1 files changed, 22 insertions, 0 deletions
diff --git a/third_party/rust/regex-automata/tests/gen/dense/mod.rs b/third_party/rust/regex-automata/tests/gen/dense/mod.rs
new file mode 100644
index 0000000000..b4365d4e19
--- /dev/null
+++ b/third_party/rust/regex-automata/tests/gen/dense/mod.rs
@@ -0,0 +1,22 @@
+use regex_automata::{Input, Match};
+
+mod multi_pattern_v2;
+
+#[test]
+fn multi_pattern_v2() {
+    use multi_pattern_v2::MULTI_PATTERN_V2 as RE;
+
+    assert_eq!(Some(Match::must(0, 0..4)), RE.find("abcd"));
+    assert_eq!(Some(Match::must(0, 2..6)), RE.find("@ abcd @"));
+    assert_eq!(Some(Match::must(1, 0..6)), RE.find("@abcd@"));
+    assert_eq!(Some(Match::must(0, 1..5)), RE.find("\nabcd\n"));
+    assert_eq!(Some(Match::must(0, 1..5)), RE.find("\nabcd wxyz\n"));
+    assert_eq!(Some(Match::must(1, 1..7)), RE.find("\n@abcd@\n"));
+    assert_eq!(Some(Match::must(2, 0..6)), RE.find("@abcd@\r\n"));
+    assert_eq!(Some(Match::must(1, 2..8)), RE.find("\r\n@abcd@"));
+    assert_eq!(Some(Match::must(2, 2..8)), RE.find("\r\n@abcd@\r\n"));
+
+    // Fails because we have heuristic support for Unicode word boundaries
+    // enabled.
+    assert!(RE.try_search(&Input::new(b"\xFF@abcd@\xFF")).is_err());
+}