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JUnit is a regression testing framework written by Erich Gamma and Kent Beck. It is used by the developer who implements unit tests in Java.

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package junit.extensions;

import junit.framework.Protectable;
import junit.framework.Test;
import junit.framework.TestResult;

/**
 * A Decorator to set up and tear down additional fixture state. Subclass
 * TestSetup and insert it into your tests when you want to set up additional
 * state once before the tests are run.
 */
public class TestSetup extends TestDecorator {

	public TestSetup(Test test) {
		super(test);
	}

	@Override
	public void run(final TestResult result) {
		Protectable p= new Protectable() {
			public void protect() throws Exception {
				setUp();
				basicRun(result);
				tearDown();
			}
		};
		result.runProtected(this, p);
	}

	/**
	 * Sets up the fixture. Override to set up additional fixture state.
	 */
	protected void setUp() throws Exception {
	}

	/**
	 * Tears down the fixture. Override to tear down the additional fixture
	 * state.
	 */
	protected void tearDown() throws Exception {
	}
}