/**
 * ============LICENSE_START====================================================
 * org.onap.aaf
 * ===========================================================================
 * Copyright (c) 2018 AT&T Intellectual Property. 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.
 * 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.
 * ============LICENSE_END====================================================
 *
 */
package org.onap.aaf.misc.env.util;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.only;
import static org.mockito.Mockito.verify;

import java.io.IOException;
import java.io.OutputStream;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;

public class JU_DoubleOutputStreamTest {

	@Mock
	private OutputStream stream1;

	@Mock
	private OutputStream stream2;

	private DoubleOutputStream doubleOutputStream;

	@Before
	public void setup() {
		stream1 = mock(OutputStream.class);
		stream2 = mock(OutputStream.class);
	}

	@Test
	public void testWriteInt() throws IOException {
		doubleOutputStream = new DoubleOutputStream(stream1, true, stream2, true);

		doubleOutputStream.write(123);

		verify(stream1, only()).write(123);
		verify(stream2, only()).write(123);
	}

	@Test
	public void testWriteByteArray() throws IOException {
		doubleOutputStream = new DoubleOutputStream(stream1, true, stream2, true);

		byte[] bytes = { 1, 2, 3, 4 };

		doubleOutputStream.write(bytes);

		verify(stream1, only()).write(bytes);
		verify(stream2, only()).write(bytes);

	}

	@Test
	public void testWriteByteArrayWithOffset() throws IOException {
		doubleOutputStream = new DoubleOutputStream(stream1, true, stream2, true);

		byte[] bytes = { 1, 2, 3, 4 };

		doubleOutputStream.write(bytes, 1, 3);
		verify(stream1, only()).write(bytes, 1, 3);
		verify(stream2, only()).write(bytes, 1, 3);
	}

	@Test
	public void testFlush() throws IOException {
		doubleOutputStream = new DoubleOutputStream(stream1, true, stream2, true);

		doubleOutputStream.flush();

		verify(stream1, only()).flush();
		verify(stream2, only()).flush();
	}

	@Test
	public void testClose() throws IOException {
		doubleOutputStream = new DoubleOutputStream(stream1, true, stream2, false);

		doubleOutputStream.close();

		verify(stream1, only()).close();
		verify(stream2, never()).close();
	}
}