package org.junit.tests;
import static org.junit.Assert.assertEquals;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import junit.framework.JUnit4TestAdapter;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.internal.runners.InitializationError;
import org.junit.internal.runners.JUnit4ClassRunner;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public class ParameterizedTestMethodTest {
@SuppressWarnings("all")
public static class EverythingWrong {
private EverythingWrong() {}
@BeforeClass public void notStaticBC() {}
@BeforeClass static void notPublicBC() {}
@BeforeClass public static int nonVoidBC() { return 0; }
@BeforeClass public static void argumentsBC(int i) {}
@BeforeClass public static void fineBC() {}
@AfterClass public void notStaticAC() {}
@AfterClass static void notPublicAC() {}
@AfterClass public static int nonVoidAC() { return 0; }
@AfterClass public static void argumentsAC(int i) {}
@AfterClass public static void fineAC() {}
@After public static void staticA() {}
@After void notPublicA() {}
@After public int nonVoidA() { return 0; }
@After public void argumentsA(int i) {}
@After public void fineA() {}
@Before public static void staticB() {}
@Before void notPublicB() {}
@Before public int nonVoidB() { return 0; }
@Before public void argumentsB(int i) {}
@Before public void fineB() {}
@Test public static void staticT() {}
@Test void notPublicT() {}
@Test public int nonVoidT() { return 0; }
@Test public void argumentsT(int i) {}
@Test public void fineT() {}
}
private Class<?> fClass;
private int fErrorCount;
static public class SuperWrong {
@Test void notPublic() {
}
}
static public class SubWrong extends SuperWrong {
@Test public void justFine() {
}
}
static public class SubShadows extends SuperWrong {
@Override
@Test public void notPublic() {
}
}
public ParameterizedTestMethodTest(Class<?> class1, int errorCount) {
fClass= class1;
fErrorCount= errorCount;
}
@Parameters
public static Collection<Object[]> params() {
return Arrays.asList(new Object[][] {
{ EverythingWrong.class, 1 + 4 * 5 }, { SubWrong.class, 1 },
{ SubShadows.class, 0 } });
}
private List<Throwable> validateAllMethods(Class<?> clazz) {
try {
new JUnit4ClassRunner(clazz);
} catch (InitializationError e) {
return e.getCauses();
}
return Collections.emptyList();
}
@Test public void testFailures() throws Exception {
List<Throwable> problems= validateAllMethods(fClass);
assertEquals(fErrorCount, problems.size());
}
public static junit.framework.Test suite() {
return new JUnit4TestAdapter(ParameterizedTestMethodTest.class);
}
}