1 files changed, 108 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp_parse/Atom_RegExpUnicodeEscapeSequence.js b/js/src/jit-test/tests/regexp_parse/Atom_RegExpUnicodeEscapeSequence.js
new file mode 100644
index 000000000..a4171ebb8
--- /dev/null
+++ b/js/src/jit-test/tests/regexp_parse/Atom_RegExpUnicodeEscapeSequence.js
@@ -0,0 +1,108 @@
+if (typeof parseRegExp === 'undefined')
+    quit();
+
+load(libdir + "regexp_parse.js");
+
+// LeadSurrogate TrailSurrogate
+
+test("\\uD83D\\uDC38", all_flags,
+     Atom("\uD83D\uDC38"));
+test("X\\uD83D\\uDC38Y", no_unicode_flags,
+     Atom("X\uD83D\uDC38Y"));
+test("X\\uD83D\\uDC38Y", unicode_flags,
+     Text([
+         Atom("X"),
+         Atom("\uD83D\uDC38"),
+         Atom("Y")
+     ]));
+
+// LeadSurrogate
+
+test_mix("\\uD83D", no_unicode_flags,
+         Atom("\uD83D"));
+test("\\uD83D", unicode_flags,
+     Alternative([
+         Atom("\uD83D"),
+         NegativeLookahead(CharacterClass([["\uDC00", "\uDFFF"]]))
+     ]));
+test("X\\uD83DY", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Atom("\uD83D"),
+             NegativeLookahead(CharacterClass([["\uDC00", "\uDFFF"]]))
+         ]),
+         Atom("Y")
+     ]));
+
+// TrailSurrogate
+
+test_mix("\\uDC38", no_unicode_flags,
+         Atom("\uDC38"));
+test("\\uDC38", unicode_flags,
+     Alternative([
+         Assertion("NOT_AFTER_LEAD_SURROGATE"),
+         Atom("\uDC38"),
+     ]));
+test("X\\uDC38Y", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Assertion("NOT_AFTER_LEAD_SURROGATE"),
+             Atom("\uDC38"),
+         ]),
+         Atom("Y")
+     ]));
+
+// NonSurrogate / Hex4Digits
+
+test_mix("\\u0000", all_flags,
+         Atom("\u0000"));
+test_mix("\\uFFFF", all_flags,
+         Atom("\uFFFF"));
+
+// braced HexDigits
+
+test_mix("\\u{0000}", unicode_flags,
+         Atom("\u0000"));
+test_mix("\\u{FFFF}", unicode_flags,
+         Atom("\uFFFF"));
+
+test("\\u{1F438}", unicode_flags,
+     Atom("\uD83D\uDC38"));
+test("X\\u{1F438}Y", unicode_flags,
+     Text([
+         Atom("X"),
+         Atom("\uD83D\uDC38"),
+         Atom("Y")
+     ]));
+
+test("\\u{D83D}", unicode_flags,
+     Alternative([
+         Atom("\uD83D"),
+         NegativeLookahead(CharacterClass([["\uDC00", "\uDFFF"]]))
+     ]));
+test("X\\u{D83D}Y", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Atom("\uD83D"),
+             NegativeLookahead(CharacterClass([["\uDC00", "\uDFFF"]]))
+         ]),
+         Atom("Y")
+     ]));
+
+test("\\u{DC38}", unicode_flags,
+     Alternative([
+         Assertion("NOT_AFTER_LEAD_SURROGATE"),
+         Atom("\uDC38"),
+     ]));
+test("X\\u{DC38}Y", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Assertion("NOT_AFTER_LEAD_SURROGATE"),
+             Atom("\uDC38"),
+         ]),
+         Atom("Y")
+     ]));