package pl.polsl.java.kamil.zietek.lab2.test;

import java.util.Arrays;
import pl.polsl.java.kamil.zietek.lab2.model.Lottery;
import static org.junit.Assert.*;
import org.junit.*;

/**
 * Test for class Lottery
 *
 * @author Kamil Zietek
 * @version 2.0
 */
public class LotteryTest {

    /**
     * instance of Lottery object
     */
    Lottery instance;

    /**
     * Initialization of Lottery object
     */
    @Before
    public void init() {
        instance = new Lottery();
    }

    /**
     * Test of fillResultsWithRandomNumbers method, of class Lottery. Two arrays
     * can't be identical after fillResultsWithRandomNumbers
     */
    @Test
    public void testFillResultsWithRandomNumbersIfAreUnique() {
        Lottery instance2 = new Lottery();
        instance.fillResultsWithRandomNumbers();
        instance2.fillResultsWithRandomNumbers();
        assertFalse("Results of two randomizations are the same!", Arrays.equals(instance.getResults(), instance2.getResults()));
    }

    /**
     * Test of fillResultsWithRandomNumbers method, of class Lottery. Generated
     * array should be sorted
     */
    @Test
    public void testFillResultsWithRandomNumbersIfAreSorted() {
        instance.fillResultsWithRandomNumbers();
        int[] copy = Arrays.copyOf(instance.getResults(), instance.getResults().length);
        Arrays.sort(copy);
        assertArrayEquals("Array after sorting is different than before!", instance.getResults(), copy);//takie same wywala komunikat
    }

    /**
     * Test of fillResultsWithRandomNumbers method, of class Lottery. Array
     * can't contain recurring values
     */
    @Test
    public void testFillResultsWithRandomNumbersIfContainUniqueValues() {
        instance.fillResultsWithRandomNumbers();
        for (int i = 0; i < instance.getResults().length; i++) {
            for (int j = i + 1; j < instance.getResults().length; j++) {
                if (instance.getResults()[i] == instance.getResults()[j]) {
                    fail("One of values occurs more than once!");
                }
            }
        }
    }

    /**
     * Test of deleteTicket method, of class Lottery. Results should be array
     * containing only zeroes after calling deleteTicket().
     */
    @Test
    public void testDeleteTicket() {
        instance.deleteTicket();
        int[] tab2 = {0, 0, 0, 0, 0, 0};
        assertArrayEquals("Deleted ticket contains other values than zeroes!", instance.getResults(), tab2);
    }

}