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A testing framework for the JVM

There is a newer version: 7.10.1

package org.testng.internal;

import java.lang.reflect.Method;

import org.testng.Assert;
import org.testng.annotations.Optional;
import org.testng.annotations.Parameters;
import org.testng.annotations.Test;
import org.testng.internal.Parameters.FilterOutInJectedTypesResult;
import org.testng.internal.annotations.JDK15AnnotationFinder;
import org.testng.xml.XmlTest;

/**
 * Provide test for package visible methods in org.testng.internal.Parameters 
 *
 */
public class ParametersTest {
    
    @Test
    @Parameters({ "testdata" })
    public void filterOutInJectedTypesFromOptionalValuesTest(XmlTest xmlTest, @Optional("optionaltestdata") String testdata) {
      JDK15AnnotationFinder finder = new JDK15AnnotationFinder(null);
      Method curMethod = new Object() {}.getClass().getEnclosingMethod();
      FilterOutInJectedTypesResult filterOutResult = org.testng.internal.Parameters.filterOutInJectedTypesFromOptionalValues(
              curMethod.getParameterTypes(), finder.findOptionalValues(curMethod));
      Assert.assertEquals(filterOutResult.getOptionalValues()[0], "optionaltestdata");
      Assert.assertEquals(filterOutResult.getParameterTypes()[0], String.class);  
        
    }

}