/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.helpers;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.PushbackInputStream;
import org.junit.Assert;
import org.junit.Test;
public class IOUtilsTest extends Assert {
@Test
public void testIsEmpty() throws Exception {
assertTrue(IOUtils.isEmpty(new ByteArrayInputStream(new byte[]{})));
}
@Test
public void testNonEmpty() throws Exception {
InputStream is = new ByteArrayInputStream("Hello".getBytes());
assertFalse(IOUtils.isEmpty(is));
assertEquals("Hello", IOUtils.toString(is));
}
@Test
public void testNonEmptyWithPushBack() throws Exception {
InputStream is = new PushbackInputStream(
new ByteArrayInputStream("Hello".getBytes()));
assertFalse(IOUtils.isEmpty(is));
assertEquals("Hello", IOUtils.toString(is));
}
@Test
public void testInputStreamWithNoMark() throws Exception {
String data = "this is some data";
InputStream is = new UnMarkedInputStream(data.getBytes());
assertFalse(IOUtils.isEmpty(is));
assertEquals(data, IOUtils.toString(is));
}
}