--- /dev/null	2017-08-10 09:12:43.000000000 +0530
+++ new/test/script/nosecurity/JDK-8185252.js	2017-08-10 09:12:40.882113700 +0530
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+/**
+ * Test that Unary minus and plus uses UNARY_MINUS and UNARY_PLUS node Kind
+ *
+ * @test
+ * @bug 8185252
+ * @option -scripting
+ * @run
+ */
+
+var parser = Java.type('jdk.nashorn.api.tree.Parser');
+var tree = Java.type('jdk.nashorn.api.tree.Tree');
+var list = Java.type('java.util.List');
+var visitor = Java.type('jdk.nashorn.api.tree.SimpleTreeVisitorES5_1');
+var cls = Java.type('java.lang.Class')
+
+function convert (value) {
+    if (!value || typeof(value) != 'object') {
+        return value;
+    }
+    var  obj = Object.bindProperties({}, value)
+    var result = {}
+    for (var i in obj) {
+        if (i == "lineMap") {
+            continue;
+        }
+
+        var val = obj[i]
+        // skip these ES6 specific properties to reduce noise
+        // in the output - unless there were set to true
+        if (typeof(val) == 'boolean' && val == false) {
+            switch (i) {
+                case "computed":
+                case "static":
+                case "restParameter":
+                case "this":
+                case "super":
+                case "star":
+                case "default":
+                case "starDefaultStar":
+                case "arrow":
+                case "generator":
+                case "let":
+                case "const":
+                    continue;
+             }
+        }
+
+        if (typeof(val) == 'object') {
+            if (val instanceof cls) {
+                continue;
+            }
+            if (val instanceof tree) {
+                result[i] = convert(val)
+            }
+            else if (val instanceof list) {
+                var lst = []
+                for (var j in val) {
+                    lst.push(convert(val[j]))
+                }
+                result[i] = lst
+            }
+            else {
+                result[i] = String(val)
+            }
+        } else if (typeof(val) != 'function') {
+            result[i] = String(val)
+        }
+    }
+    return result
+}
+
+function parse(name, code, args, visitor, listener) {
+    var tree =  parser.create(args).parse(name, code, listener || null)
+    var results = []
+    tree.accept(visitor, results)
+    print(JSON.stringify(results, null, 2))
+}
+
+
+var code = <<EOF
+
++1;
+-1;
+
+EOF
+
+parse("JDK-8185252.js", code, "-nse", new (Java.extend(visitor, {
+    visitUnary: function (node, obj) {
+        obj.push(convert(node))
+    }
+})))