package Zad2;

import junit.framework.TestCase;

public class TestZbior extends TestCase
{

    private Zbior z;
    protected void setUp() throws Exception
    {
        super.setUp();
        z = new Zbior();
        z.dodaj(5);
        z.dodaj(3);
        z.dodaj(6);
        z.dodaj(3);
        z.dodaj(8);
        z.dodaj(7);
    }

    protected void tearDown() throws Exception
    {
        super.tearDown();
    }

    public void testDodaj()
    {
        z.dodaj(8);
        assertEquals(8, z.zbior[ z.roz-1 ]);
        z.dodaj(3);
        assertEquals(3, z.zbior[ z.roz-1 ]);
    }

    public void testUsun() throws NotExistsInStackException
    {
        try
        {
            z.usun(90);
        }
        catch( NotExistsInStackException e )
        {
            System.err.println( e.getMessage() );
        }

        try
        {
            z.usun(3);
        }
        catch( NotExistsInStackException e )
        {
            System.err.println( e.getMessage() );
        }

        assertEquals( z.zbior[1], 6); // sprawdzaneio po usunieciu 3
        assertEquals( z.zbior[2], 8); // jw.
        assertEquals( z.zbior[3], 7); // jw.
        assertEquals( z.zbior[4], 0); // jw.
    }


    public void testPobierzSume()
    {
        assertEquals( 32, z.pobierzSume() );
    }

    public void testIloraz_elem() throws DivisionByZeroException
    {
        try
        {
            z.iloraz_elem(4);
            assertEquals( 1, z.zbior[0] );
            assertEquals( 0, z.zbior[1] );
            assertEquals( 2, z.zbior[4] );
            assertEquals( 0, z.zbior[22] );
            z.iloraz_elem(0);
        }
        catch( DivisionByZeroException e )
        {
            System.err.println( e.getMessage() );
        }
    }

    public void testSprawdz()
    {
        assertTrue( z.sprawdz(5) );
        assertFalse( z.sprawdz(72) );
        assertFalse( z.sprawdz(2) );
    }
    public void testPobierz_rozmiar()
    {
        assertEquals( 6, z.pobierz_rozmiar() );
    }

}