fix tests

src/assignments/assignment07/my_itertools_grade.rs

@@ -33,7 +33,7 @@ mod test {
 
         let it = || (1..=5).cycle().my_zip((1..=3).cycle()).map(|(x, y)| x * y);
         let take15 = vec![
-            2,  // 1 * 1,
+            1,  // 1 * 1,
             4,  // 2 * 2,
             9,  // 3 * 3,
             4,  // 4 * 1,

src/assignments/assignment10/labyrinth_grade.rs

@@ -24,8 +24,7 @@ mod test {
         }
     }
 
-    #[test]
-    fn can_every_husband_rescue_his_wife() {
+    fn can_every_husband_rescue_his_wife() -> bool {
         // HINT: https://en.wikipedia.org/wiki/100_prisoners_problem
         const WIVES: usize = 100;
 
@@ -37,7 +36,7 @@ mod test {
             rooms
         });
 
-        assert!((0..WIVES).all(|his_wife| {
+        (0..WIVES).all(|his_wife| {
             // A new husband steps into the labyrinth to rescue his wife...!
             let husband = Box::new(Husband::seeking(his_wife /*👩*/));
             let strategy = Box::new(husband.has_devised_a_strategy());
@@ -57,6 +56,18 @@ mod test {
                 })
                 .is_some(/* The husband has successfully rescued his wife! 👫*/)
             // or is_none(/* The unfortunate husband has encountered the Minotaur and... 🪓*/)
-        }));
+        })
+    }
+
+    #[test]
+    fn main() {
+        let mut num_success = 0;
+        for _ in 0..10000 {
+            if can_every_husband_rescue_his_wife() {
+                num_success += 1
+            }
+        }
+
+        assert!(num_success > 3000)
     }
 }

src/assignments/assignment12/card_grade.rs

@@ -9,9 +9,9 @@ mod test_card {
     use std::thread;
     use std::time::Duration;
 
-    const NUM_CARDS: usize = 10_000;
-    const DURATION: u64 = 1;
-    const NUM_ENEMIES: usize = 100;
+    const NUM_CARDS: usize = 10000;
+    const DURATION: u64 = 20;
+    const NUM_ENEMIES: usize = 25;
 
     #[derive(Clone, Debug)]
     struct Card {
@@ -104,7 +104,7 @@ mod test_card {
                         let idx = init + (cnt % dist);
                         match ground.get_card_color(idx) {
                             Color::White => ground.flip_card(idx, Color::Blue),
-                            Color::Blue => thread::sleep(Duration::from_micros(1)),
+                            Color::Blue => thread::sleep(Duration::from_micros(10)),
                         };
                         cnt += 1;
                     }