Fix gfm email autolink literals overlapping

1 files changed, 17 insertions, 2 deletions

diff --git a/tests/fuzz.rs b/tests/fuzz.rs
index 3cc1066..126032a 100644
--- a/tests/fuzz.rs
+++ b/tests/fuzz.rs
@@ -1,5 +1,5 @@
 extern crate micromark;
-use micromark::micromark;
+use micromark::{micromark, micromark_with_options, Constructs, Options};
 use pretty_assertions::assert_eq;
 
 #[test]
@@ -7,7 +7,22 @@ fn fuzz() -> Result<(), String> {
     assert_eq!(
         micromark("[\n~\na\n-\n\n"),
         "<p>[\n~\na</p>\n<ul>\n<li></li>\n</ul>\n",
-        "1"
+        "1: label, blank lines, and code"
+    );
+
+    assert_eq!(
+        // The first link is stopped by the `+` (so it’s `a@b.c`), but the next
+        // link overlaps it (`b.c+d@e.f`).
+        micromark_with_options(
+            "a@b.c+d@e.f",
+            &Options {
+                constructs: Constructs::gfm(),
+                gfm_tagfilter: true,
+                ..Options::default()
+            }
+        )?,
+        "<p><a href=\"mailto:a@b.c\">a@b.c</a><a href=\"mailto:+d@e.f\">+d@e.f</a></p>",
+        "2: gfm: email autolink literals running into each other"
     );
 
     Ok(())