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# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import testtools
from kmip.core import exceptions
from kmip.core import primitives
from kmip.core import utils
class TestLongInteger(testtools.TestCase):
"""
Test suite for the LongInteger primitive.
"""
def setUp(self):
super(TestLongInteger, self).setUp()
def tearDown(self):
super(TestLongInteger, self).tearDown()
def test_init(self):
"""
Test that a LongInteger can be instantiated.
"""
long_int = primitives.LongInteger(1)
self.assertEqual(1, long_int.value)
def test_init_unset(self):
"""
Test that a LongInteger can be instantiated with no input.
"""
long_int = primitives.LongInteger()
self.assertEqual(0, long_int.value)
def test_init_on_max(self):
"""
Test that a LongInteger can be instantiated with the maximum possible
signed 64-bit value.
"""
primitives.LongInteger(primitives.LongInteger.MAX)
def test_init_on_min(self):
"""
Test that a LongInteger can be instantiated with the minimum possible
signed 64-bit value.
"""
primitives.LongInteger(primitives.LongInteger.MIN)
def test_validate_on_valid(self):
"""
Test that a LongInteger can be validated on good input.
"""
long_int = primitives.LongInteger(1)
long_int.validate()
def test_validate_on_valid_unset(self):
"""
Test that a LongInteger with no preset value can be validated.
"""
long_int = primitives.LongInteger()
long_int.validate()
def test_validate_on_invalid_type(self):
"""
Test that a TypeError is thrown on input of invalid type (e.g., str).
"""
self.assertRaises(TypeError, primitives.LongInteger, 'invalid')
def test_validate_on_invalid_value_too_big(self):
"""
Test that a ValueError is thrown on input that is too large.
"""
self.assertRaises(
ValueError, primitives.LongInteger, primitives.LongInteger.MAX + 1)
def test_validate_on_invalid_value_too_small(self):
"""
Test that a ValueError is thrown on input that is too small.
"""
self.assertRaises(
ValueError, primitives.LongInteger, primitives.LongInteger.MIN - 1)
def test_read_zero(self):
"""
Test that a LongInteger representing the value 0 can be read from a
byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00'
b'\x00')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger()
long_int.read(stream)
self.assertEqual(0, long_int.value)
def test_read_max_max(self):
"""
Test that a LongInteger representing the maximum positive value can be
read from a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x7f\xff\xff\xff\xff\xff\xff'
b'\xff')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger()
long_int.read(stream)
self.assertEqual(primitives.LongInteger.MAX, long_int.value)
def test_read_min_max(self):
"""
Test that a LongInteger representing the minimum positive value can be
read from a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00'
b'\x01')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger()
long_int.read(stream)
self.assertEqual(1, long_int.value)
def test_read_max_min(self):
"""
Test that a LongInteger representing the maximum negative value can be
read from a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\xff\xff\xff\xff\xff\xff\xff'
b'\xff')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger()
long_int.read(stream)
self.assertEqual(-1, long_int.value)
def test_read_min_min(self):
"""
Test that a LongInteger representing the minimum negative value can be
read from a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x80\x00\x00\x00\x00\x00\x00'
b'\x00')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger(primitives.LongInteger.MIN)
long_int.read(stream)
self.assertEqual(primitives.LongInteger.MIN, long_int.value)
def test_read_on_invalid_length(self):
"""
Test that an InvalidPrimitiveLength exception is thrown when attempting
to decode a LongInteger with an invalid length.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
b'\x00')
stream = utils.BytearrayStream(encoding)
long_int = primitives.LongInteger()
self.assertRaises(
exceptions.InvalidPrimitiveLength, long_int.read, stream)
def test_write_zero(self):
"""
Test that a LongInteger representing the value 0 can be written to a
byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00'
b'\x00')
stream = utils.BytearrayStream()
long_int = primitives.LongInteger(0)
long_int.write(stream)
result = stream.read()
self.assertEqual(len(encoding), len(result))
self.assertEqual(encoding, result)
def test_write_max_max(self):
"""
Test that a LongInteger representing the maximum positive value can be
written to a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x7f\xff\xff\xff\xff\xff\xff'
b'\xff')
stream = utils.BytearrayStream()
long_int = primitives.LongInteger(primitives.LongInteger.MAX)
long_int.write(stream)
result = stream.read()
self.assertEqual(len(encoding), len(result))
self.assertEqual(encoding, result)
def test_write_min_max(self):
"""
Test that a LongInteger representing the minimum positive value can be
written to a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00'
b'\x01')
stream = utils.BytearrayStream()
long_int = primitives.LongInteger(1)
long_int.write(stream)
result = stream.read()
self.assertEqual(len(encoding), len(result))
self.assertEqual(encoding, result)
def test_write_max_min(self):
"""
Test that a LongInteger representing the maximum negative value can be
written to a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\xff\xff\xff\xff\xff\xff\xff'
b'\xff')
stream = utils.BytearrayStream()
long_int = primitives.LongInteger(-1)
long_int.write(stream)
result = stream.read()
self.assertEqual(len(encoding), len(result))
self.assertEqual(encoding, result)
def test_write_min_min(self):
"""
Test that a LongInteger representing the minimum negative value can be
written to a byte stream.
