#
#  SelfTest/Hash/MD2.py: Self-test for the MD2 hash function
#
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
#
# ===================================================================
# The contents of this file are dedicated to the public domain.  To
# the extent that dedication to the public domain is not available,
# everyone is granted a worldwide, perpetual, royalty-free,
# non-exclusive license to exercise all rights associated with the
# contents of this file for any purpose whatsoever.
# No rights are reserved.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# ===================================================================

"""Self-test suite for Crypto.Hash.MD2"""

from Crypto.Hash import MD2
from Crypto.SelfTest.Hash.common import make_hash_tests

# This is a list of (expected_result, input[, description]) tuples.
test_data = [
    # Test vectors from RFC 1319
    ("8350e5a3e24c153df2275c9f80692773", "", "'' (empty string)"),
    ("32ec01ec4a6dac72c0ab96fb34c0b5d1", "a"),
    ("da853b0d3f88d99b30283a69e6ded6bb", "abc"),
    ("ab4f496bfb2a530b219ff33031fe06b0", "message digest"),
    ("4e8ddff3650292ab5a4108c3aa47940b", "abcdefghijklmnopqrstuvwxyz", "a-z"),
    (
        "da33def2a42df13975352846c30338cd",
        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
        "A-Z, a-z, 0-9",
    ),
    (
        "d5976f79d83d3a0dc9806c3c66f3efd8",
        "1234567890123456789012345678901234567890123456" + "7890123456789012345678901234567890",
        "'1234567890' * 8",
    ),
]


TestVectors = make_hash_tests(MD2, "MD2", test_data, digest_size=16, oid="1.2.840.113549.2.2")


class TestCopy:
    def test_copy(self):
        h1 = MD2.new(b"abc")
        h2 = h1.copy()
        # The copy is independent of the original
        h1.update(b"def")
        assert h2.digest() == MD2.new(b"abc").digest()
        h2.update(b"def")
        assert h1.digest() == h2.digest() == MD2.new(b"abcdef").digest()