import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.Before;
import org.junit.After;
import org.junit.Ignore;

/**
 * run using: java org.junit.runner.JUnitCore BoundedStackTest
 */

public class BoundedStackTest  {

  BoundedStack b3;

  @Before public void setUp() {
    b3 = new BoundedStack(3);
  }

  @After public void tearDown() {
    b3 = null;
  }

  @Test(expected = RuntimeException.class) public void negativeCapacity() {
    BoundedStack b = new BoundedStack(-1);
  }

  @Test public void capacity() {
    assertEquals("capacity", 3, b3.getCapacity());
  }

  @Test public void popEmptyStack() {
    assertNull(b3.pop());
  }
  
  @Test public void peekEmptyStack() {
    assertNull("peek empty stack", b3.peek());
  }
  
  @Test public void peek() {
    b3.push(34);
    assertEquals("peek34", 34, b3.peek());
  }

  @Ignore("debug later") @Test public void order() {
    b3.push("first");
    b3.push("second");
    assertEquals("pop second", "second", b3.pop());
    assertEquals("pop first", "first", b3.pop());
  }

  @Test(expected = RuntimeException.class) public void testOverFillStack() {
    for(int i = 0; i<4; i++) {
      b3.push(i);
    }
  }

  @Test(timeout = 100) public void waiting() throws InterruptedException {
    Thread.sleep(50);
  }

  @Test public void nullArray() {
    Object[] a1 = new Object[2];
    Object[] a2 = new Object[2];
    assertArrayEquals("null arrays", a1, a2);
  }

}