IntArrayWorkerTester.java

public class IntArrayWorkerTester {
	/** method to test setMatrix */
	public static void testSetMatrix() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums = { { 1, 1, 1 }, { 2, 2, 2 } };
		worker.setMatrix(nums);
		System.out.println("This should have all 1's in first row and all 2's in second");
		worker.print();
	}

	/** Method to test fillPattern1 */
	public static void testFillPattern1() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums = new int[3][4];
		worker.setMatrix(nums);
		worker.fillPattern1();
		System.out.println("fills with 2's on diagonal, 3's to left, and 1's to right");
		worker.print();
	}

	/** Method to test getCount */
	public static void testGetCount() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums = new int[3][4];
		worker.setMatrix(nums);
		worker.fillPattern1();
		int count = worker.getCount(1);
		System.out.println("Count should be 6 and count is " + count);
	}

	/** Method to test getTotal */
	public static void testGetTotal() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums2 = { { 1, 2, 3 }, { 4, 5, 6 } };
		worker.setMatrix(nums2);
		int total = worker.getTotal();
		System.out.println("Total should be 21 and is " + total);
	}

	/** Method to test getTotalNested */
	public static void testGetTotalNested() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums2 = { { 1, 2, 3 }, { 4, 5, 6 } };
		worker.setMatrix(nums2);
		int total = worker.getTotalNested();
		System.out.println("Total should be 21 and is " + total);
	}

	/** Method to test getLargest */
	public static void testGetLargest() { // test when largest is last
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums2 = { { 1, 2, 3 }, { 4, 5, 6 } };
		worker.setMatrix(nums2);
		int largest = worker.getLargest();
		System.out.println("Largest should be 6 and is " + largest);
		// test when largest is first
		int[][] nums3 = { { 6, 2, 3 }, { 4, 5, 1 } };
		worker.setMatrix(nums3);
		largest = worker.getLargest();
		System.out.println("Largest should be 6 and is " + largest);
		// test when largest is in the middle
		int[][] nums4 = { { 1, 2, 3 }, { 6, 5, 1 } };
		worker.setMatrix(nums4);
		largest = worker.getLargest();
		System.out.println("Largest should be 6 and is " + largest);
		// test when duplicate largest
		int[][] nums5 = { { 6, 2, 6 }, { 4, 5, 1 } };
		worker.setMatrix(nums5);
		largest = worker.getLargest();
		System.out.println("Largest should be 6 and is " + largest);
	}

	/** Method to test getColTotal */
	public static void testGetColTotal() {
		IntArrayWorker worker = new IntArrayWorker();
		int[][] nums2 = { { 1, 2, 3 }, { 4, 5, 6 } };
		worker.setMatrix(nums2);
		int total = worker.getColTotal(0);
		System.out.println("Total for column 0 should be 5 and is " + total);
		total = worker.getColTotal(1);
		System.out.println("Total for column 1 should be 7 and is " + total);
		total = worker.getColTotal(2);
		System.out.println("Total for column 2 should be 9 and is " + total);
	}

	public static void main(String[] args) {
		testSetMatrix();
		testFillPattern1();
		testGetCount();
		testGetTotal();
		testGetTotalNested();
		testGetLargest();
		testGetColTotal();
	}
}