Update tests

src/assignments/assignment01_grade.rs

@@ -3,22 +3,22 @@ mod test {
     use super::super::assignment01::*;
 
     #[test]
-    fn add_7_3() {
+    fn test_add_7_3() {
         assert_eq!(add(7, 3), 10);
     }
 
     #[test]
-    fn add_overflow() {
+    fn test_add_overflow() {
         assert_eq!(add(usize::MAX, 1), usize::MIN);
     }
 
     #[test]
-    fn sub_7_3() {
+    fn test_sub_7_3() {
         assert_eq!(sub(7, 3), 4);
     }
 
     #[test]
-    fn sub_overflow() {
+    fn test_sub_overflow() {
         assert_eq!(sub(usize::MIN, 1), usize::MAX);
     }
 }

src/assignments/assignment02_grade.rs

@@ -18,6 +18,7 @@ mod test {
 
     #[test]
     fn test_up3() {
+        assert_eq!(up3(1), 1);
         assert_eq!(up3(6), 9);
         assert_eq!(up3(9), 9);
         assert_eq!(up3(10), 27);
@@ -31,6 +32,8 @@ mod test {
 
     #[test]
     fn test_chooses() {
+        assert_eq!(chooses(0), vec![1]);
+        assert_eq!(chooses(1), vec![1, 1]);
         assert_eq!(chooses(5), vec![1, 5, 10, 10, 5, 1]);
         assert_eq!(chooses(6), vec![1, 6, 15, 20, 15, 6, 1]);
     }