ListTest.java :  » Testing » junit » org » junit » samples » Java Open Source

package org.junit.samples;

import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;

import junit.framework.JUnit4TestAdapter;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;

/**
 * A sample test case, testing {@link java.util.Vector}.
 *
 */
public class ListTest {
  protected List<Integer> fEmpty;
  protected List<Integer> fFull;
  protected static List<Integer> fgHeavy;

  public static void main (String... args) {
    junit.textui.TestRunner.run (suite());
  }
  
  @BeforeClass public static void setUpOnce() {
    fgHeavy= new ArrayList<Integer>();
    for(int i= 0; i < 1000; i++)
      fgHeavy.add(i);
  }
  
  @Before public void setUp() {
    fEmpty= new ArrayList<Integer>();
    fFull= new ArrayList<Integer>();
    fFull.add(1);
    fFull.add(2);
    fFull.add(3);
  }
  public static junit.framework.Test suite() {
    return new JUnit4TestAdapter(ListTest.class);
  }
  @Ignore("not today") @Test public void capacity() {
    int size= fFull.size(); 
    for (int i= 0; i < 100; i++)
      fFull.add(i);
    assertTrue(fFull.size() == 100+size);
  }
  
  @Test public void testCopy() {
    List<Integer> copy= new ArrayList<Integer>(fFull.size());
    copy.addAll(fFull);
    assertTrue(copy.size() == fFull.size());
    assertTrue(copy.contains(1));
  }
  
  @Test public void contains() {
    assertTrue(fFull.contains(1));  
    assertTrue(!fEmpty.contains(1));
  }
  @Test (expected=IndexOutOfBoundsException.class) public void elementAt() {
    int i= fFull.get(0);
    assertTrue(i == 1);
    fFull.get(fFull.size()); // Should throw IndexOutOfBoundsException
  }
  
  @Test public void removeAll() {
    fFull.removeAll(fFull);
    fEmpty.removeAll(fEmpty);
    assertTrue(fFull.isEmpty());
    assertTrue(fEmpty.isEmpty()); 
  }
  @Test public void removeElement() {
    fFull.remove(new Integer(3));
    assertTrue(!fFull.contains(3)); 
  }
}