diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Global/parseFloat-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Global/parseFloat-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 613492;
+var summary = "ES5 15.1.2.3 parseFloat(string)";
+
+print(BUGNUMBER + ": " + summary);
+
+assertEq(parseFloat("Infinity"), Infinity);
+assertEq(parseFloat("+Infinity"), Infinity);
+assertEq(parseFloat("-Infinity"), -Infinity);
+
+assertEq(parseFloat("inf"), NaN);
+assertEq(parseFloat("Inf"), NaN);
+assertEq(parseFloat("infinity"), NaN);
+
+assertEq(parseFloat("nan"), NaN);
+assertEq(parseFloat("NaN"), NaN);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");