8025325: parseFloat does not handle '.' in exponent part

Reviewed-by: hannesw
diff --git a/nashorn/src/jdk/nashorn/internal/runtime/GlobalFunctions.java b/nashorn/src/jdk/nashorn/internal/runtime/GlobalFunctions.java
index 9ddc709..c750d80 100644
--- a/nashorn/src/jdk/nashorn/internal/runtime/GlobalFunctions.java
+++ b/nashorn/src/jdk/nashorn/internal/runtime/GlobalFunctions.java
@@ -211,7 +211,7 @@
             switch (ch) {
             case '.':
                 // dot allowed only once
-                if (dotSeen) {
+                if (exponentOffset != -1 || dotSeen) {
                     break loop;
                 }
                 dotSeen = true;
diff --git a/nashorn/test/script/basic/JDK-8025325.js b/nashorn/test/script/basic/JDK-8025325.js
new file mode 100644
index 0000000..63dfef9
--- /dev/null
+++ b/nashorn/test/script/basic/JDK-8025325.js
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8025325: parseFloat does not handle '.' in exponent part
+ *
+ * @test
+ * @run
+ */
+
+print(parseFloat("2e2."));
+print(parseFloat("2e2.3"));
+print(parseFloat("2e2.fdgdf"));
+print(parseFloat("2e2.   gdfgdf"));
+print(parseFloat("2e2.  "));
diff --git a/nashorn/test/script/basic/JDK-8025325.js.EXPECTED b/nashorn/test/script/basic/JDK-8025325.js.EXPECTED
new file mode 100644
index 0000000..4ddf679
--- /dev/null
+++ b/nashorn/test/script/basic/JDK-8025325.js.EXPECTED
@@ -0,0 +1,5 @@
+200
+200
+200
+200
+200