/*
* Copyright 2009 Google 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.
*/
package com.google.jstestdriver.html;
import java.util.List;
import junit.framework.TestCase;
import com.google.common.collect.Lists;
import com.google.jstestdriver.token.BufferedTokenStream;
import com.google.jstestdriver.token.ConcreteToken;
import com.google.jstestdriver.token.Token;
/**
* @author corysmith@google.com (Cory Smith)
*/
public class BufferedTokenStreamTest extends TestCase {
List<Token> tokens;
@Override
protected void setUp() throws Exception {
tokens = Lists.<Token>newArrayList(new ConcreteToken("1".toCharArray()),
new ConcreteToken("2".toCharArray()),
new ConcreteToken("3".toCharArray()),
new ConcreteToken("4".toCharArray()));
}
public void testRead() throws Exception {
BufferedTokenStream stream = new BufferedTokenStream(tokens.iterator());
assertEquals(tokens.get(0), stream.read());
}
public void testReadReset() throws Exception {
BufferedTokenStream stream = new BufferedTokenStream(tokens.iterator());
assertEquals(tokens.get(0), stream.read());
stream.reset();
assertEquals(tokens.get(0), stream.read());
}
public void testReadMarkReset() throws Exception {
BufferedTokenStream stream = new BufferedTokenStream(tokens.iterator());
assertEquals(tokens.get(0), stream.read());
assertEquals(tokens.get(1), stream.read());
stream.mark();
assertEquals(tokens.get(2), stream.read());
assertEquals(tokens.get(3), stream.read());
stream.reset();
assertEquals(tokens.get(2), stream.read());
}
public void testReadEndOfStream() throws Exception {
BufferedTokenStream stream = new BufferedTokenStream(Lists.<Token>newArrayList().iterator());
assertEquals(null, stream.read());
}
public void testReadAvailable() throws Exception {
BufferedTokenStream stream = new BufferedTokenStream(tokens.iterator());
assertEquals(tokens.get(0), stream.read());
assertEquals(tokens.get(1), stream.read());
assertTrue(stream.available());
stream.mark();
assertTrue(stream.available());
assertEquals(tokens.get(2), stream.read());
assertEquals(tokens.get(3), stream.read());
assertFalse(stream.available());
assertNull(stream.read());
stream.reset();
assertTrue(stream.available());
}
}