// http://java-x.blogspot.com/2007/01/unit-testing-with-junit-40.html
// Abhi Vuyyuru
// The class Stack.java is not given.

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.Collection;
import java.util.EmptyStackException;
import java.util.Stack;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith (value = Parameterized.class)
public class StackTest
{
   Stack<Integer> stack;

   private int number;

   public StackTest (int number)
   {
      this.number = number;
   }

   @Parameters public static Collection data()
   {
      Object[][] data = new Object[][] { { 1 }, { 2 }, { 3 }, { 4 } };
      return Arrays.asList (data);
   }

   @Before public void noSetup()
   {
      stack = new Stack<Integer>();
   }

   @After public void noTearDown()
   {
      stack = null;
   }

   @Test public void pushTest()
   {
      stack.push (number);
      assertEquals (stack.peek(), number);
   }

   @Test public void popTest()
   {
   }

   @Test (expected = EmptyStackException.class) public void peekTest()
   {
      stack = new Stack<Integer>();
      stack.peek();
   }

   @Test public void emptyTest()
   {
      stack = new Stack<Integer>();
      assertTrue (stack.isEmpty());
   }

   @Test public void searchTest()
   {
   }
}