Copies over HeapSortTests

src/tests/gitlab/ckpt2/HeapSortTests.java

+package tests.gitlab.ckpt2;
+
+import p2.sorts.HeapSort;
+import tests.TestsUtility;
+
+public class HeapSortTests extends TestsUtility {
+	public static void main(String[] args) {
+		new HeapSortTests().run();
+	}
+
+	@Override
+	protected void run() {
+		SHOW_TESTS = true;
+		test("integer_sorted");
+		test("integer_random");
+		finish();
+	}
+
+	public static int integer_sorted() {
+		Integer[] arr = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+		Integer[] arr_sorted = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+		HeapSort.sort(arr, (i1, i2) -> i1.compareTo(i2));
+		for(int i = 0; i < arr.length; i++) {
+			if(!arr[i].equals(arr_sorted[i]))
+				return 0;
+		}
+		return 1;
+	}
+
+	public static int integer_random() {
+		Integer[] arr = {3, 1, 4, 5, 9, 2, 6, 7, 8};
+		Integer[] arr_sorted = {1, 2, 3, 4, 5, 6, 7, 8, 9};
+		HeapSort.sort(arr, (i1, i2) -> i1.compareTo(i2));
+		for(int i = 0; i < arr.length; i++) {
+			if(!arr[i].equals(arr_sorted[i]))
+				return 0;
+		}
+		return 1;
+	}
+}