LongTypeConverterTest.java

package com.cloudhopper.commons.xbean.type;

/*
 * #%L
 * ch-commons-xbean
 * %%
 * Copyright (C) 2012 Cloudhopper by Twitter
 * %%
 * 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.
 * #L%
 */

import com.cloudhopper.commons.xbean.ConversionException;
import com.cloudhopper.commons.xbean.ConversionOverflowException;
import com.cloudhopper.commons.xbean.TypeConverter;
import com.cloudhopper.commons.xbean.TypeConverterUtil;
import org.apache.log4j.Logger;
import org.junit.Assert;
import org.junit.Test;

public class LongTypeConverterTest {
    private static final Logger logger = Logger.getLogger(LongTypeConverterTest.class);

    private TypeConverter[] pcs = new TypeConverter[] {
        new LongTypeConverter(),
        new LongPrimitiveTypeConverter()
    };
    
    @Test
    public void validConversions() throws Exception {
        for (TypeConverter pc : pcs) {
            // check that the registry has this class
            Object obj = pc.convert("0");
            Assert.assertEquals(obj, TypeConverterUtil.convert("0", obj.getClass()));
            Assert.assertEquals(Long.valueOf(0), pc.convert("0"));
            // min and max value of a long
            Assert.assertEquals(Long.valueOf(-9223372036854775808L), pc.convert("-9223372036854775808"));
            Assert.assertEquals(Long.valueOf(9223372036854775807L), pc.convert("9223372036854775807"));
            // hex versions
            Assert.assertEquals(Long.valueOf(0), pc.convert("0x0"));
            Assert.assertEquals(Long.valueOf(0), pc.convert("0X0"));
            Assert.assertEquals(Long.valueOf(9223372036854775807L), pc.convert("0x7FFFFFFFFFFFFFFF"));
            Assert.assertEquals(Long.valueOf(0xFFFFFFFFFFFFFFFFL), pc.convert("0xFFFFFFFFFFFFFFFF"));
        }
    }
    
    @Test
    public void timeUnits() throws Exception {
        for (TypeConverter pc : pcs) {
            Assert.assertEquals(Long.valueOf(0L), pc.convert("0.second"));
            Assert.assertEquals(Long.valueOf(0L), pc.convert("0.seconds"));
            Assert.assertEquals(Long.valueOf(1000L), pc.convert("1.second"));
            Assert.assertEquals(Long.valueOf(30000L), pc.convert("30.seconds"));
            Assert.assertEquals(Long.valueOf(30L), pc.convert("30.millis"));
            Assert.assertEquals(Long.valueOf(2L*60L*60L*1000L), pc.convert("2.hours"));
            Assert.assertEquals(Long.valueOf(2L*24L*60L*60L*1000L), pc.convert("2.days"));
            Assert.assertEquals(Long.valueOf(2L*60L*1000L), pc.convert("2.minutes"));
        }
    }
    
    @Test
    public void overflow() throws Exception {
        for (TypeConverter pc : pcs) {
            try {
                pc.convert("0x10000000000000000");
            } catch (ConversionOverflowException e) {
                // valid
            }
        }
    }
    
    @Test
    public void negativeInHexNotAllowed() throws Exception {
        for (TypeConverter pc : pcs) {
            try {
                pc.convert("-0x01");
            } catch (ConversionException e) {
                // valid
            }
        }
    }
}