/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.bootstrap.util;
import java.util.Random;
import org.junit.Assert;
import org.junit.Test;
/**
* @author poap
*/
public class NumberUtilsTest {
private String notNumber = "H3110 W0r1d";
@Test
public void parseLong() {
long defaultLong = new Random().nextLong();
long randomLong = new Random().nextLong();
Assert.assertEquals(NumberUtils.parseLong(null, defaultLong), defaultLong);
Assert.assertEquals(NumberUtils.parseLong(String.valueOf(randomLong), defaultLong), randomLong);
Assert.assertEquals(NumberUtils.parseLong(notNumber, defaultLong), defaultLong);
}
@Test
public void parseInteger() {
int defaultInt = new Random().nextInt();
int randomInt = new Random().nextInt();
Assert.assertEquals(NumberUtils.parseLong(null, defaultInt), defaultInt);
Assert.assertEquals(NumberUtils.parseInteger(String.valueOf(randomInt), defaultInt), randomInt);
Assert.assertEquals(NumberUtils.parseLong(notNumber, defaultInt), defaultInt);
}
@Test
public void parseShort() {
short defaultShort = 0;
for(short s=Short.MIN_VALUE; s!=Short.MAX_VALUE; s++) {
Assert.assertEquals(NumberUtils.parseShort(null, s), s);
Assert.assertEquals(NumberUtils.parseShort(String.valueOf(s), defaultShort), s);
Assert.assertEquals(NumberUtils.parseShort(notNumber, s), s);
}
Assert.assertEquals(NumberUtils.parseShort(null, Short.MAX_VALUE), Short.MAX_VALUE);
Assert.assertEquals(NumberUtils.parseShort(String.valueOf(Short.MAX_VALUE), defaultShort), Short.MAX_VALUE);
Assert.assertEquals(NumberUtils.parseShort(notNumber, Short.MAX_VALUE), Short.MAX_VALUE);
}
@Test
public void toInteger() {
short oneShort = 1;
int oneInteger = 1;
long oneLong = 1;
String oneString = "1";
Assert.assertNull(NumberUtils.toInteger(null));
Assert.assertNull(NumberUtils.toInteger(oneShort));
Assert.assertEquals(NumberUtils.toInteger(oneInteger), (Integer)1);
Assert.assertNull(NumberUtils.toInteger(oneLong));
Assert.assertNull(NumberUtils.toInteger(oneString));
Assert.assertNull(NumberUtils.toInteger(notNumber));
}
}