HashUtilTest.java

package org.openstack.atlas.util.crypto;

import java.security.NoSuchAlgorithmException;
import org.junit.Before;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;

public class HashUtilTest {

    byte[] expectedHash = new byte[]{(byte) 0xf0, (byte) 0xc6, (byte) 0x5c, (byte) 0xcc};

    public HashUtilTest() {
    }

    @Before
    public void setUp() {
    }

    @Test
    public void testsha1sum4bytesasHex() throws NoSuchAlgorithmException, IllegalArgumentException {
        String hex = HashUtil.sha1sumHex("354934".getBytes(), 0, 4);
        assertEquals("f0c65ccc", hex);
        nop();
    }

    @Test
    public void testsha1sum4bytes() throws NoSuchAlgorithmException, IllegalArgumentException {
        byte[] sha1sum;
        sha1sum = HashUtil.sha1sum("354934".getBytes(), 0, 4);
    }

    @Test
    public void testIfSingleDigitAccountsBreakSha1() throws NoSuchAlgorithmException, IllegalArgumentException {
        byte[] sha1sum;
        sha1sum = HashUtil.sha1sum("1".getBytes(), 0, 4);
        String sha1sumHex = HashUtil.sha1sumHex("1".getBytes(), 0, 4);
        nop();
    }

    private boolean BytesEqual(byte[] x, byte[] y) {
        int i;
        if (x.length != y.length) {
            return false;
        }

        for (i = 0; i < x.length; i++) {
            if (x[i] != y[i]) {
                return false;
            }
        }
        return true;
    }

    private void nop() {
    }
}