From aa26d98e2aabd55e2170fcfc936ee8f981d95e4c Mon Sep 17 00:00:00 2001
From: xmppftw <xmppftw@kl.netlib.re>
Date: Sun, 4 Aug 2024 17:27:41 +0200
Subject: [PATCH] Check attr="" parse to Some("") in Option<String>

---
 parsers/src/util/macro_tests.rs | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/parsers/src/util/macro_tests.rs b/parsers/src/util/macro_tests.rs
index d66a30d3..8e457f7c 100644
--- a/parsers/src/util/macro_tests.rs
+++ b/parsers/src/util/macro_tests.rs
@@ -1034,6 +1034,25 @@ fn optional_attribute_extract_positive_present() {
     }
 }
 
+#[test]
+fn optional_attribute_extract_positive_present_empty() {
+    #[allow(unused_imports)]
+    use std::{
+        option::Option::{None, Some},
+        result::Result::{Err, Ok},
+    };
+    match parse_str::<OptionalAttributeExtract>(
+        "<parent xmlns='urn:example:ns1'><child foo=''/></parent>",
+    ) {
+        Ok(OptionalAttributeExtract {
+            contents: Some(contents),
+        }) => {
+            assert_eq!(contents, "");
+        }
+        other => panic!("unexpected result: {:?}", other),
+    }
+}
+
 #[test]
 fn optional_attribute_extract_positive_absent() {
     #[allow(unused_imports)]
@@ -1060,6 +1079,18 @@ fn optional_attribute_extract_roundtrip_present() {
     )
 }
 
+#[test]
+fn optional_attribute_extract_roundtrip_present_empty() {
+    #[allow(unused_imports)]
+    use std::{
+        option::Option::{None, Some},
+        result::Result::{Err, Ok},
+    };
+    roundtrip_full::<OptionalAttributeExtract>(
+        "<parent xmlns='urn:example:ns1'><child foo=''/></parent>",
+    )
+}
+
 #[test]
 fn optional_attribute_extract_roundtrip_absent() {
     #[allow(unused_imports)]