"""
encoding = (
b'\x42\x00\x00\x03\x00\x00\x00\x08\x80\x00\x00\x00\x00\x00\x00'
b'\x00')
stream = utils.BytearrayStream()
long_int = primitives.LongInteger(primitives.LongInteger.MIN)
long_int.write(stream)
result = stream.read()
self.assertEqual(len(encoding), len(result))
self.assertEqual(encoding, result)
def test_repr(self):
"""
Test that the representation of a LongInteger is formatted properly.
"""
long_int = primitives.LongInteger()
value = "value={0}".format(long_int.value)
tag = "tag={0}".format(long_int.tag)
self.assertEqual(
"LongInteger({0}, {1})".format(value, tag), repr(long_int))
def test_str(self):
"""
Test that the string representation of a LongInteger is formatted
properly.
"""
self.assertEqual("0", str(primitives.LongInteger()))
def test_equal_on_equal(self):
"""
Test that the equality operator returns True when comparing two
LongIntegers.
"""
a = primitives.LongInteger(1)
b = primitives.LongInteger(1)
self.assertTrue(a == b)
self.assertTrue(b == a)
def test_equal_on_equal_and_empty(self):
"""
Test that the equality operator returns True when comparing two
LongIntegers.
"""
a = primitives.LongInteger()
b = primitives.LongInteger()
self.assertTrue(a == b)
self.assertTrue(b == a)
def test_equal_on_not_equal(self):
"""
Test that the equality operator returns False when comparing two
LongIntegers with different values.
"""
a = primitives.LongInteger(1)
b = primitives.LongInteger(2)
self.assertFalse(a == b)
self.assertFalse(b == a)
def test_equal_on_type_mismatch(self):
"""
Test that the equality operator returns False when comparing a
LongInteger to a non-LongInteger object.
"""
a = primitives.LongInteger()
b = 'invalid'
self.assertFalse(a == b)
self.assertFalse(b == a)
def test_not_equal_on_equal(self):
"""
Test that the inequality operator returns False when comparing
two LongIntegers with the same values.
"""
a = primitives.LongInteger(1)
b = primitives.LongInteger(1)
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_not_equal_on_equal_and_empty(self):
"""
Test that the inequality operator returns False when comparing
two LongIntegers.
"""
a = primitives.LongInteger()
b = primitives.LongInteger()
self.assertFalse(a != b)
self.assertFalse(b != a)
def test_not_equal_on_not_equal(self):
"""
Test that the inequality operator returns True when comparing two
LongIntegers with different values.
"""
a = primitives.LongInteger(1)
b = primitives.LongInteger(2)
self.assertTrue(a != b)
self.assertTrue(b != a)
def test_not_equal_on_type_mismatch(self):
"""
Test that the inequality operator returns True when comparing a
LongInteger to a non-LongInteger object.
"""
a = primitives.LongInteger()
b = 'invalid'
self.assertTrue(a != b)
self.assertTrue(b != a)
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