src/test/java/org/apache/james/mime4j/decoder/CodecUtilTest.java

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package org.apache.james.mime4j.decoder;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import org.apache.james.mime4j.parser.ExampleMail;

import junit.framework.TestCase;

public class CodecUtilTest extends TestCase {

    protected void setUp() throws Exception {
        super.setUp();
    }

    protected void tearDown() throws Exception {
        super.tearDown();
    }

    public void testCopy() throws Exception {
        byte[] content = ExampleMail.MULTIPART_WITH_BINARY_ATTACHMENTS_BYTES;
        ByteArrayInputStream in = new ByteArrayInputStream(content);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        CodecUtil.copy(in, out);
        assertEquals(content, out.toByteArray());
    }
    
    private void assertEquals(byte[] expected, byte[] actual) {
        StringBuffer buffer = new StringBuffer(expected.length);
        assertEquals(expected.length, actual.length);
        for (int i = 0; i < actual.length; i++) {
            buffer.append((char)actual[i]);
            assertEquals("Mismatch@" + i, expected[i], actual[i]);
        }
    }
}