1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-code-unit-coerced-position.js b/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-code-unit-coerced-position.js
new file mode 100644
index 0000000000..637a6d035d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-code-unit-coerced-position.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.3.3
+description: >
+  Return value on coerced values on ToInteger(position).
+info: |
+  21.1.3.3 String.prototype.codePointAt ( pos )
+
+  ...
+  4. Let position be ToInteger(pos).
+  ...
+
+---*/
+
+assert.sameValue('\uD800\uDC00'.codePointAt(''), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt('0'), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt(NaN), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt(false), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt(null), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt(undefined), 65536);
+assert.sameValue('\uD800\uDC00'.codePointAt([]), 65536);
+
+assert.sameValue('\uD800\uDC00'.codePointAt('1'), 56320);
+assert.sameValue('\uD800\uDC00'.codePointAt(true), 56320);
+assert.sameValue('\uD800\uDC00'.codePointAt([1]), 56320);
+
+reportCompare(0, 0);