Lab10/testSelectionSort.java at main · johnjazz47/Lab10 · GitHub

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import static org.junit.jupiter.api.Assertions.*;
import org.junit.Assert;
import org.junit.jupiter.api.Test;


class testSelectionSort {
 SelectionSort x = new SelectionSort();
	@Test
	void test() {
		testPositive();
		testNegative();
		testMixed();
		testDuplicates();
	}

	public testSelectionSort() {}

	public void testPositive() {
	int[] arr = new int[5];
	arr[0] = 8;
	arr[1] = 9;
	arr[2] = 7;
	arr[3] = 10;
	arr[4] = 2;

	int[] sortedArr = new int[5];
	sortedArr[0] = 2;
	sortedArr[1] = 7;
	sortedArr[2] = 8;
	sortedArr[3] = 9;
	sortedArr[4] = 10;


  arr = x.basicSelectionSort(arr);
	for(int i =0; i<arr.length; i++)
	assertEquals(sortedArr[i], arr[i]);
	}

	public void testNegative() {
		int[] arr = new int[5];
		arr[0] = -8;
		arr[1] = -9;
		arr[2] = -7;
		arr[3] = -10;
		arr[4] = -2;

		int[] sortedArr = new int[5];
		sortedArr[4] = -2;
		sortedArr[3] = -7;
		sortedArr[2] = -8;
		sortedArr[1] = -9;
		sortedArr[0] = -10;

    arr = x.basicSelectionSort(arr);
    for(int i =0; i<arr.length; i++)
    assertEquals(sortedArr[i], arr[i]);
	}

	public void testMixed() {
		int[] arr = new int[5];
		arr[0] = 2;
		arr[1] = -7;
		arr[2] = 8;
		arr[3] = -9;
		arr[4] = 10;

		int[] sortedArr = new int[5];
		sortedArr[0] = -9;
		sortedArr[1] = -7;
		sortedArr[2] = 2;
		sortedArr[3] = 8;
		sortedArr[4] = 10;

    arr = x.basicSelectionSort(arr);
    for(int i =0; i<arr.length; i++)
    assertEquals(sortedArr[i], arr[i]);

	}

	public void testDuplicates() {
		int[] arr = new int[5];
		arr[0] = 2;
		arr[1] = 2 ;
		arr[2] = -9 ;
		arr[3] =  7  ;
		arr[4] = -9;

		int[] sortedArr = new int[5];
		sortedArr[0] = -9;
		sortedArr[1] = -9;
		sortedArr[2] = 2;
		sortedArr[3] = 2;
		sortedArr[4] = 7;

    arr = x.basicSelectionSort(arr);
    for(int i =0; i<arr.length; i++)
    assertEquals(sortedArr[i], arr[i]);


	}


}