org.hyperledger.common.Base58Test.java Source code

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Here is the source code for org.hyperledger.common.Base58Test.java

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/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.hyperledger.common;

import org.json.JSONArray;
import org.json.JSONException;
import org.junit.Test;

import java.io.IOException;
import java.io.InputStream;

import static org.junit.Assert.assertTrue;

/**
 * These are the unit tests from bitcoind that are supported with test data in json format
 */
public class Base58Test {
    private static final String BASE58_ENCODE = "base58_encode_decode.json";

    private JSONArray readObjectArray(String resource) throws IOException, JSONException {
        InputStream input = this.getClass().getResource("/" + resource).openStream();
        StringBuilder content = new StringBuilder();
        byte[] buffer = new byte[1024];
        while (input.read(buffer) > 0) {
            content.append(new String(buffer, "UTF-8"));
        }
        return new JSONArray(content.toString());
    }

    @Test
    public void base58encode() throws IOException, JSONException, HyperLedgerException {
        JSONArray testData = readObjectArray(BASE58_ENCODE);
        for (int i = 0; i < testData.length(); ++i) {
            JSONArray test = testData.getJSONArray(i);
            assertTrue(ByteUtils.toBase58(ByteUtils.fromHex(test.getString(0))).equals(test.get(1)));
            assertTrue(ByteUtils.toHex(ByteUtils.fromBase58(test.getString(1))).equals(test.get(0)));
        }
    }
}