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LibCrypto: Add support for the POSIX cksum algorithm

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implicitfield 2024-01-17 21:15:25 +04:00 • committed by Ali Mohammad Pur
parent 459fa8b840
commit 05ee5ffa36
4 changed files with 150 additions and 0 deletions
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30
Tests/LibCrypto/TestChecksum.cpp
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@ -6,6 +6,7 @@
#include <LibCrypto/Checksum/Adler32.h>
#include <LibCrypto/Checksum/CRC32.h>
#include <LibCrypto/Checksum/cksum.h>
#include <LibTest/TestCase.h>
TEST_CASE(test_adler32)
@ -22,6 +23,35 @@ TEST_CASE(test_adler32)
do_test(ByteString("abcdefghijklmnopqrstuvwxyz").bytes(), 0x90860b20);
}
TEST_CASE(test_cksum)
{
auto do_test = [](ReadonlyBytes input, u32 expected_result) {
auto digest = Crypto::Checksum::cksum(input).digest();
EXPECT_EQ(digest, expected_result);
};
do_test(ByteString("").bytes(), 0xFFFFFFFF);
do_test(ByteString("The quick brown fox jumps over the lazy dog").bytes(), 0x7BAB9CE8);
do_test(ByteString("various CRC algorithms input data").bytes(), 0xEFB5CA4F);
}
TEST_CASE(test_cksum_atomic_digest)
{
auto compare = [](u32 digest, u32 expected_result) {
EXPECT_EQ(digest, expected_result);
};
Crypto::Checksum::cksum cksum;
cksum.update(ByteString("Well").bytes());
cksum.update(ByteString(" hello ").bytes());
cksum.digest();
cksum.update(ByteString("friends").bytes());
auto digest = cksum.digest();
compare(digest, 0x2D65C7E0);
}
TEST_CASE(test_crc32)
{
auto do_test = [](ReadonlyBytes input, u32 expected_result) {