/*
* Copyright 2002-2006 the original author or authors.
*
* 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 org.springframework.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Arrays;
import junit.framework.TestCase;
/**
* Unit tests for the FileCopyUtils class.
*
* @author Juergen Hoeller
* @since 12.03.2005
*/
public class FileCopyUtilsTests extends TestCase {
public void testCopyFromInputStream() throws IOException {
byte[] content = "content".getBytes();
ByteArrayInputStream in = new ByteArrayInputStream(content);
ByteArrayOutputStream out = new ByteArrayOutputStream(content.length);
int count = FileCopyUtils.copy(in, out);
assertEquals(content.length, count);
assertTrue(Arrays.equals(content, out.toByteArray()));
}
public void testCopyFromByteArray() throws IOException {
byte[] content = "content".getBytes();
ByteArrayOutputStream out = new ByteArrayOutputStream(content.length);
FileCopyUtils.copy(content, out);
assertTrue(Arrays.equals(content, out.toByteArray()));
}
public void testCopyToByteArray() throws IOException {
byte[] content = "content".getBytes();
ByteArrayInputStream in = new ByteArrayInputStream(content);
byte[] result = FileCopyUtils.copyToByteArray(in);
assertTrue(Arrays.equals(content, result));
}
public void testCopyFromReader() throws IOException {
String content = "content";
StringReader in = new StringReader(content);
StringWriter out = new StringWriter();
int count = FileCopyUtils.copy(in, out);
assertEquals(content.length(), count);
assertEquals(content, out.toString());
}
public void testCopyFromString() throws IOException {
String content = "content";
StringWriter out = new StringWriter();
FileCopyUtils.copy(content, out);
assertEquals(content, out.toString());
}
public void testCopyToString() throws IOException {
String content = "content";
StringReader in = new StringReader(content);
String result = FileCopyUtils.copyToString(in);
assertEquals(content, result);
}
}