different_singulars_not_equal

src/rstd/collections/tree.rs

@@ -261,16 +261,24 @@ mod tests {
 
     fn singular_node(
         trees: &BalancedTrees<Trees>,
+        key: u64,
     ) -> Node<'static, TestContextPlain, AtomicObject<u64>> {
         trees
-            .try_join(trees.empty(), 0.into(), trees.empty())
+            .try_join(trees.empty(), key.into(), trees.empty())
             .unwrap()
     }
 
+    fn singular_keyed(
+        trees: &BalancedTrees<Trees>,
+        key: u64,
+    ) -> Tree<'static, TestContextPlain, AtomicObject<u64>> {
+        trees.tree_of(singular_node(trees, key)).unwrap()
+    }
+
     fn singular_tree(
         trees: &BalancedTrees<Trees>,
     ) -> Tree<'static, TestContextPlain, AtomicObject<u64>> {
-        trees.tree_of(singular_node(trees)).unwrap()
+        singular_keyed(trees, 0)
     }
 
     #[test]
@@ -304,4 +312,12 @@ mod tests {
         let reference = trees.refer(&singular_tree(&trees)).unwrap();
         assert!(trees.equal(&reference, &reference));
     }
+
+    #[test]
+    fn different_singulars_not_equal() {
+        let trees = BalancedTrees::new(new_trees());
+        let reference1 = trees.refer(&singular_keyed(&trees, 1)).unwrap();
+        let reference2 = trees.refer(&singular_keyed(&trees, 2)).unwrap();
+        assert!(!trees.equal(&reference1, &reference2));
+    }
 }