Add test for the Serialize identifier validation

tests/465_validate_ser_identifiers.rs

@@ -0,0 +1,89 @@
+use serde::ser::{SerializeStruct, SerializeStructVariant, Serializer};
+
+#[test]
+fn invalid_struct_name() {
+    let mut ser = ron::Serializer::new(Vec::new(), None).unwrap();
+
+    assert_eq!(
+        ser.serialize_newtype_struct("", &true).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_tuple_struct("", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_struct("", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+}
+
+#[test]
+fn invalid_enum_variant_name() {
+    let mut ser = ron::Serializer::new(Vec::new(), None).unwrap();
+
+    assert_eq!(
+        ser.serialize_unit_variant("", 0, "A").err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_unit_variant("A", 0, "").err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_newtype_variant("", 0, "A", &true).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_newtype_variant("A", 0, "", &true).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_tuple_variant("", 0, "A", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_tuple_variant("A", 0, "", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_struct_variant("", 0, "A", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    assert_eq!(
+        ser.serialize_struct_variant("A", 0, "", 0).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+}
+
+#[test]
+fn invalid_struct_field_name() {
+    let mut ser = ron::Serializer::new(Vec::new(), None).unwrap();
+
+    let mut r#struct = ser.serialize_struct("A", 2).unwrap();
+    SerializeStruct::serialize_field(&mut r#struct, "A", &true).unwrap();
+
+    assert_eq!(
+        SerializeStruct::serialize_field(&mut r#struct, "", &true).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+
+    std::mem::drop(r#struct);
+
+    let mut r#struct = ser.serialize_struct_variant("A", 0, "A", 2).unwrap();
+    SerializeStructVariant::serialize_field(&mut r#struct, "A", &true).unwrap();
+
+    assert_eq!(
+        SerializeStructVariant::serialize_field(&mut r#struct, "", &true).err(),
+        Some(ron::Error::InvalidIdentifier(String::from(""))),
+    );
+}