public class StackTest extends junit.framework.TestCase {
    
    private Stack st;

    public StackTest(String testCaseName) {
        super(testCaseName);
    }
    
    public void setUp() {
        st = new Stack(10);
    }
    
    public void testEmptyAfterCreation() {
        assertTrue("Stack should be empty after creation.", st.isEmpty());
    }
    
    public void testNonEmptyAfterPush() {
        st.push("something");
        assertTrue("Stack should not be empty after push.", !st.isEmpty());
    }
    
    public void testFullAfter10Pushes() {
        for(int i = 0; i < 10; i++) {
            st.push("something");
        }
        assertTrue("Stack should be full after 10x push.", st.isFull());
    }
    
    public void testLIFO() {
        st.push("something");
        assertEquals("The last pushed value should be the first popped one.", 
                     "something", st.pop());
    }
    
    public void tearDown() {
    }
}