1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/isFinite/return-false-on-nan-or-infinities.js b/js/src/tests/test262/built-ins/isFinite/return-false-on-nan-or-infinities.js
new file mode 100644
index 0000000000..696674a749
--- /dev/null
+++ b/js/src/tests/test262/built-ins/isFinite/return-false-on-nan-or-infinities.js
@@ -0,0 +1,19 @@
+// 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-isfinite-number
+description: >
+  Return false if number is NaN, Infinity or -Infinity
+info: |
+  isFinite (number)
+
+  1. Let num be ? ToNumber(number).
+  2. If num is NaN, +∞, or -∞, return false.
+---*/
+
+assert.sameValue(isFinite(NaN), false, "NaN");
+assert.sameValue(isFinite(Infinity), false, "Infinity");
+assert.sameValue(isFinite(-Infinity), false, "-Infinity");
+
+reportCompare(0, 0);