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Add tests for too small/large sha256_str and md5_str buffers

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Rename `Expect` to `ExpectSha256` and `Expect2` to `ExpectMd5` for better readability.

Pass buffer size by template parameter to reduce duplicate source code.
This commit is contained in:
Robert Müller 2022-10-15 18:03:01 +02:00
parent a07c51b637
commit 0a6ad9cf9d
1 changed files with 40 additions and 12 deletions
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52
src/test/hash.cpp
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@ -3,9 +3,10 @@
#include <base/hash_ctxt.h>
#include <base/system.h>
static void Expect(SHA256_DIGEST Actual, const char *pWanted)
template<size_t BufferSize = SHA256_MAXSTRSIZE>
static void ExpectSha256(SHA256_DIGEST Actual, const char *pWanted)
{
char aActual[SHA256_MAXSTRSIZE];
char aActual[BufferSize];
sha256_str(Actual, aActual, sizeof(aActual));
EXPECT_STREQ(aActual, pWanted);
}
@ -13,15 +14,15 @@ static void Expect(SHA256_DIGEST Actual, const char *pWanted)
TEST(Hash, Sha256)
{
// https://en.wikipedia.org/w/index.php?title=SHA-2&oldid=840187620#Test_vectors
Expect(sha256("", 0), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
ExpectSha256(sha256("", 0), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
SHA256_CTX ctxt;
sha256_init(&ctxt);
Expect(sha256_finish(&ctxt), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
ExpectSha256(sha256_finish(&ctxt), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
// printf 'The quick brown fox jumps over the lazy dog.' | sha256sum
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
Expect(sha256(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c");
ExpectSha256(sha256(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c");
sha256_init(&ctxt);
sha256_update(&ctxt, "The ", 4);
@ -33,7 +34,20 @@ TEST(Hash, Sha256)
sha256_update(&ctxt, "the ", 4);
sha256_update(&ctxt, "lazy ", 5);
sha256_update(&ctxt, "dog.", 4);
Expect(sha256_finish(&ctxt), "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c");
ExpectSha256(sha256_finish(&ctxt), "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c");
}
TEST(Hash, Sha256ToStringSmallBuffer)
{
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
ExpectSha256<1>(sha256(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "");
ExpectSha256<16 + 1>(sha256(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "ef537f25c895bfa7");
}
TEST(Hash, Sha256ToStringLargeBuffer)
{
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
ExpectSha256<SHA256_MAXSTRSIZE + 64>(sha256(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c");
}
TEST(Hash, Sha256Eq)
@ -87,9 +101,10 @@ TEST(Hash, Sha256FromStr)
EXPECT_TRUE(sha256_from_str(&Sha256, "x123456789012345678901234567890123456789012345678901234567890123"));
}
static void Expect2(MD5_DIGEST Actual, const char *pWanted)
template<size_t BufferSize = MD5_MAXSTRSIZE>
static void ExpectMd5(MD5_DIGEST Actual, const char *pWanted)
{
char aActual[MD5_MAXSTRSIZE];
char aActual[BufferSize];
md5_str(Actual, aActual, sizeof(aActual));
EXPECT_STREQ(aActual, pWanted);
}
@ -97,14 +112,14 @@ static void Expect2(MD5_DIGEST Actual, const char *pWanted)
TEST(Hash, Md5)
{
// https://en.wikipedia.org/w/index.php?title=MD5&oldid=889664074#MD5_hashes
Expect2(md5("", 0), "d41d8cd98f00b204e9800998ecf8427e");
ExpectMd5(md5("", 0), "d41d8cd98f00b204e9800998ecf8427e");
MD5_CTX ctxt;
md5_init(&ctxt);
Expect2(md5_finish(&ctxt), "d41d8cd98f00b204e9800998ecf8427e");
ExpectMd5(md5_finish(&ctxt), "d41d8cd98f00b204e9800998ecf8427e");
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
Expect2(md5(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "e4d909c290d0fb1ca068ffaddf22cbd0");
ExpectMd5(md5(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "e4d909c290d0fb1ca068ffaddf22cbd0");
md5_init(&ctxt);
md5_update(&ctxt, "The ", 4);
@ -116,7 +131,20 @@ TEST(Hash, Md5)
md5_update(&ctxt, "the ", 4);
md5_update(&ctxt, "lazy ", 5);
md5_update(&ctxt, "dog.", 4);
Expect2(md5_finish(&ctxt), "e4d909c290d0fb1ca068ffaddf22cbd0");
ExpectMd5(md5_finish(&ctxt), "e4d909c290d0fb1ca068ffaddf22cbd0");
}
TEST(Hash, Md5ToStringSmallBuffer)
{
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
ExpectMd5<1>(md5(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "");
ExpectMd5<16 + 1>(md5(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "e4d909c290d0fb1c");
}
TEST(Hash, Md5ToStringLargeBuffer)
{
char QUICK_BROWN_FOX[] = "The quick brown fox jumps over the lazy dog.";
ExpectMd5<MD5_MAXSTRSIZE + 64>(md5(QUICK_BROWN_FOX, str_length(QUICK_BROWN_FOX)), "e4d909c290d0fb1ca068ffaddf22cbd0");
}
TEST(Hash, Md5Eq)