add test case

Author: 38

examples/boxplot.rs

@@ -42,7 +42,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .map(|(k, v)| (k.0.clone(), k.1.clone(), Quartiles::new(&v)))
         .collect();
 
-    let host_list:Vec<_> = dataset
+    let host_list: Vec<_> = dataset
         .iter()
         .unique_by(|x| x.0.clone())
         .sorted_by(|a, b| b.2.median().partial_cmp(&a.2.median()).unwrap())
@@ -72,7 +72,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .caption("Ping Boxplot", ("sans-serif", 20).into_font())
         .build_ranged(
             values_range.start - 1.0..values_range.end + 1.0,
-            host_list[..].into_centric()
+            host_list[..].into_centric(),
         )?;
 
     chart
@@ -110,9 +110,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         6.0, 7.0, 15.9, 36.9, 39.0, 40.0, 41.0, 42.0, 43.0, 47.0, 49.0,
     ]);
     let quartiles_b = Quartiles::new(&[16.0, 17.0, 50.0, 60.0, 40.2, 41.3, 42.7, 43.3, 47.0]);
-    
+
     let ab_axis = ["a", "b"];
-    
+
     let values_range = fitting_range(
         quartiles_a
             .values()
@@ -124,7 +124,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .y_label_area_size(40)
         .caption("Vertical Boxplot", ("sans-serif", 20).into_font())
         .build_ranged(
-            (&ab_axis[..]).into_centric(),
+            ab_axis[..].into_centric(),
             values_range.start - 10.0..values_range.end + 10.0,
         )?;
 

src/coord/mod.rs

@@ -44,7 +44,7 @@ pub use ranged::{AsRangedCoord, MeshLine, Ranged, RangedCoord, ReversibleRanged}
 
 pub use partial_axis::{make_partial_axis, IntoPartialAxis};
 
-pub use discrete::{DiscreteRanged, IntoCentric, CentricValues};
+pub use discrete::{CentricValues, DiscreteRanged, IntoCentric};
 
 pub use logarithmic::{LogCoord, LogRange, LogScalable};
 

src/coord/slice.rs

@@ -62,3 +62,30 @@ impl<'a, T: PartialEq> AsRangedCoord for &'a [T] {
     type CoordDescType = RangedSlice<'a, T>;
     type Value = &'a T;
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    #[test]
+    fn test_slice_range() {
+        let my_slice = [1, 2, 3, 0, -1, -2];
+        let slice_range: RangedSlice<i32> = my_slice[..].into();
+
+        assert_eq!(slice_range.range(), &1..&-2);
+        assert_eq!(
+            slice_range.key_points(6),
+            my_slice.iter().collect::<Vec<_>>()
+        );
+        assert_eq!(slice_range.map(&&0, (0, 50)), 30);
+    }
+
+    #[test]
+    fn test_slice_range_discrete() {
+        let my_slice = [1, 2, 3, 0, -1, -2];
+        let slice_range: RangedSlice<i32> = my_slice[..].into();
+
+        assert_eq!(slice_range.size(), 6);
+        assert_eq!(slice_range.index_of(&&3), Some(2));
+        assert_eq!(slice_range.from_index(2), Some(&3));
+    }
+}

src/element/errorbar.rs

@@ -94,8 +94,8 @@ impl<K, V> ErrorBar<K, V, ErrorBarOrientH<K, V>> {
     }
 }
 
-impl<'a, K: Clone, V: Clone, O: ErrorBarOrient<K, V>>
-    PointCollection<'a, (O::XType, O::YType)> for &'a ErrorBar<K, V, O>
+impl<'a, K: Clone, V: Clone, O: ErrorBarOrient<K, V>> PointCollection<'a, (O::XType, O::YType)>
+    for &'a ErrorBar<K, V, O>
 {
     type Borrow = (O::XType, O::YType);
     type IntoIter = Vec<Self::Borrow>;

src/lib.rs

@@ -708,9 +708,9 @@ pub mod prelude {
 
     // Coordinates
     pub use crate::coord::{
-        CoordTranslate, GroupBy, IntoCentric, IntoPartialAxis, LogCoord, LogRange,
+        CentricValues, CoordTranslate, GroupBy, IntoCentric, IntoPartialAxis, LogCoord, LogRange,
         LogScalable, Ranged, RangedCoord, RangedCoordf32, RangedCoordf64, RangedCoordi32,
-        RangedCoordi64, RangedCoordu32, RangedCoordu64, ToGroupByRange, CentricValues,
+        RangedCoordi64, RangedCoordu32, RangedCoordu64, ToGroupByRange,
     };
 
     #[cfg(feature = "chrono")]