math sum of squares and square of sum

rust/difference-of-squares/tests/difference_of_squares.rs

@@ -0,0 +1,46 @@
+use difference_of_squares as squares;
+
+#[test]
+fn square_of_sum_1() {
+    assert_eq!(1, squares::square_of_sum(1));
+}
+
+#[test]
+fn square_of_sum_5() {
+    assert_eq!(225, squares::square_of_sum(5));
+}
+
+#[test]
+fn square_of_sum_100() {
+    assert_eq!(25_502_500, squares::square_of_sum(100));
+}
+
+#[test]
+fn sum_of_squares_1() {
+    assert_eq!(1, squares::sum_of_squares(1));
+}
+
+#[test]
+fn sum_of_squares_5() {
+    assert_eq!(55, squares::sum_of_squares(5));
+}
+
+#[test]
+fn sum_of_squares_100() {
+    assert_eq!(338_350, squares::sum_of_squares(100));
+}
+
+#[test]
+fn difference_1() {
+    assert_eq!(0, squares::difference(1));
+}
+
+#[test]
+fn difference_5() {
+    assert_eq!(170, squares::difference(5));
+}
+
+#[test]
+fn difference_100() {
+    assert_eq!(25_164_150, squares::difference(100));
+}