From d36a1777b4a713627c9fb9bc571c28b7fd2a72c5 Mon Sep 17 00:00:00 2001
From: Zirak <zirakertan@gmail.com>
Date: Mon, 16 Oct 2017 20:04:51 +0300
Subject: [PATCH] Test for proper handling of incomplete hex escapes (#1274)

See relevant firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1408452
---
 .../RegExp/incomplete_hex_unicode_escape.js    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/built-ins/RegExp/incomplete_hex_unicode_escape.js

diff --git a/test/built-ins/RegExp/incomplete_hex_unicode_escape.js b/test/built-ins/RegExp/incomplete_hex_unicode_escape.js
new file mode 100644
index 00000000000..966619486ef
--- /dev/null
+++ b/test/built-ins/RegExp/incomplete_hex_unicode_escape.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 Zirak. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: An incomplete HexEscape or UnicodeEscape should be treated as an Identity Escape
+info: >
+    An incomplete HexEscape (e.g. /\x/) or UnicodeEscape (/\u/) should fall
+    through to IdentityEscape
+esid: prod-AtomEscape
+---*/
+
+// Hex escape
+assert(/\x/.test("x"), "/\\x/");
+assert(/\xa/.test("xa"), "/\\xa/");
+
+// Unicode escape
+assert(/\u/.test("u"), "/\\u/");
+assert(/\ua/.test("ua"), "/\\ua/");