Add blueprints directory and generalize benchmark and tests.

src/belt_finding/brute_force.rs

@@ -629,23 +629,24 @@ impl Display for Bruteforce {
 mod test {
     use super::problems;
 
-    #[test]
-    fn simple() {
-        let mut b = problems::simple();
+    macro_rules! test_bruteforce {
+        ($i:ident $x:expr) => {
+            #[test]
+            fn $i() {
+                let mut b = problems::$i();
 
-        while b.next_finish_state() {}
+                while b.next_finish_state() {}
 
-        assert_eq!(b.solution_count(), 9);
+                assert_eq!(b.solution_count(), $x);
+            }
+        };
+        ($i:ident $x:expr; $($is:ident $xs:expr);+) => {
+            test_bruteforce!($i $x);
+            test_bruteforce!($($is $xs);+);
+        };
     }
 
-    #[test]
-    fn snake() {
-        let mut b = problems::snake();
-
-        while b.next_finish_state() {}
-
-        assert_eq!(b.solution_count(), 5);
-    }
+    test_bruteforce!(simple 9; mid 238240; snake 5);
 }
 
 pub mod problems {
@@ -669,6 +670,22 @@ pub mod problems {
         b.build()
     }
 
+    pub fn mid() -> Bruteforce {
+        let mut b = BruteforceBuilder::new(6, 6);
+
+        b.add_path(
+            (Position::new(0, 0), Direction::Down),
+            (Position::new(5, 5), Direction::Down),
+        );
+
+        b.add_path(
+            (Position::new(0, 5), Direction::Up),
+            (Position::new(5, 0), Direction::Up),
+        );
+
+        b.build()
+    }
+
     pub fn snake() -> Bruteforce {
         let mut p = BruteforceBuilder::new(14, 3);