Import 'regex' package vesion 1.3.6
* Add OWNERS
* No Android.bp yet
Bug: 152884384
Test: make
Change-Id: I455caf7833b6c437c1c133bc7b2f47b83da9cbce
diff --git a/tests/bytes.rs b/tests/bytes.rs
new file mode 100644
index 0000000..d05f138
--- /dev/null
+++ b/tests/bytes.rs
@@ -0,0 +1,107 @@
+// These are tests specifically crafted for regexes that can match arbitrary
+// bytes.
+
+// A silly wrapper to make it possible to write and match raw bytes.
+struct R<'a>(&'a [u8]);
+impl<'a> R<'a> {
+ fn as_bytes(&self) -> &'a [u8] {
+ self.0
+ }
+}
+
+mat!(word_boundary, r"(?-u) \b", " δ", None);
+#[cfg(feature = "unicode-perl")]
+mat!(word_boundary_unicode, r" \b", " δ", Some((0, 1)));
+mat!(word_not_boundary, r"(?-u) \B", " δ", Some((0, 1)));
+#[cfg(feature = "unicode-perl")]
+mat!(word_not_boundary_unicode, r" \B", " δ", None);
+
+mat!(perl_w_ascii, r"(?-u)\w+", "aδ", Some((0, 1)));
+#[cfg(feature = "unicode-perl")]
+mat!(perl_w_unicode, r"\w+", "aδ", Some((0, 3)));
+mat!(perl_d_ascii, r"(?-u)\d+", "1२३9", Some((0, 1)));
+#[cfg(feature = "unicode-perl")]
+mat!(perl_d_unicode, r"\d+", "1२३9", Some((0, 8)));
+mat!(perl_s_ascii, r"(?-u)\s+", " \u{1680}", Some((0, 1)));
+#[cfg(feature = "unicode-perl")]
+mat!(perl_s_unicode, r"\s+", " \u{1680}", Some((0, 4)));
+
+// The first `(.+)` matches two Unicode codepoints, but can't match the 5th
+// byte, which isn't valid UTF-8. The second (byte based) `(.+)` takes over and
+// matches.
+mat!(
+ mixed1,
+ r"(.+)(?-u)(.+)",
+ R(b"\xCE\x93\xCE\x94\xFF"),
+ Some((0, 5)),
+ Some((0, 4)),
+ Some((4, 5))
+);
+
+mat!(case_ascii_one, r"(?i-u)a", "A", Some((0, 1)));
+mat!(case_ascii_class, r"(?i-u)[a-z]+", "AaAaA", Some((0, 5)));
+#[cfg(feature = "unicode-case")]
+mat!(case_unicode, r"(?i)[a-z]+", "aA\u{212A}aA", Some((0, 7)));
+mat!(case_not_unicode, r"(?i-u)[a-z]+", "aA\u{212A}aA", Some((0, 2)));
+
+mat!(negate_unicode, r"[^a]", "δ", Some((0, 2)));
+mat!(negate_not_unicode, r"(?-u)[^a]", "δ", Some((0, 1)));
+
+// This doesn't match in a normal Unicode regex because the implicit preceding
+// `.*?` is Unicode aware.
+mat!(dotstar_prefix_not_unicode1, r"(?-u)a", R(b"\xFFa"), Some((1, 2)));
+mat!(dotstar_prefix_not_unicode2, r"a", R(b"\xFFa"), Some((1, 2)));
+
+// Have fun with null bytes.
+mat!(
+ null_bytes,
+ r"(?-u)(?P<cstr>[^\x00]+)\x00",
+ R(b"foo\x00"),
+ Some((0, 4)),
+ Some((0, 3))
+);
+
+// Test that lookahead operators work properly in the face of invalid UTF-8.
+// See: https://github.com/rust-lang/regex/issues/277
+matiter!(
+ invalidutf8_anchor1,
+ r"(?-u)\xcc?^",
+ R(b"\x8d#;\x1a\xa4s3\x05foobarX\\\x0f0t\xe4\x9b\xa4"),
+ (0, 0)
+);
+matiter!(
+ invalidutf8_anchor2,
+ r"(?-u)^\xf7|4\xff\d\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a##########[] d\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a\x8a##########\[] #####\x80\S7|$",
+ R(b"\x8d#;\x1a\xa4s3\x05foobarX\\\x0f0t\xe4\x9b\xa4"),
+ (22, 22)
+);
+matiter!(
+ invalidutf8_anchor3,
+ r"(?-u)^|ddp\xff\xffdddddlQd@\x80",
+ R(b"\x8d#;\x1a\xa4s3\x05foobarX\\\x0f0t\xe4\x9b\xa4"),
+ (0, 0)
+);
+
+// See https://github.com/rust-lang/regex/issues/303
+#[test]
+fn negated_full_byte_range() {
+ assert!(::regex::bytes::Regex::new(r#"(?-u)[^\x00-\xff]"#).is_err());
+}
+
+matiter!(word_boundary_ascii1, r"(?-u:\B)x(?-u:\B)", "áxβ");
+matiter!(
+ word_boundary_ascii2,
+ r"(?-u:\B)",
+ "0\u{7EF5E}",
+ (2, 2),
+ (3, 3),
+ (4, 4),
+ (5, 5)
+);
+
+// See: https://github.com/rust-lang/regex/issues/264
+mat!(ascii_boundary_no_capture, r"(?-u)\B", "\u{28f3e}", Some((0, 0)));
+mat!(ascii_boundary_capture, r"(?-u)(\B)", "\u{28f3e}", Some((0, 0)));
+
+// See: https://github.com/rust-lang/regex/issues/271
+mat!(end_not_wb, r"$(?-u:\B)", "\u{5c124}\u{b576c}", Some((8, 8)));