test: verify wrong attribute value spans for char refs

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/test_spans.rs b/tests/test_spans.rs
index d3e62ae..bc6aeee 100644
--- a/tests/test_spans.rs
+++ b/tests/test_spans.rs
@@ -132,6 +132,22 @@ fn attribute_value_span() {
 }
 
 #[test]
+fn attribute_value_with_char_ref() {
+    let html = "<test x=&amp; y='&amp;' z=\"&amp;\">";
+    let mut labels = Vec::new();
+    let Token::StartTag(tag) = tokenizer(html).next().unwrap() else {
+        panic!("expected start tag")
+    };
+    for attr in &tag.attributes {
+        labels.push((attr.value_span().unwrap(), ""));
+    }
+    assert_snapshot!(annotate(html, labels), @r###"
+    <test x=&amp; y='&amp;' z="&amp;">
+            ^        ^         ^
+    "###);
+}
+
+#[test]
 fn comment_proper_data_span() {
     let html = "<!-- Why are you looking at the source code? -->";
     let Token::Comment(comment) = tokenizer(html).next().unwrap() else {