Package org.restlet.test.engine.io

Source Code of org.restlet.test.engine.io.BufferTestCase

/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 or EPL 1.0 (the
* "Licenses"). You can select the license that you prefer but you may not use
* this file except in compliance with one of these Licenses.
*
* You can obtain a copy of the LGPL 3.0 license at
* http://www.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://www.noelios.com/products/restlet-engine
*
* Restlet is a registered trademark of Noelios Technologies.
*/

package org.restlet.test.engine.io;

import java.io.IOException;

import org.restlet.engine.io.Buffer;
import org.restlet.engine.io.BufferState;
import org.restlet.test.RestletTestCase;

/**
* Test case for the {@link Buffer} class.
*
* @author Jerome Louvel
*/
public class BufferTestCase extends RestletTestCase {

    public void testFlip() throws IOException {
        Buffer buffer = new Buffer(8192);
        buffer.fill("abcdefghijklm");
        buffer.flip();

        for (int i = 0; i < 4; i++) {
            // Drain first characters
            buffer.drain();
        }

        buffer.flip();
        buffer.fill("nopqrst");
        buffer.flip();

        for (int i = 0; i < 4; i++) {
            // Drain first characters
            buffer.drain();
        }

        buffer.flip();
        buffer.fill("uvwxyz");
        buffer.flip();

        StringBuilder sb = new StringBuilder();
        buffer.drain(sb, BufferState.FILLING);
        assertEquals("Remaining buffer", "ijklmnopqrstuvwxyz", sb.toString());
    }
}
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