def test_bool_or_when_source_empty(self):
'''
The bool_or method should return false when called on an empty
BitPack.
'''
bp = BitPack(base64.encodestring(b'\x00\x01\x02'))
empty_pack = BitPack()
self.assertFalse(empty_pack.bool_or(bp))
self.assertFalse(empty_pack.bool_or(bp, 1))
def test_bool_or_with_empty_pack(self):
'''
The bool_or method should return true when called with an empty
BitPack as a parameter.
'''
bp = BitPack(base64.encodestring(b'\x00\x01\x02'))
empty_pack = BitPack()
self.assertTrue(bp.bool_or(empty_pack))
self.assertTrue(bp.bool_or(empty_pack, 1))
def test_bool_or_happy_path_all_zeros(self):
'''
The bool_or method should return false when both BitPacks
contain only zero bits.
'''
bp_all_zeros_1 = BitPack(base64.encodestring(b'\x00\x00\x00'))
bp_all_zeros_2 = BitPack(base64.encodestring(b'\x00\x00\x00'))
self.assertFalse(bp_all_zeros_1.bool_or(bp_all_zeros_2))
self.assertFalse(bp_all_zeros_2.bool_or(bp_all_zeros_1))
def test_bool_or_happy_path_with_one(self):
'''
The bool_or method should return true when either BitPack
contains a one bit.
'''
bp_all_zeros = BitPack(base64.encodestring(b'\x00\x00\x00'))
bp1 = BitPack(base64.encodestring(b'\x00\x01\x02'))
self.assertTrue(bp_all_zeros.bool_or(bp1))
self.assertTrue(bp1.bool_or(bp_all_zeros))
def test_bool_or_when_reading_past_data_boundary(self):
'''
The bool_or method should return false if the operation would
require reading past the data boundary.
'''
bp1 = BitPack(base64.encodestring(b'\x00\x01\x02'))
bp2 = BitPack(base64.encodestring(b'\x00\x01\x02\x04'))
bp3 = BitPack(base64.encodestring(b'\x00\x01\x02'))
self.assertFalse(bp1.bool_or(bp2))
self.assertFalse(bp1.bool_or(bp3, 1))
def test_bool_or_empty_pack_parameter_precendence(self):
'''
Returning true for an empty parameter should take precendence
over returning false for calling bool_or on an empty BitPack.
'''
bp1 = BitPack()
bp2 = BitPack()
self.assertTrue(bp1.bool_or(bp2))
def test_bool_or_contains_one_bit_by_offset(self):
'''
The bool_or method should return true when a one bit is
contained by offset.
'''
bp1 = BitPack(base64.encodestring(b'\x00\x00\x01\x00'))
bp2 = BitPack(base64.encodestring(b'\x00\x00'))
self.assertTrue(bp1.bool_or(bp2, 1))