1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/character-class-escape-non-whitespace-u180e.js b/js/src/tests/test262/built-ins/RegExp/character-class-escape-non-whitespace-u180e.js
new file mode 100644
index 0000000000..d7d51c4c71
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/character-class-escape-non-whitespace-u180e.js
@@ -0,0 +1,24 @@
+// Copyright 2018 Leonardo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-characterclassescape
+description: Detect non WhiteSpace using \S+
+info: |
+    The production CharacterClassEscape :: S evaluates by returning
+    the set of all characters not included in the set returned by
+    CharacterClassEscape :: s
+
+    The Mongolian Vowel Separator (u180e) became a non whitespace character
+    since Unicode 6.3.0
+features: [u180e]
+---*/
+
+var str = String.fromCharCode(0x180E);
+assert.sameValue(
+  str.replace(/\S+/g, "test262"),
+  "test262",
+  "Non WhiteSpace character: \\u180E"
+);
+
+reportCompare(0, 0);