fixup! Implement ConvexHull for all geometry types

Author: michaelkirk

geo/src/algorithm/convex_hull/mod.rs

@@ -106,32 +106,4 @@ fn swap_remove_to_first<'a, T>(slice: &mut &'a mut [T], idx: usize) -> &'a mut T
 }
 
 #[cfg(test)]
-mod tests {
-    use crate::ConvexHull;
-    use geo_types::{coord, polygon};
-
-    #[test]
-    fn collection() {
-        use crate::geometry::*;
-
-        let collection = GeometryCollection(vec![
-            Point::new(0.0, 0.0).into(),
-            Triangle::new(
-                coord! { x: 1.0, y: 0.0},
-                coord! { x: 4.0, y: 0.0},
-                coord! { x: 4.0, y: 4.0 },
-            )
-            .into(),
-        ]);
-
-        let convex_hull = collection.convex_hull();
-        assert_eq!(
-            convex_hull,
-            polygon![
-                coord! { x: 4.0, y: 0.0 },
-                coord! { x: 4.0, y: 4.0 },
-                coord! { x: 0.0, y: 0.0 }
-            ]
-        );
-    }
-}
+mod test;

geo/src/algorithm/convex_hull/test.rs

@@ -1,5 +1,6 @@
-use super::ConvexHull;
-use crate::*;
+use super::*;
+use crate::geometry::*;
+use crate::{coord, line_string, polygon};
 
 #[test]
 fn convex_hull_multipoint_test() {
@@ -78,3 +79,26 @@ fn convex_hull_multipolygon_test() {
     let res = mp.convex_hull();
     assert_eq!(res.exterior().0, correct);
 }
+
+#[test]
+fn collection() {
+    let collection = GeometryCollection(vec![
+        Point::new(0.0, 0.0).into(),
+        Triangle::new(
+            coord! { x: 1.0, y: 0.0},
+            coord! { x: 4.0, y: 0.0},
+            coord! { x: 4.0, y: 4.0 },
+        )
+        .into(),
+    ]);
+
+    let convex_hull = collection.convex_hull();
+    assert_eq!(
+        convex_hull,
+        polygon![
+            coord! { x: 4.0, y: 0.0 },
+            coord! { x: 4.0, y: 4.0 },
+            coord! { x: 0.0, y: 0.0 }
+        ]
+    );
+}