1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/String/prototype/sub/B.2.3.13.js b/js/src/tests/test262/annexB/built-ins/String/prototype/sub/B.2.3.13.js
new file mode 100644
index 0000000000..53f0bcda58
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/String/prototype/sub/B.2.3.13.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.sub returns a string of HTML describing a single HTML
+     subscript element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.13
+---*/
+
+assert.sameValue('_'.sub(), '<sub>_</sub>');
+assert.sameValue('<'.sub(), '<sub><</sub>');
+assert.sameValue(String.prototype.sub.call(0x2A), '<sub>42</sub>');
+assert.throws(TypeError, function() {
+  String.prototype.sub.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.sub.call(null);
+});
+
+reportCompare(0, 0);