/*
* Copyright 2010-2017 Amazon.com, Inc. or its affiliates. All Rights
* Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.adapters.types;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Test;
public class StringToInputStreamAdapterTest {
private final StringToInputStreamAdapter adapter = new StringToInputStreamAdapter();
@Test
public void nullString_ReturnsNullInputStream() {
assertNull(adapter.adapt(null));
}
@Test
public void emptyString_ReturnsEmptyInputStream() throws IOException {
InputStream inputStream = adapter.adapt("");
assertEquals(-1, inputStream.read());
}
@Test
public void nonEmptyString_ReturnsNonEmptyInputStream() throws IOException {
String source = "foo";
InputStream inputStream = adapter.adapt(source);
byte[] bytes = new byte[3];
inputStream.read(bytes);
assertArrayEquals(bytes, source.getBytes());
}
}