test: add test for conversion from KeyRange

Signed-off-by: bsbds <[email protected]>

crates/utils/src/interval_map/mod.rs

@@ -980,11 +980,12 @@ where
 /// The Interval stored in `IntervalMap`
 /// Represents the interval [low, high)
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[non_exhaustive]
 pub struct Interval<T> {
     /// Low value
-    low: T,
+    pub low: T,
     /// high value
-    high: T,
+    pub high: T,
 }
 
 impl<T: Ord> Interval<T> {

crates/xlineapi/src/interval.rs

@@ -72,4 +72,16 @@ mod tests {
         assert!(BytesAffine::new_key("abcd") < BytesAffine::new_unbounded());
         assert_eq!(BytesAffine::new_unbounded(), BytesAffine::new_unbounded());
     }
+
+    #[test]
+    fn convert_from_key_range_is_ok() {
+        let range0 = KeyRange::new("a", "e");
+        let range1 = KeyRange::new_one_key("f");
+        let interval0: Interval<BytesAffine> = range0.into();
+        let interval1: Interval<BytesAffine> = range1.into();
+        assert_eq!(interval0.low, BytesAffine::new_key("a"));
+        assert_eq!(interval0.high, BytesAffine::new_key("e"));
+        assert_eq!(interval1.low, BytesAffine::new_key("f"));
+        assert_eq!(interval1.high, BytesAffine::new_key("f\0"));
+    }
 }