chore: checkpoint before Python removal

vendor/regex/tests/lib.rs

@@ -0,0 +1,58 @@
+#![cfg_attr(feature = "pattern", feature(pattern))]
+
+mod fuzz;
+mod misc;
+mod regression;
+mod regression_fuzz;
+mod replace;
+#[cfg(feature = "pattern")]
+mod searcher;
+mod suite_bytes;
+mod suite_bytes_set;
+mod suite_string;
+mod suite_string_set;
+
+const BLACKLIST: &[&str] = &[
+    // Nothing to blacklist yet!
+];
+
+fn suite() -> anyhow::Result<regex_test::RegexTests> {
+    let _ = env_logger::try_init();
+
+    let mut tests = regex_test::RegexTests::new();
+    macro_rules! load {
+        ($name:expr) => {{
+            const DATA: &[u8] =
+                include_bytes!(concat!("../testdata/", $name, ".toml"));
+            tests.load_slice($name, DATA)?;
+        }};
+    }
+
+    load!("anchored");
+    load!("bytes");
+    load!("crazy");
+    load!("crlf");
+    load!("earliest");
+    load!("empty");
+    load!("expensive");
+    load!("flags");
+    load!("iter");
+    load!("leftmost-all");
+    load!("line-terminator");
+    load!("misc");
+    load!("multiline");
+    load!("no-unicode");
+    load!("overlapping");
+    load!("regression");
+    load!("set");
+    load!("substring");
+    load!("unicode");
+    load!("utf8");
+    load!("word-boundary");
+    load!("word-boundary-special");
+    load!("fowler/basic");
+    load!("fowler/nullsubexpr");
+    load!("fowler/repetition");
+
+    Ok(tests)
+}