1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/regex/tests/regression.rs b/vendor/regex/tests/regression.rs
index e8b252538..291062a77 100644
--- a/vendor/regex/tests/regression.rs
+++ b/vendor/regex/tests/regression.rs
@@ -220,3 +220,44 @@ matiter!(empty_group_find, r"()Ј01", "zЈ01", (1, 5));
 
 // See: https://github.com/rust-lang/regex/issues/862
 mat!(non_greedy_question_literal, r"ab??", "ab", Some((0, 1)));
+
+// See: https://github.com/rust-lang/regex/issues/981
+#[cfg(feature = "unicode")]
+#[test]
+fn regression_bad_word_boundary() {
+    let re = regex_new!(r#"(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))"#).unwrap();
+    let hay = "ubi-Darwin-x86_64.tar.gz";
+    assert!(!re.is_match(text!(hay)));
+    let hay = "ubi-Windows-x86_64.zip";
+    assert!(re.is_match(text!(hay)));
+}
+
+// See: https://github.com/rust-lang/regex/issues/982
+#[cfg(feature = "unicode-perl")]
+#[test]
+fn regression_unicode_perl_not_enabled() {
+    let pat = r"(\d+\s?(years|year|y))?\s?(\d+\s?(months|month|m))?\s?(\d+\s?(weeks|week|w))?\s?(\d+\s?(days|day|d))?\s?(\d+\s?(hours|hour|h))?";
+    let re = regex_new!(pat);
+    assert!(re.is_ok());
+}
+
+// See: https://github.com/rust-lang/regex/issues/995
+#[test]
+fn regression_big_regex_overflow() {
+    let pat = r" {2147483516}{2147483416}{5}";
+    let re = regex_new!(pat);
+    assert!(re.is_err());
+}
+
+#[test]
+fn regression_complete_literals_suffix_incorrect() {
+    let needles = vec![
+        "aA", "bA", "cA", "dA", "eA", "fA", "gA", "hA", "iA", "jA", "kA",
+        "lA", "mA", "nA", "oA", "pA", "qA", "rA", "sA", "tA", "uA", "vA",
+        "wA", "xA", "yA", "zA",
+    ];
+    let pattern = needles.join("|");
+    let re = regex!(&pattern);
+    let hay = "FUBAR";
+    assert_eq!(0, re.find_iter(text!(hay)).count());
+}