feat: add tests

Author: jtr109

Cargo.lock

@@ -49,4 +49,5 @@ members = [
     "stone_game_vii",
     "minumum_number_of_refueling_stops",
     "palindrome_pairs",
+    "matchsticks_to_square",
 ]

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "matchsticks_to_square"
+version = "0.1.0"
+authors = ["Ryan Li <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

matchsticks_to_square/Cargo.toml

@@ -0,0 +1,22 @@
+pub struct Solution {}
+
+impl Solution {
+    pub fn makesquare(matchsticks: Vec<i32>) -> bool {}
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn example_1() {
+        let matchsticks = [1, 1, 2, 2, 2];
+        assert!(Solution::makesquare(matchsticks.to_vec()));
+    }
+
+    #[test]
+    fn example_2() {
+        let matchsticks = [3, 3, 3, 3, 4];
+        assert!(!Solution::makesquare(matchsticks.to_vec()));
+    }
+}