2 files changed, 21 insertions, 1 deletions
diff --git a/tests/test_deserialize.rs b/tests/test_deserialize.rs
index a620828..097cc57 100644
--- a/tests/test_deserialize.rs
+++ b/tests/test_deserialize.rs
@@ -656,3 +656,20 @@ fn deserialize_map_with_unit_enum_keys() {
     assert_eq!(test.point[&Operator::Gt], 123);
     assert_eq!(test.point[&Operator::Lt], 321);
 }
+
+#[test]
+fn deserialize_map_with_int_keys() {
+    #[derive(Debug, Deserialize)]
+    struct Mapping {
+        mapping: HashMap<u64, u64>,
+    }
+
+    let test: Mapping = serde_qs::from_str("mapping[1]=2&mapping[3]=4").unwrap();
+
+    assert_eq!(test.mapping.get(&1).cloned(), Some(2));
+    assert_eq!(test.mapping.get(&3).cloned(), Some(4));
+    assert_eq!(test.mapping.get(&2).cloned(), None);
+
+    serde_qs::from_str::<Mapping>("mapping[1]=2&mapping[1]=4")
+        .expect_err("should error with repeated key");
+}
diff --git a/tests/test_serialize.rs b/tests/test_serialize.rs
index 94a8de8..ddb7277 100644
--- a/tests/test_serialize.rs
+++ b/tests/test_serialize.rs
@@ -197,5 +197,8 @@ fn serialize_hashmap_keys() {
         .collect(),
     };
     let s = qs::to_string(&data).unwrap();
-    assert!(s == "attrs[key+1%21]=val+1&attrs[key+2%21]=val+2" || s == "attrs[key+2%21]=val+2&attrs[key+1%21]=val+1");
+    assert!(
+        s == "attrs[key+1%21]=val+1&attrs[key+2%21]=val+2"
+            || s == "attrs[key+2%21]=val+2&attrs[key+1%21]=val+1"
+    );
 }