Fix fuzzer-found skip-ident bug

ron-rs · Sep 1, 2023 · 1e8c29e · 1e8c29e
1 parent 39c0929
commit 1e8c29e
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/src/parse.rs b/src/parse.rs
@@ -838,7 +838,7 @@ impl<'a> Parser<'a> {
 
         if let Some(c) = self.peek() {
             // maybe a normal identifier
-            if is_xid_start(c) {
+            if is_ident_first_char(c) {
                 self.advance(
                     c.len_utf8() + self.next_chars_while_from(c.len_utf8(), is_xid_continue),
                 );

diff --git a/tests/321_unicode_ident.rs b/tests/321_unicode_ident.rs
@@ -17,3 +17,15 @@ fn roundtrip_unicode_ident() {
 
     assert_eq!(Ok(value), deserial);
 }
+
+#[test]
+fn fuzzer_issues() {
+    assert_eq!(
+        ron::from_str::<ron::Value>("(__: ())").unwrap(),
+        ron::Value::Map(
+            [(ron::Value::String(String::from("__")), ron::Value::Unit)]
+                .into_iter()
+                .collect()
+        )
+    );
+}