allwpilib/src/test/native/cpp/sha1Test.cpp

/*
    test_sha1.cpp - test program of
 
    ============
    SHA-1 in C++
    ============
 
    100% Public Domain.
 
    Original C Code
        -- Steve Reid <steve@edmweb.com>
    Small changes to fit into bglibs
        -- Bruce Guenter <bruce@untroubled.org>
    Translation to simpler C++ Code
        -- Volker Grabsch <vog@notjusthosting.com>
*/

#include "support/sha1.h"

#include "gtest/gtest.h"

#include <string>

namespace wpi {

/*
 * The 3 test vectors from FIPS PUB 180-1
 */

TEST(SHA1Test, Standard1)
{
    SHA1 checksum;
    checksum.Update("abc");
    ASSERT_EQ(checksum.Final(), "a9993e364706816aba3e25717850c26c9cd0d89d");
}

TEST(SHA1Test, Standard2)
{
    SHA1 checksum;
    checksum.Update("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
    ASSERT_EQ(checksum.Final(), "84983e441c3bd26ebaae4aa1f95129e5e54670f1");
}

TEST(SHA1Test, Standard3)
{
    SHA1 checksum;
    // A million repetitions of 'a'
    for (int i = 0; i < 1000000/200; ++i)
    {
        checksum.Update("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
                        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
                        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
                        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
                       );
    }
    ASSERT_EQ(checksum.Final(), "34aa973cd4c4daa4f61eeb2bdbad27316534016f");
}


/*
 * Other tests
 */

TEST(SHA1Test, OtherNoString)
{
    SHA1 checksum;
    ASSERT_EQ(checksum.Final(), "da39a3ee5e6b4b0d3255bfef95601890afd80709");
}

TEST(SHA1Test, OtherEmptyString)
{
    SHA1 checksum;
    checksum.Update("");
    ASSERT_EQ(checksum.Final(), "da39a3ee5e6b4b0d3255bfef95601890afd80709");
}

TEST(SHA1Test, OtherABCDE)
{
    SHA1 checksum;
    checksum.Update("abcde");
    ASSERT_EQ(checksum.Final(), "03de6c570bfe24bfc328ccd7ca46b76eadaf4334");
}

TEST(SHA1Test, Concurrent)
{
    // Two concurrent checksum calculations
    SHA1 checksum1, checksum2;
    checksum1.Update("abc");
    ASSERT_EQ(checksum2.Final(), "da39a3ee5e6b4b0d3255bfef95601890afd80709"); /* "" */
    ASSERT_EQ(checksum1.Final(), "a9993e364706816aba3e25717850c26c9cd0d89d"); /* "abc" */
}

}  // namespace wpi