Add m-esr52 at 52.6.0

1 files changed, 310 insertions, 0 deletions

diff --git a/python/bitstring/test/test_bitarray.py b/python/bitstring/test/test_bitarray.py
new file mode 100644
index 000000000..b80f90617
--- /dev/null
+++ b/python/bitstring/test/test_bitarray.py
@@ -0,0 +1,310 @@
+#!/usr/bin/env python
+"""
+Unit tests for the bitarray module.
+"""
+
+import unittest
+import sys
+
+sys.path.insert(0, '..')
+import bitstring
+from bitstring import BitArray
+
+class All(unittest.TestCase):
+    def testCreationFromUint(self):
+        s = BitArray(uint=15, length=6)
+        self.assertEqual(s.bin, '001111')
+        s = BitArray(uint=0, length=1)
+        self.assertEqual(s.bin, '0')
+        s.uint = 1
+        self.assertEqual(s.uint, 1)
+        s = BitArray(length=8)
+        s.uint = 0
+        self.assertEqual(s.uint, 0)
+        s.uint = 255
+        self.assertEqual(s.uint, 255)
+        self.assertEqual(s.len, 8)
+        self.assertRaises(bitstring.CreationError, s._setuint, 256)
+
+    def testCreationFromOct(self):
+        s = BitArray(oct='7')
+        self.assertEqual(s.oct, '7')
+        self.assertEqual(s.bin, '111')
+        s.append('0o1')
+        self.assertEqual(s.bin, '111001')
+        s.oct = '12345670'
+        self.assertEqual(s.length, 24)
+        self.assertEqual(s.bin, '001010011100101110111000')
+        s = BitArray('0o123')
+        self.assertEqual(s.oct, '123')
+
+
+class NoPosAttribute(unittest.TestCase):
+    def testReplace(self):
+        s = BitArray('0b01')
+        s.replace('0b1', '0b11')
+        self.assertEqual(s, '0b011')
+
+    def testDelete(self):
+        s = BitArray('0b000000001')
+        del s[-1:]
+        self.assertEqual(s, '0b00000000')
+
+    def testInsert(self):
+        s = BitArray('0b00')
+        s.insert('0xf', 1)
+        self.assertEqual(s, '0b011110')
+
+    def testInsertParameters(self):
+        s = BitArray('0b111')
+        self.assertRaises(TypeError, s.insert, '0x4')
+
+    def testOverwrite(self):
+        s = BitArray('0b01110')
+        s.overwrite('0b000', 1)
+        self.assertEqual(s, '0b00000')
+
+    def testOverwriteParameters(self):
+        s = BitArray('0b0000')
+        self.assertRaises(TypeError, s.overwrite, '0b111')
+
+    def testPrepend(self):
+        s = BitArray('0b0')
+        s.prepend([1])
+        self.assertEqual(s, [1, 0])
+
+    def testRol(self):
+        s = BitArray('0b0001')
+        s.rol(1)
+        self.assertEqual(s, '0b0010')
+
+    def testRor(self):
+        s = BitArray('0b1000')
+        s.ror(1)
+        self.assertEqual(s, '0b0100')
+
+    def testSetItem(self):
+        s = BitArray('0b000100')
+        s[4:5] = '0xf'
+        self.assertEqual(s, '0b000111110')
+        s[0:1] = [1]
+        self.assertEqual(s, '0b100111110')
+
+
+class Bugs(unittest.TestCase):
+    def testAddingNonsense(self):
+        a = BitArray([0])
+        a += '0' # a uint of length 0 - so nothing gets added.
+        self.assertEqual(a, [0])
+        self.assertRaises(ValueError, a.__iadd__, '3')
+        self.assertRaises(ValueError, a.__iadd__, 'se')
+        self.assertRaises(ValueError, a.__iadd__, 'float:32')
+
+    def testPrependAfterCreationFromDataWithOffset(self):
+        s1 = BitArray(bytes=b'\x00\x00\x07\xff\xf0\x00', offset=21, length=15)
+        self.assertFalse(s1.any(0))
+        s1.prepend('0b0')
+        self.assertEqual(s1.bin, '0111111111111111')
+        s1.prepend('0b0')
+        self.assertEqual(s1.bin, '00111111111111111')
+
+
+class ByteAligned(unittest.TestCase):
+    def testDefault(self, defaultbytealigned=bitstring.bytealigned):
+        self.assertFalse(defaultbytealigned)
+
+    def testChangingIt(self):
+        bitstring.bytealigned = True
+        self.assertTrue(bitstring.bytealigned)
+        bitstring.bytealigned = False
+
+    def testNotByteAligned(self):
+        bitstring.bytealigned = False
+        a = BitArray('0x00 ff 0f f')
+        l = list(a.findall('0xff'))
+        self.assertEqual(l, [8, 20])
+        p = a.find('0x0f')[0]
+        self.assertEqual(p, 4)
+        p = a.rfind('0xff')[0]
+        self.assertEqual(p, 20)
+        s = list(a.split('0xff'))
+        self.assertEqual(s, ['0x00', '0xff0', '0xff'])
+        a.replace('0xff', '')
+        self.assertEqual(a, '0x000')
+
+    def testByteAligned(self):
+        bitstring.bytealigned = True
+        a = BitArray('0x00 ff 0f f')
+        l = list(a.findall('0xff'))
+        self.assertEqual(l, [8])
+        p = a.find('0x0f')[0]
+        self.assertEqual(p, 16)
+        p = a.rfind('0xff')[0]
+        self.assertEqual(p, 8)
+        s = list(a.split('0xff'))
+        self.assertEqual(s, ['0x00', '0xff0ff'])
+        a.replace('0xff', '')
+        self.assertEqual(a, '0x000ff')
+
+
