1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/escape/escape-below.js b/js/src/tests/test262/annexB/built-ins/escape/escape-below.js
new file mode 100644
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+++ b/js/src/tests/test262/annexB/built-ins/escape/escape-below.js
@@ -0,0 +1,56 @@
+// 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: Escaping of code units below 255
+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.
+       [...]
+       d. Else char < 256,
+          i. Let S be a String containing three code units "%xy" where xy are
+             the code units of two uppercase hexadecimal digits encoding the
+             value of char.
+       [...]
+---*/
+
+assert.sameValue(
+  escape('\x00\x01\x02\x03'),
+  '%00%01%02%03',
+  'characters: \\x00\\x01\\x02\\x03'
+);
+
+assert.sameValue(
+  escape('!"#$%&\'()'),
+  '%21%22%23%24%25%26%27%28%29',
+  'characters preceding "*": !"#$%&\'()'
+);
+
+assert.sameValue(escape(','), '%2C', 'character between "+" and "-": ,');
+
+assert.sameValue(
+  escape(':;<=>?'),
+  '%3A%3B%3C%3D%3E%3F',
+  'characters between "9" and "@": :;<=>?'
+);
+
+assert.sameValue(
+  escape('[\\]^'), '%5B%5C%5D%5E', 'characters between "Z" and "_": [\\]^'
+);
+
+assert.sameValue(escape('`'), '%60', 'character between "_" and "a": `');
+
+assert.sameValue(
+  escape('{|}~\x7f\x80'),
+  '%7B%7C%7D%7E%7F%80',
+  'characters following "z": {|}~\\x7f\\x80'
+);
+
+assert.sameValue(
+  escape('\xfd\xfe\xff'), '%FD%FE%FF', '\\xfd\\xfe\\xff'
+);
+
+reportCompare(0, 0);