/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.util;
import org.junit.Test;
import org.spongycastle.util.Arrays;
import org.spongycastle.util.encoders.Hex;
import java.math.BigInteger;
import static org.junit.Assert.assertEquals;
/**
* @author Roman Mandeleil
* @since 17.05.14
*/
public class UtilsTest {
@Test
public void testGetValueShortString1() {
int aaa;
String expected = "123\u00b7(10^24)";
String result = Utils.getValueShortString(new BigInteger("123456789123445654363653463"));
assertEquals(expected, result);
}
@Test
public void testGetValueShortString2() {
String expected = "123\u00b7(10^3)";
String result = Utils.getValueShortString(new BigInteger("123456"));
assertEquals(expected, result);
}
@Test
public void testGetValueShortString3() {
String expected = "1\u00b7(10^3)";
String result = Utils.getValueShortString(new BigInteger("1234"));
assertEquals(expected, result);
}
@Test
public void testGetValueShortString4() {
String expected = "123\u00b7(10^0)";
String result = Utils.getValueShortString(new BigInteger("123"));
assertEquals(expected, result);
}
@Test
public void testGetValueShortString5() {
byte[] decimal = Hex.decode("3913517ebd3c0c65000000");
String expected = "69\u00b7(10^24)";
String result = Utils.getValueShortString(new BigInteger(decimal));
assertEquals(expected, result);
}
@Test
public void testAddressStringToBytes() {
// valid address
String HexStr = "6c386a4b26f73c802f34673f7248bb118f97424a";
byte[] expected = Hex.decode(HexStr);
byte[] result = Utils.addressStringToBytes(HexStr);
assertEquals(Arrays.areEqual(expected, result), true);
// invalid address, we removed the last char so it cannot decode
HexStr = "6c386a4b26f73c802f34673f7248bb118f97424";
expected = null;
result = Utils.addressStringToBytes(HexStr);
assertEquals(expected, result);
// invalid address, longer than 20 bytes
HexStr = new String(Hex.encode("I am longer than 20 bytes, i promise".getBytes()));
expected = null;
result = Utils.addressStringToBytes(HexStr);
assertEquals(expected, result);
// invalid address, shorter than 20 bytes
HexStr = new String(Hex.encode("I am short".getBytes()));
expected = null;
result = Utils.addressStringToBytes(HexStr);
assertEquals(expected, result);
}
}