--- /dev/null	2018-09-04 17:27:28.996000000 +0530
+++ new/test/javax/swing/LookAndFeel/8145547/DemandGTK.java	2018-09-05 12:09:50.468468000 +0530
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018, 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
+  @summary  Tests that GTK LaF is supported on solaris
+            regardless of jdk.gtk.version flag values.
+  @bug 8156121
+  @requires (os.name == "linux" | os.name == "solaris")
+  @run main/othervm -Djdk.gtk.version=2 DemandGTK
+  @run main/othervm -Djdk.gtk.version=3 DemandGTK
+*/
+
+import javax.swing.JFrame;
+import javax.swing.UIManager;
+import javax.swing.SwingUtilities;
+import java.awt.Robot;
+
+public class DemandGTK {
+
+    static JFrame frame;
+    public static void createAndShow() {
+        try {
+            UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
+        } catch(Exception cnf) {
+            cnf.printStackTrace();
+            throw new RuntimeException("GTK LaF must be supported");
+        }
+        frame = new JFrame("JFrame");
+        frame.setSize(200, 200);
+
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) throws Exception {
+        SwingUtilities.invokeAndWait(DemandGTK::createAndShow);
+        Robot robot = new Robot();
+        robot.waitForIdle();
+        robot.delay(1000);
+        SwingUtilities.invokeAndWait( () -> {
+            frame.setVisible(false);
+            frame.dispose();
+        });
+
+    }
+}