1 files changed, 100 insertions, 0 deletions
diff --git a/third_party/rust/serde_cbor/tests/value.rs b/third_party/rust/serde_cbor/tests/value.rs
new file mode 100644
index 0000000000..554d74266c
--- /dev/null
+++ b/third_party/rust/serde_cbor/tests/value.rs
@@ -0,0 +1,100 @@
+#[macro_use]
+extern crate serde_derive;
+
+#[cfg(feature = "std")]
+mod std_tests {
+    use serde_cbor;
+
+    use std::collections::BTreeMap;
+
+    #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+    struct TupleStruct(String, i32, u64);
+
+    #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+    struct UnitStruct;
+
+    #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+    struct Struct<'a> {
+        tuple_struct: TupleStruct,
+        tuple: (String, f32, f64),
+        map: BTreeMap<String, String>,
+        bytes: &'a [u8],
+        array: Vec<String>,
+        unit_array: Vec<UnitStruct>,
+    }
+
+    use serde_cbor::value::Value;
+    use std::iter::FromIterator;
+
+    #[test]
+    fn serde() {
+        let tuple_struct = TupleStruct(format!("test"), -60, 3000);
+
+        let tuple = (format!("hello"), -50.0040957, -12.094635556478);
+
+        let map = BTreeMap::from_iter(
+            [
+                (format!("key1"), format!("value1")),
+                (format!("key2"), format!("value2")),
+                (format!("key3"), format!("value3")),
+                (format!("key4"), format!("value4")),
+            ]
+            .iter()
+            .cloned(),
+        );
+
+        let bytes = b"test byte string";
+
+        let array = vec![format!("one"), format!("two"), format!("three")];
+        let unit_array = vec![UnitStruct, UnitStruct, UnitStruct];
+
+        let data = Struct {
+            tuple_struct,
+            tuple,
+            map,
+            bytes,
+            array,
+            unit_array,
+        };
+
+        let value = serde_cbor::value::to_value(data.clone()).unwrap();
+        println!("{:?}", value);
+
+        let data_ser = serde_cbor::to_vec(&value).unwrap();
+        let data_de_value: Value = serde_cbor::from_slice(&data_ser).unwrap();
+
+        fn as_object(value: &Value) -> &BTreeMap<Value, Value> {
+            if let Value::Map(ref v) = value {
+                return v;
+            }
+            panic!()
+        }
+
+        for ((k1, v1), (k2, v2)) in as_object(&value)
+            .iter()
+            .zip(as_object(&data_de_value).iter())
+        {
+            assert_eq!(k1, k2);
+            assert_eq!(v1, v2);
+        }
+
+        assert_eq!(value, data_de_value);
+    }
+
+    #[derive(Debug, Deserialize, Serialize)]
+    struct SmallStruct {
+        spam: u32,
+        eggs: u32,
+    }
+
+    #[test]
+    fn small_struct() {
+        // Test whether the packed format works.
+        // Field names should not be serialized,
+        // instead field indizes are serialized.
+        let value = SmallStruct { spam: 17, eggs: 42 };
+        let data = serde_cbor::ser::to_vec_packed(&value).unwrap();
+        let reference = b"\xa2\x00\x11\x01\x18\x2a";
+        assert_eq!(data, reference);
+    }
+}