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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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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 LongConverterTest {
@Test
public void testFromBytes_InIntRange() {
// 256*256* 6 + 256*7 + 16
assertEquals(new Long(395024), new LongConverter().fromBytes(new byte[]{0, 6, 7, 16}));
}
@Test
public void testFromBytes_InLongRange() {
// 6*256*256*256*256 + 7*256*256*256 + 16*256*256 + 17*256 + 99
assertEquals(new Long(25888297315l), new LongConverter().fromBytes(new byte[]{0, 0, 0, 6, 7, 16, 17, 99}));
}
@Test
public void testToBytes() {
assertArrayEquals(new byte[]{127, -1, -1, -1, -1, -1, -1, -2}, new LongConverter().toBytes((long) (Long.MAX_VALUE - 1l)));
assertArrayEquals(new byte[]{127, -1, -1, -2}, new LongConverter().toBytes((long) (Integer.MAX_VALUE - 1)));
assertArrayEquals(new byte[]{127, -2}, new LongConverter().toBytes(Short.MAX_VALUE - 1l));
assertArrayEquals(new byte[]{-7}, new LongConverter().toBytes(-7l));
}
}