/*
* Encog(tm) Core Unit Tests v3.0 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.bot.html;
import java.io.ByteArrayInputStream;
import org.encog.parse.PeekableInputStream;
import junit.framework.TestCase;
public class TestPeekableInputStream extends TestCase {
public void testSimple() throws Throwable
{
ByteArrayInputStream bis = new ByteArrayInputStream("test".getBytes());
PeekableInputStream peek = new PeekableInputStream(bis);
TestCase.assertTrue(peek.read()=='t');
TestCase.assertTrue(peek.read()=='e');
TestCase.assertTrue(peek.read()=='s');
TestCase.assertTrue(peek.read()=='t');
}
public void testPeek() throws Throwable
{
ByteArrayInputStream bis = new ByteArrayInputStream("test".getBytes());
PeekableInputStream peek = new PeekableInputStream(bis);
TestCase.assertTrue(peek.peek(0)=='t');
TestCase.assertTrue(peek.peek(1)=='e');
TestCase.assertTrue(peek.peek(2)=='s');
TestCase.assertTrue(peek.peek(3)=='t');
TestCase.assertTrue(peek.read()=='t');
TestCase.assertTrue(peek.read()=='e');
TestCase.assertTrue(peek.read()=='s');
TestCase.assertTrue(peek.read()=='t');
}
public void testPeekExtend() throws Throwable
{
ByteArrayInputStream bis = new ByteArrayInputStream("012345678901234567890".getBytes());
PeekableInputStream peek = new PeekableInputStream(bis);
TestCase.assertTrue(peek.peek(0)=='0');
TestCase.assertTrue(peek.peek(11)=='1');
// now read past the end of file
byte junk[] = new byte[100];
peek.read(junk);
TestCase.assertTrue(peek.peek()==-1);
}
}