+class SliceAssignment(unittest.TestCase):
+
+    def testSliceAssignmentSingleBit(self):
+        a = BitArray('0b000')
+        a[2] = '0b1'
+        self.assertEqual(a.bin, '001')
+        a[0] = BitArray(bin='1')
+        self.assertEqual(a.bin, '101')
+        a[-1] = '0b0'
+        self.assertEqual(a.bin, '100')
+        a[-3] = '0b0'
+        self.assertEqual(a.bin, '000')
+
+    def testSliceAssignmentSingleBitErrors(self):
+        a = BitArray('0b000')
+        self.assertRaises(IndexError, a.__setitem__, -4, '0b1')
+        self.assertRaises(IndexError, a.__setitem__, 3, '0b1')
+        self.assertRaises(TypeError, a.__setitem__, 1, 1.3)
+
+    def testSliceAssignmentMulipleBits(self):
+        a = BitArray('0b0')
+        a[0] = '0b110'
+        self.assertEqual(a.bin, '110')
+        a[0] = '0b000'
+        self.assertEqual(a.bin, '00010')
+        a[0:3] = '0b111'
+        self.assertEqual(a.bin, '11110')
+        a[-2:] = '0b011'
+        self.assertEqual(a.bin, '111011')
+        a[:] = '0x12345'
+        self.assertEqual(a.hex, '12345')
+        a[:] = ''
+        self.assertFalse(a)
+
+    def testSliceAssignmentMultipleBitsErrors(self):
+        a = BitArray()
+        self.assertRaises(IndexError, a.__setitem__, 0, '0b00')
+        a += '0b1'
+        a[0:2] = '0b11'
+        self.assertEqual(a, '0b11')
+
+    def testDelSliceStep(self):
+        a = BitArray(bin='100111101001001110110100101')
+        del a[::2]
+        self.assertEqual(a.bin, '0110010101100')
+        del a[3:9:3]
+        self.assertEqual(a.bin, '01101101100')
+        del a[2:7:1]
+        self.assertEqual(a.bin, '011100')
+        del a[::99]
+        self.assertEqual(a.bin, '11100')
+        del a[::1]
+        self.assertEqual(a.bin, '')
+
+    def testDelSliceNegativeStep(self):
+        a = BitArray('0b0001011101101100100110000001')
+        del a[5:23:-3]
+        self.assertEqual(a.bin, '0001011101101100100110000001')
+        del a[25:3:-3]
+        self.assertEqual(a.bin, '00011101010000100001')
+        del a[:6:-7]
+        self.assertEqual(a.bin, '000111010100010000')
+        del a[15::-2]
+        self.assertEqual(a.bin, '0010000000')
+        del a[::-1]
+        self.assertEqual(a.bin, '')
+
+    def testDelSliceErrors(self):
+        a = BitArray(10)
+        del a[5:3]
+        self.assertEqual(a, 10)
+        del a[3:5:-1]
+        self.assertEqual(a, 10)
+
+    def testDelSingleElement(self):
+        a = BitArray('0b0010011')
+        del a[-1]
+        self.assertEqual(a.bin, '001001')
+        del a[2]
+        self.assertEqual(a.bin, '00001')
+        try:
+            del a[5]
+            self.assertTrue(False)
+        except IndexError:
+            pass
+
+    def testSetSliceStep(self):
+        a = BitArray(bin='0000000000')
+        a[::2] = '0b11111'
+        self.assertEqual(a.bin, '1010101010')
+        a[4:9:3] = [0, 0]
+        self.assertEqual(a.bin, '1010001010')
+        a[7:3:-1] = [1, 1, 1, 0]
+        self.assertEqual(a.bin, '1010011110')
+        a[7:1:-2] = [0, 0, 1]
+        self.assertEqual(a.bin, '1011001010')
+        a[::-5] = [1, 1]
+        self.assertEqual(a.bin, '1011101011')
+        a[::-1] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
+        self.assertEqual(a.bin, '1000000000')
+
+    def testSetSliceErrors(self):
+        a = BitArray(8)
+        try:
+            a[::3] = [1]
+            self.assertTrue(False)
+        except ValueError:
+            pass
+        class A(object): pass
+        try:
+            a[1:2] = A()
+            self.assertTrue(False)
+        except TypeError:
+            pass
+        try:
+            a[1:4:-1] = [1, 2]
+            self.assertTrue(False)
+        except ValueError:
+            pass
+
+
+class Subclassing(unittest.TestCase):
+
+    def testIsInstance(self):
+        class SubBits(BitArray): pass
+        a = SubBits()
+        self.assertTrue(isinstance(a, SubBits))
+
+    def testClassType(self):
+        class SubBits(BitArray): pass
+        self.assertEqual(SubBits().__class__, SubBits)
+
+
+class Clear(unittest.TestCase):
+
+    def testClear(self):
+        s = BitArray('0xfff')
+        s.clear()
+        self.assertEqual(s.len, 0)
+
+
+class Copy(unittest.TestCase):
+
+    def testCopyMethod(self):
+        s = BitArray(9)
+        t = s.copy()
+        self.assertEqual(s, t)
+        t[0] = True
+        self.assertEqual(t.bin, '100000000')
+        self.assertEqual(s.bin, '000000000')
+
+
+class ModifiedByAddingBug(unittest.TestCase):
+
+    def testAdding(self):
+        a = BitArray('0b0')
+        b = BitArray('0b11')
+        c = a + b
+        self.assertEqual(c, '0b011')
+        self.assertEqual(a, '0b0')
+        self.assertEqual(b, '0b11')
\ No newline at end of file