1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/unescape/empty-string.js b/js/src/tests/test262/annexB/built-ins/unescape/empty-string.js
new file mode 100644
index 0000000000..41c491239e
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/unescape/empty-string.js
@@ -0,0 +1,19 @@
+// 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-unescape-string
+es6id: B.2.1.2
+description: Input is the empty string
+info: |
+    1. Let string be ? ToString(string).
+    2. Let length be the number of code units in string.
+    3. Let R be the empty string.
+    4. Let k be 0.
+    5. Repeat, while k ≠ length,
+       [...]
+    6. Return R.
+---*/
+
+assert.sameValue(unescape(''), '');
+
+reportCompare(0, 0);