Java: JUnit: Run a unit test inside a inner class -- using @RunWith(Enclosed.class)

package com.test;

//public class in the file

@RunWith(Enclosed.class)

public class GetCountryBasedOnIPDelegate {

    ...

}

//another class in the file (package access)

@RunWith(Enclosed.class)

class CSVGeoCodeNameProvider {

    ...

    public static class TestCSVGeoCodeNameProvider extends TestCase {

@Before

@Override

public void setUp() throws Exception {

//do some setups

                        ...

}

                //add some tests

@Test

public void testbuildCache() {

long countryIPRangeListSize = countryIPRangeList.size();

GenericUtils.debug(String.format("No. of items in file %s is %d",

GeoIPUtils.ipv4FilePath, countryIPRangeListSize));

assertNotSame(countryIPRangeListSize, 0);

assertNotNull(countryIPRangeList.get(new Long(18153472)).countryCode);

assertEquals(

countryIPRangeList.get(new Long(18153472)).countryCode,

"JP");

}

}

}