Junit-4

@RunWith(Parameterized.class)- class should be annotated like this

@Parameters -parameter method should be annotated and the method signature- public 

static Collection<Object[]> getFiles(){}

@Test- should be given for methods

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.Parameterized;

import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)

public class TestY {

    @Parametererized.Parameters

    public static Collection<Object[]> getFiles() {

           Collection<Object[]> params = new ArrayList<Object[]>();

           for (File f : new File(".").listFiles()) {

                       Object[] arr = new Object[] { f };

                       params.add(arr);    }

           return params;

    }

    private File file;

    public TestY(File file) {

           this.file = file;

    }

    @Test

    public void testY() {

           fail(file.toString());

    }

}