1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp_parse/Atom.js b/js/src/jit-test/tests/regexp_parse/Atom.js
new file mode 100644
index 000000000..c9c3ad52d
--- /dev/null
+++ b/js/src/jit-test/tests/regexp_parse/Atom.js
@@ -0,0 +1,54 @@
+if (typeof parseRegExp === 'undefined')
+    quit();
+
+load(libdir + "regexp_parse.js");
+
+test_mix("a", all_flags,
+         Atom("a"));
+test_mix("abc\u3042\u3044\u3046", all_flags,
+         Atom("abc\u3042\u3044\u3046"));
+
+// raw brace
+
+test("{", no_unicode_flags,
+     Atom("{"));
+test("{a", no_unicode_flags,
+     Atom("{a"));
+test("a{b", no_unicode_flags,
+     Atom("a{b"));
+
+test("}", no_unicode_flags,
+     Atom("}"));
+test("}a", no_unicode_flags,
+     Atom("}a"));
+test("a}b", no_unicode_flags,
+     Atom("a}b"));
+
+// raw surrogate pair
+
+test("X\uD83D\uDC38Y", unicode_flags,
+     Text([
+         Atom("X"),
+         Atom("\uD83D\uDC38"),
+         Atom("Y")
+     ]));
+
+test("X\uD83DY", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Atom("\uD83D"),
+             NegativeLookahead(CharacterClass([["\uDC00", "\uDFFF"]]))
+         ]),
+         Atom("Y")
+     ]));
+
+test("X\uDC38Y", unicode_flags,
+     Alternative([
+         Atom("X"),
+         Alternative([
+             Assertion("NOT_AFTER_LEAD_SURROGATE"),
+             Atom("\uDC38"),
+         ]),
+         Atom("Y")
+     ]));