package org.junit.runners;
import org.junit.runners.model.InitializationError;
import org.junit.runners.model.TestClass;
/**
* Aliases the current default JUnit 4 class runner, for future-proofing. If
* future versions of JUnit change the default Runner class, they will also
* change the definition of this class. Developers wanting to explicitly tag a
* class as a JUnit 4 class should use {@code @RunWith(JUnit4.class)}, not,
* for example in JUnit 4.5, {@code @RunWith(BlockJUnit4ClassRunner.class)}.
* This is the only way this class should be used--any extension that
* depends on the implementation details of this class is likely to break
* in future versions.
*
* @since 4.5
*/
public final class JUnit4 extends BlockJUnit4ClassRunner {
/**
* Constructs a new instance of the default runner
*/
public JUnit4(Class<?> klass) throws InitializationError {
super(new TestClass(klass));
}
}