.assertEqual(a._rawarray, b'abc')
+
+    def testGetBit(self):
+        a = ConstByteStore(bytearray([0x0f]))
+        self.assertEqual(a.getbit(0), False)
+        self.assertEqual(a.getbit(3), False)
+        self.assertEqual(a.getbit(4), True)
+        self.assertEqual(a.getbit(7), True)
+
+        b = ConstByteStore(bytearray([0x0f]), 7, 1)
+        self.assertEqual(b.getbit(2), False)
+        self.assertEqual(b.getbit(3), True)
+
+    def testGetByte(self):
+        a = ConstByteStore(bytearray(b'abcde'), 1, 13)
+        self.assertEqual(a.getbyte(0), 97)
+        self.assertEqual(a.getbyte(1), 98)
+        self.assertEqual(a.getbyte(4), 101)
+
+
+class PadToken(unittest.TestCase):
+
+    def testCreation(self):
+        a = Bits('pad:10')
+        self.assertEqual(a, Bits(10))
+        b = Bits('pad:0')
+        self.assertEqual(b, Bits())
+        c = Bits('0b11, pad:1, 0b111')
+        self.assertEqual(c, Bits('0b110111'))
+
+    def testPack(self):
+        s = bitstring.pack('0b11, pad:3=5, 0b1')
+        self.assertEqual(s.bin, '110001')
+        d = bitstring.pack('pad:c', c=12)
+        self.assertEqual(d, Bits(12))
+        e = bitstring.pack('0xf, uint:12, pad:1, bin, pad:4, 0b10', 0, '111')
+        self.assertEqual(e.bin, '11110000000000000111000010')
+
+    def testUnpack(self):
+        s = Bits('0b111000111')
+        x, y = s.unpack('3, pad:3, 3')
+        self.assertEqual((x, y), (7, 7))
+        x, y = s.unpack('2, pad:2, bin')
+        self.assertEqual((x, y), (3, '00111'))
+        x = s.unpack('pad:1, pad:2, pad:3')
+        self.assertEqual(x, [])
+
+
+class ModifiedByAddingBug(unittest.TestCase):
+
+    def testAdding(self):
+        a = Bits('0b0')
+        b = Bits('0b11')
+        c = a + b
+        self.assertEqual(c, '0b011')
+        self.assertEqual(a, '0b0')
+        self.assertEqual(b, '0b11')
+
+    def testAdding2(self):
+        a = Bits(100)
+        b = Bits(101)
+        c = a + b
+        self.assertEqual(a, 100)
+        self.assertEqual(b, 101)
+        self.assertEqual(c, 201)