/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* 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.asakusafw.utils.io;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import org.junit.After;
import org.junit.Test;
/**
* Test for {@link ReaderProvider}.
*/
public class ReaderProviderTest {
static final Charset CHARSET = Charset.forName("UTF-8");
private final List<Object> closeables = new ArrayList<Object>();
/**
* Close all.
* @throws Exception if failed
*/
@After
public void after() throws Exception {
for (Object c : closeables) {
if (c instanceof Closeable) {
((Closeable) c).close();
}
}
}
/**
* Simple testing.
* @throws Exception if failed
*/
@Test
public void test() throws Exception {
Provider<InputStream> ip = new Provider<InputStream>() {
@Override
public InputStream open() throws IOException, InterruptedException {
return new ByteArrayInputStream("Hello, world!".getBytes(CHARSET));
}
@Override
public void close() throws IOException {
return;
}
};
closeables.add(ip);
ReaderProvider rp = new ReaderProvider(ip, CHARSET);
closeables.add(rp);
Scanner s1 = new Scanner(rp.open());
closeables.add(s1);
assertThat(s1.hasNextLine(), is(true));
assertThat(s1.nextLine(), is("Hello, world!"));
assertThat(s1.hasNextLine(), is(false));
Scanner s2 = new Scanner(rp.open());
closeables.add(s2);
assertThat(s2.hasNextLine(), is(true));
assertThat(s2.nextLine(), is("Hello, world!"));
assertThat(s2.hasNextLine(), is(false));
}
}