1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/charCodeAt/pos-rounding.js b/js/src/tests/test262/built-ins/String/prototype/charCodeAt/pos-rounding.js
new file mode 100644
index 0000000000..577d1e1fc8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/charCodeAt/pos-rounding.js
@@ -0,0 +1,30 @@
+// 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-string.prototype.charcodeat
+description: Rounding of the provided "pos" number
+info: |
+  [...]
+  3. Let position be ? ToInteger(pos).
+  [...]
+
+  7.1.4 ToInteger
+
+  1. Let number be ? ToNumber(argument).
+  2. If number is NaN, return +0.
+  3. If number is +0, -0, +∞, or -∞, return number.
+  4. Return the number value that is the same sign as number and whose
+     magnitude is floor(abs(number)). 
+---*/
+
+var aCode = 97;
+var bCode = 98;
+
+assert.sameValue('abc'.charCodeAt(-0.99999), aCode, '-0.99999');
+assert.sameValue('abc'.charCodeAt(-0.00001), aCode, '-0.00001');
+assert.sameValue('abc'.charCodeAt(0.00001), aCode, '0.00001');
+assert.sameValue('abc'.charCodeAt(0.99999), aCode, '0.99999');
+assert.sameValue('abc'.charCodeAt(1.00001), bCode, '1.00001');
+assert.sameValue('abc'.charCodeAt(1.99999), bCode, '1.99999');
+
+reportCompare(0, 0);