inti.util.Base64OutputByteBufferTest.java Source code

Introduction

Here is the source code for inti.util.Base64OutputByteBufferTest.java

Source

/**
 * Copyright 2012 the project-owners
 *
 *    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 inti.util;

import static org.junit.Assert.assertEquals;

import java.nio.ByteBuffer;
import java.nio.charset.Charset;

import org.apache.commons.codec.binary.Base64;
import org.junit.Test;

public class Base64OutputByteBufferTest {

    Charset UTF_8 = Charset.forName("utf-8");
    Base64OutputByteBuffer base64OutputByteBuffer;

    @Test
    public void writeSmallDataSmallBuffer() throws Exception {
        writeSmallDataSmallBuffer("0");
        writeSmallDataSmallBuffer("01");
        writeSmallDataSmallBuffer("012");
        writeSmallDataSmallBuffer("0123");
        writeSmallDataSmallBuffer("01234");
        writeSmallDataSmallBuffer("012345");
        writeSmallDataSmallBuffer("0123456");
        writeSmallDataSmallBuffer("01234567");
        writeSmallDataSmallBuffer("012345678");
        writeSmallDataSmallBuffer("0123456789");
    }

    public void writeSmallDataSmallBuffer(String str) throws Exception {
        byte[] data = new String(str).getBytes(UTF_8);
        int bufferSize = 32;
        ByteBuffer buffer;

        base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
                Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

        base64OutputByteBuffer.write(data);
        base64OutputByteBuffer.flush();
        buffer = base64OutputByteBuffer.getByteBuffer();

        assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());

        base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
                Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

        for (int i = 0; i < data.length; i++) {
            base64OutputByteBuffer.write(data[i]);
        }
        base64OutputByteBuffer.flush();
        buffer = base64OutputByteBuffer.getByteBuffer();

        assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());

        if (data.length % 2 == 0) {
            base64OutputByteBuffer = new Base64OutputByteBuffer(Base64OutputByteBuffer.DEFAULT_ALPHABET,
                    Base64OutputByteBuffer.DEFAULT_PADDING, bufferSize);

            for (int i = 0; i < data.length; i += 2) {
                base64OutputByteBuffer.write(new byte[] { data[i], data[i + 1] });
            }
            base64OutputByteBuffer.flush();
            buffer = base64OutputByteBuffer.getByteBuffer();

            assertEquals(new Base64().encodeAsString(data), new String(buffer.array()).trim());
        }
    }

}