cassandra-trunk/test/unit/org/apache/cassandra/serializers/DecimalSerializerTest.java
/**
 * 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
 * "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 org.apache.cassandra.serializers;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

import java.math.BigDecimal;

public class DecimalSerializerTest
{
    @Test
    public void testDecimalScaleStringify()
    {
        BigDecimal d = new BigDecimal("1");
        assertEquals("1", DecimalSerializer.instance.toString(d));

        d = new BigDecimal("-1");
        assertEquals("-1", DecimalSerializer.instance.toString(d));

        int scale = Integer.MAX_VALUE - 100;
        d = new BigDecimal("1e" + scale);
        assertEquals("1E+" + scale, DecimalSerializer.instance.toString(d));

        d = new BigDecimal("-1e" + scale);
        assertEquals("-1E+" + scale, DecimalSerializer.instance.toString(d));

        d = new BigDecimal("1e-" + scale);
        assertEquals("1E-" + scale, DecimalSerializer.instance.toString(d));

        d = new BigDecimal("-1e-" + scale);
        assertEquals("-1E-" + scale, DecimalSerializer.instance.toString(d));
    }
}
