diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/nashorn/script/basic/JDK-8031359.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/nashorn/script/basic/JDK-8031359.js	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2010, 2014, 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-8031359: Invocable.getInterface() works incorrectly if interface has default methods
+ *
+ * @test
+ * @run
+ */
+
+var func = new java.util.function.Function() {
+    apply: function(arg) {
+        print("func called with " + arg);
+        return arg.toUpperCase();
+    }
+};
+
+// Function.andThen is a default method
+func.andThen(func)("hello");
+
+// Function.compose is another default method
+func.compose(new java.util.function.Function() {
+    apply: function(arg) {
+        print("compose called with " + arg);
+        return arg.charAt(0);
+    }
+})("hello");
+
+var func2 = new java.util.function.Function() {
+    apply: function(arg) {
+        print("I am func2: " + arg);
+        return arg;
+    },
+
+    andThen: function(func) {
+        print("This is my andThen!");
+        return func;
+    }
+};
+
+func2.apply("hello");
+func2.andThen(func);