1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/isNaN/toprimitive-not-callable-throws.js b/js/src/tests/test262/built-ins/isNaN/toprimitive-not-callable-throws.js
new file mode 100644
index 0000000000..fdf011c870
--- /dev/null
+++ b/js/src/tests/test262/built-ins/isNaN/toprimitive-not-callable-throws.js
@@ -0,0 +1,54 @@
+// 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-isnan-number
+description: >
+  Throws a TypeError if number.@@toPrimitive is not null, undefined, or callable
+info: |
+  isNaN (number)
+
+  1. Let num be ? ToNumber(number).
+
+  ToPrimitive ( input [ , PreferredType ] )
+
+  [...]
+  4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+
+  GetMethod (V, P)
+
+  [...]
+  2. Let func be ? GetV(V, P).
+  3. If func is either undefined or null, return undefined.
+  4. If IsCallable(func) is false, throw a TypeError exception.
+features: [Symbol.toPrimitive]
+---*/
+
+var obj = {};
+
+obj[Symbol.toPrimitive] = 42;
+assert.throws(TypeError, function() {
+  isNaN(obj);
+}, "number");
+
+obj[Symbol.toPrimitive] = "";
+assert.throws(TypeError, function() {
+  isNaN(obj);
+}, "string");
+
+obj[Symbol.toPrimitive] = true;
+assert.throws(TypeError, function() {
+  isNaN(obj);
+}, "boolean");
+
+obj[Symbol.toPrimitive] = Symbol.toPrimitive;
+assert.throws(TypeError, function() {
+  isNaN(obj);
+}, "symbol");
+
+obj[Symbol.toPrimitive] = {};
+assert.throws(TypeError, function() {
+  isNaN(obj);
+}, "object");
+
+reportCompare(0, 0);