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  3. Crypto.Util.number.exact_div()

Python Crypto.Util.number 模块，exact_div() 实例源码

我们从Python开源项目中，提取了以下26个代码示例，用于说明如何使用Crypto.Util.number.exact_div()。

项目：hostapd-mana    作者：adde88    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：hostapd-mana    作者：adde88    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：watchmen    作者：lycclsltt    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：watchmen    作者：lycclsltt    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：aws-cfn-plex    作者：lordmuffin    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：aws-cfn-plex    作者：lordmuffin    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：git_intgrtn_aws_s3    作者：droidlabour    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：git_intgrtn_aws_s3    作者：droidlabour    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：MCSManager-fsmodule    作者：Suwings    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：MCSManager-fsmodule    作者：Suwings    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：PyMal    作者：cysinfo    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：PyMal    作者：cysinfo    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：SublimeRemoteGDB    作者：summerwinter    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：SublimeRemoteGDB    作者：summerwinter    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：sslstrip-hsts-openwrt    作者：adde88    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：sslstrip-hsts-openwrt    作者：adde88    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：Encryped-file-system    作者：kittenish    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：Encryped-file-system    作者：kittenish    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：isf    作者：w3h    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：isf    作者：w3h    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：kekescan    作者：xiaoxiaoleo    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：kekescan    作者：xiaoxiaoleo    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：Repobot    作者：Desgard    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：Repobot    作者：Desgard    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)
项目：PyQYT    作者：collinsctk    | 项目源码 | 文件源码 
def __init__(self):
        self.counter = Counter.new(nbits=self.block_size*8, initial_value=0, little_endian=True)
        self.key = None

        # Set some helper constants
        self.block_size_shift = exact_log2(self.block_size)
        assert (1 << self.block_size_shift) == self.block_size

        self.blocks_per_key = exact_div(self.key_size, self.block_size)
        assert self.key_size == self.blocks_per_key * self.block_size

        self.max_bytes_per_request = self.max_blocks_per_request * self.block_size
项目：PyQYT    作者：collinsctk    | 项目源码 | 文件源码 
def test_exact_div(self):
        """Util.number.exact_div"""

        # Positive numbers
        self.assertEqual(1, number.exact_div(1, 1))
        self.assertRaises(ValueError, number.exact_div, 1, 2)
        self.assertEqual(1, number.exact_div(2, 2))
        self.assertRaises(ValueError, number.exact_div, 3, 2)
        self.assertEqual(2, number.exact_div(4, 2))

        # Negative numbers
        self.assertEqual(-1, number.exact_div(-1, 1))
        self.assertEqual(-1, number.exact_div(1, -1))
        self.assertRaises(ValueError, number.exact_div, -1, 2)
        self.assertEqual(1, number.exact_div(-2, -2))
        self.assertEqual(-2, number.exact_div(-4, 2))

        # Zero dividend
        self.assertEqual(0, number.exact_div(0, 1))
        self.assertEqual(0, number.exact_div(0, 2))

        # Zero divisor (allow_divzero == False)
        self.assertRaises(ZeroDivisionError, number.exact_div, 0, 0)
        self.assertRaises(ZeroDivisionError, number.exact_div, 1, 0)

        # Zero divisor (allow_divzero == True)
        self.assertEqual(0, number.exact_div(0, 0, allow_divzero=True))
        self.assertRaises(ValueError, number.exact_div, 1, 0, allow_divzero=True)