1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-single-code-unit.js b/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-single-code-unit.js
new file mode 100644
index 0000000000..b37fe8bab0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/codePointAt/return-single-code-unit.js
@@ -0,0 +1,35 @@
+// 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 single code unit value of the element at index position.
+info: |
+  21.1.3.3 String.prototype.codePointAt ( pos )
+
+  1. Let O be RequireObjectCoercible(this value).
+  2. Let S be ToString(O).
+  3. ReturnIfAbrupt(S).
+  4. Let position be ToInteger(pos).
+  5. ReturnIfAbrupt(position).
+  6. Let size be the number of elements in S.
+  7. If position < 0 or position ≥ size, return undefined.
+  8. Let first be the code unit value of the element at index position in the
+  String S.
+  9. If first < 0xD800 or first > 0xDBFF or position+1 = size, return first.
+---*/
+
+assert.sameValue('abc'.codePointAt(0), 97);
+assert.sameValue('abc'.codePointAt(1), 98);
+assert.sameValue('abc'.codePointAt(2), 99);
+
+assert.sameValue('\uAAAA\uBBBB'.codePointAt(0), 0xAAAA);
+assert.sameValue('\uD7FF\uAAAA'.codePointAt(0), 0xD7FF);
+assert.sameValue('\uDC00\uAAAA'.codePointAt(0), 0xDC00);
+assert.sameValue('\uAAAA\uBBBB'.codePointAt(0), 0xAAAA);
+
+assert.sameValue('123\uD800'.codePointAt(3), 0xD800);
+assert.sameValue('123\uDAAA'.codePointAt(3), 0xDAAA);
+assert.sameValue('123\uDBFF'.codePointAt(3), 0xDBFF);
+
+reportCompare(0, 0);