Java by API/org.junit/Test

org.junit.Test

  
import static org.junit.Assert.assertTrue;
import junit.framework.JUnit4TestAdapter;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
 * Some simple tests.
 *
 */
public class Main{
  public static void main (String... args) {
    junit.textui.TestRunner.run (suite());
  }
  
  @BeforeClass public static void setUpOnce() {
      System.out.println("@BeforeClass: set up onece");
  }
  
  @Before public void setUp() {
      System.out.println("@Before: set up ");
  }
  public static junit.framework.Test suite() {
    return new JUnit4TestAdapter(Main.class);
  }
  
  @Test public void testCopy() {
      assertTrue(1 == 1);
  }
  
}

Test.expected()

 
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import junit.framework.JUnit4TestAdapter;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
public class MainClass{
  public static void main (String... args) {
    junit.textui.TestRunner.run (suite());
  }
  
  public static junit.framework.Test suite() {
    return new JUnit4TestAdapter(MainClass.class);
  }
  
  @Test (expected=IndexOutOfBoundsException.class) public void elementAt() {
    int[] intArray = new int[10];
    
    int i = intArray[20]; // Should throw IndexOutOfBoundsException
  }
}