SelectionSortTest.java

package com.anuragkapur.sorting;

import org.junit.Test;

import static org.junit.Assert.*;

/**
 * @author anuragkapur
 */
public class SelectionSortTest {

    SelectionSort selectionSort = new SelectionSort();

    @Test
    public void testRecursiveSort1() throws Exception {

        int a[] = null;
        selectionSort.recursiveSort(a);
        assertNull(a);
    }

    @Test
    public void testRecursiveSort2() throws Exception {

        int a[] = new int[0];
        selectionSort.recursiveSort(a);
        assertEquals("[]", ArrayHelper.arrayAsString(a));
    }

    @Test
    public void testRecursiveSort3() throws Exception {

        int a[] = new int[5];
        selectionSort.recursiveSort(a);
        assertEquals("[0,0,0,0,0]", ArrayHelper.arrayAsString(a));
    }

    @Test
    public void testRecursiveSort4() throws Exception {

        int a[] = {1, 5, 2, 7, 3};
        selectionSort.recursiveSort(a);
        assertEquals("[1,2,3,5,7]", ArrayHelper.arrayAsString(a));
    }
}