/******************************************************************************* | |
* Copyright (c) 2009 IBM Corporation and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v1.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/epl-v10.html | |
* | |
* Contributors: | |
* IBM Corporation - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.wst.jsdt.core.tests.utils; | |
import java.io.BufferedReader; | |
import java.io.IOException; | |
import java.io.Reader; | |
import java.io.StringReader; | |
import junit.framework.TestCase; | |
import org.eclipse.wst.jsdt.core.util.SequenceReader; | |
public class SequenceReaderTests extends TestCase { | |
public void testSingleReaderSequence() throws IOException { | |
Reader[] readers = new Reader[]{new StringReader("Ready")}; | |
Reader sequenceReader = new SequenceReader(readers); | |
StringBuffer buff = new StringBuffer(); | |
int c = sequenceReader.read(); | |
while (c != -1) { | |
buff.append((char) c); | |
c = sequenceReader.read(); | |
} | |
assertEquals("Ready", buff.toString()); | |
} | |
public void testTripleReaderSequence() throws IOException { | |
Reader[] readers = new Reader[]{new StringReader("Ready"), new StringReader("Set"), new StringReader("Go")}; | |
Reader sequenceReader = new SequenceReader(readers); | |
StringBuffer buff = new StringBuffer(); | |
int c = sequenceReader.read(); | |
while (c != -1) { | |
buff.append((char) c); | |
c = sequenceReader.read(); | |
} | |
assertEquals("ReadySetGo", buff.toString()); | |
} | |
public void testEmptyReader() throws IOException { | |
Reader[] readers = new Reader[]{new StringReader("")}; | |
Reader sequenceReader = new SequenceReader(readers); | |
StringBuffer buff = new StringBuffer(); | |
int c = sequenceReader.read(); | |
while (c != -1) { | |
buff.append((char) c); | |
c = sequenceReader.read(); | |
} | |
assertEquals("something was read from an empty reader", 0, buff.length()); | |
} | |
public void testEmptySequence() throws IOException { | |
Reader[] readers = new Reader[0]; | |
Reader sequenceReader = new SequenceReader(readers); | |
StringBuffer buff = new StringBuffer(); | |
int c = sequenceReader.read(); | |
while (c != -1) { | |
buff.append((char) c); | |
c = sequenceReader.read(); | |
} | |
assertEquals("something was read from nothing", 0, buff.length()); | |
} | |
public void testBufferedTripleReaderSequence() throws IOException { | |
Reader[] readers = new Reader[]{new StringReader("Ready"), new StringReader("Set"), new StringReader("Go")}; | |
Reader sequenceReader = new BufferedReader(new SequenceReader(readers)); | |
StringBuffer buff = new StringBuffer(); | |
int c = sequenceReader.read(); | |
while (c != -1) { | |
buff.append((char) c); | |
c = sequenceReader.read(); | |
} | |
assertEquals("ReadySetGo", buff.toString()); | |
} | |
} |