1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/source/value-u.js b/js/src/tests/test262/built-ins/RegExp/prototype/source/value-u.js
new file mode 100644
index 0000000000..e7847b7287
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/source/value-u.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-regexp.prototype.source
+description: >
+  Return value can be used to create an equivalent RegExp when the
+  [[OriginalFlags]] internal slot contains the `u` flag
+info: |
+  [...]
+  5. Let src be R.[[OriginalSource]].
+  6. Let flags be R.[[OriginalFlags]].
+  7. Return EscapeRegExpPattern(src, flags).
+
+  21.2.3.2.4 Runtime Semantics: EscapeRegExpPattern
+
+  [...] the internal procedure that would result from evaluating S as a
+  Pattern[~U] (Pattern[+U] if F contains "u") must behave identically to the
+  internal procedure given by the constructed object's [[RegExpMatcher]]
+  internal slot.
+---*/
+
+var re;
+
+re = eval('/' + /\ud834\udf06/u.source + '/u');
+
+assert.sameValue(re.test('\ud834\udf06'), true);
+assert.sameValue(re.test('𝌆'), true);
+
+re = eval('/' + /\u{1d306}/u.source + '/u');
+
+assert.sameValue(re.test('\ud834\udf06'), true);
+assert.sameValue(re.test('𝌆'), true);
+
+reportCompare(0, 0);