TestWritableUtils.java

/**
 * Copyright [2011] [Datasalt Systems S.L.]
 *
 * 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.datasalt.utils.commons;

import static org.junit.Assert.*;
import static com.datasalt.utils.commons.WritableUtils.*;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;

import org.junit.Test;

public class TestWritableUtils {

	private byte [] writeShort(short s) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);
    dos.writeShort(s);
    return bos.toByteArray();
	}
	
	@Test
	public void testReadShort() throws IOException {
	
		short s = (short) -1;
    byte [] b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));
    
    s = 1;
    b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));

    s = 1000;
    b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));

    s = -1000;
    b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));
    
    s = Short.MAX_VALUE;
    b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));


    s = Short.MIN_VALUE;
    b1 = writeShort(s);
    assertEquals(s, readShort(b1, 0));		
	}
	
}