add tests for min and max (#2420)

* add tests

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* Update src/wasm-lib/kcl/src/std/math.rs

Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

* fmt

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* add another

Signed-off-by: Jess Frazelle <github@jessfraz.com>

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

src/wasm-lib/kcl/src/std/math.rs

@@ -533,3 +533,38 @@ pub async fn to_degrees(args: Args) -> Result<MemoryItem, KclError> {
 fn inner_to_degrees(num: f64) -> Result<f64, KclError> {
     Ok(num.to_degrees())
 }
+
+#[cfg(test)]
+mod tests {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+
+    #[test]
+    fn test_inner_max() {
+        let nums = vec![4.0, 5.0, 6.0];
+        let result = inner_max(nums);
+        assert_eq!(result, 6.0);
+    }
+
+    #[test]
+    fn test_inner_max_with_neg() {
+        let nums = vec![4.0, -5.0];
+        let result = inner_max(nums);
+        assert_eq!(result, 4.0);
+    }
+
+    #[test]
+    fn test_inner_min() {
+        let nums = vec![4.0, 5.0, 6.0];
+        let result = inner_min(nums);
+        assert_eq!(result, 4.0);
+    }
+
+    #[test]
+    fn test_inner_min_with_neg() {
+        let nums = vec![4.0, -5.0];
+        let result = inner_min(nums);
+        assert_eq!(result, -5.0);
+    }
+}