1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/escape/unmodified.js b/js/src/tests/test262/annexB/built-ins/escape/unmodified.js
new file mode 100644
index 0000000000..0f8e82c4ae
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/escape/unmodified.js
@@ -0,0 +1,23 @@
+// 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-escape-string
+es6id: B.2.1.1
+description: Do not escape a specific set of characters
+info: |
+    [...]
+    5. Repeat, while k < length,
+       a. Let char be the code unit (represented as a 16-bit unsigned integer)
+          at index k within string.
+       b. If char is one of the code units in
+          "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./",
+          then
+          i. Let S be a String containing the single code unit char.
+       [...]
+---*/
+
+var passthrough = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./';
+
+assert.sameValue(escape(passthrough), passthrough);
+
+reportCompare(0, 0);