OldTestClassRunnerTest.java

package org.junit.tests;

import static org.junit.Assert.assertEquals;

import junit.extensions.TestDecorator;
import junit.framework.JUnit4TestAdapter;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.junit.Assert;
import org.junit.Test;
import org.junit.internal.runners.OldTestClassRunner;
import org.junit.runner.Description;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;

public class OldTestClassRunnerTest {
	public static class MyTest extends TestCase {
		public void testA() {
			
		}
	}
	
	@Test public void plansDecoratorCorrectly() {
		OldTestClassRunner runner= new OldTestClassRunner(new TestDecorator(new TestSuite(MyTest.class)));
		assertEquals(1, runner.testCount());
	}
	
	public static class AnnotatedTest {
		@Test public void foo() {
			Assert.fail();
		}
	}
	
	@Test public void canUnadaptAnAdapter() {
		OldTestClassRunner runner= new OldTestClassRunner(new JUnit4TestAdapter(AnnotatedTest.class));
		Result result= new JUnitCore().run(runner);
		Failure failure= result.getFailures().get(0);
		assertEquals(Description.createTestDescription(AnnotatedTest.class, "foo"), failure.getDescription());
	}
}