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Testing framework for Java

There is a newer version: 7.10.1

package org.testng.junit;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import junit.framework.Test;

/** @author lukas */
public class JUnit3TestRecognizer implements JUnitTestRecognizer {

  public JUnit3TestRecognizer() {}

  public boolean isTest(Class c) {
    // class implementing junit.framework.Test with at least one test* method
    if (Test.class.isAssignableFrom(c)) {
      boolean haveTest = false;
      for (Method m : c.getMethods()) {
        if (m.getName().startsWith("test")) {
          haveTest = true;
          break;
        }
      }
      if (haveTest) {
        return true;
      }
    }
    try {
      // or a class with public static Test suite() method
      Method m = c.getDeclaredMethod("suite");
      if (Modifier.isPublic(m.getModifiers()) && Modifier.isStatic(m.getModifiers())) {
        return m.getReturnType().isAssignableFrom(Test.class);
      }
    } catch (Throwable t) {
      return false;
    }
    return false;
  }
}