1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/fromCodePoint/argument-is-not-integer.js b/js/src/tests/test262/built-ins/String/fromCodePoint/argument-is-not-integer.js
new file mode 100644
index 0000000000..e5410178a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/fromCodePoint/argument-is-not-integer.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.2.2
+description: >
+  Throw a RangeError if an argument is not equal to its Integer representation.
+info: |
+  String.fromCodePoint ( ...codePoints )
+
+  1. Let codePoints be a List containing the arguments passed to this function.
+  2. Let length be the number of elements in codePoints.
+  3. Let elements be a new List.
+  4. Let nextIndex be 0.
+  5. Repeat while nextIndex < length
+    a. Let next be codePoints[nextIndex].
+    b. Let nextCP be ToNumber(next).
+    c. ReturnIfAbrupt(nextCP).
+    d. If SameValue(nextCP, ToInteger(nextCP)) is false, throw a RangeError
+    exception.
+  ...
+features: [String.fromCodePoint]
+---*/
+
+assert.throws(RangeError, function() {
+  String.fromCodePoint(3.14);
+});
+
+assert.throws(RangeError, function() {
+  String.fromCodePoint(42, 3.14);
+});
+
+assert.throws(RangeError, function() {
+  String.fromCodePoint('3.14');
+});
+
+// ToNumber(undefined) returns NaN.
+assert.throws(RangeError, function() {
+  String.fromCodePoint(undefined);
+});
+
+assert.throws(RangeError, function() {
+  String.fromCodePoint('_1');
+});
+
+assert.throws(RangeError, function() {
+  String.fromCodePoint('1a');
+});
+
+reportCompare(0, 0);