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* 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
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package org.apache.cayenne.crypto.transformer.value;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class IntegerConverterTest {
@Test
public void testFromBytes_InByteRange() {
assertEquals(new Integer(6), new IntegerConverter().fromBytes(new byte[]{6}));
}
@Test
public void testFromBytes_InShortRange() {
assertEquals(new Integer(1542), new IntegerConverter().fromBytes(new byte[]{6, 6}));
}
@Test
public void testFromBytes_InIntRange() {
// 16 + 256*7 + 256*256* 6
assertEquals(new Integer(395024), new IntegerConverter().fromBytes(new byte[]{0, 6, 7, 16}));
}
@Test(expected = IllegalArgumentException.class)
public void testFromBytes_TooLong() {
IntegerConverter.INSTANCE.fromBytes(new byte[]{6, 5, 4});
}
@Test
public void testToBytes() {
assertArrayEquals(new byte[]{127, -1, -1, -2}, new IntegerConverter().toBytes(Integer.MAX_VALUE - 1));
assertArrayEquals(new byte[]{127, -2}, new IntegerConverter().toBytes(Short.MAX_VALUE - 1));
assertArrayEquals(new byte[]{-7}, new IntegerConverter().toBytes(-7));
}
}