1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.AWTException; 25 import java.awt.GraphicsConfiguration; 26 import java.awt.GraphicsDevice; 27 import java.awt.Robot; 28 29 /** 30 * @test 31 * @bug 8238741 32 * @summary Check that Robot constructors do not throw unexpected exceptions in 33 * headless mode 34 * @run main/othervm -Djava.awt.headless=true HeadlessRobot 35 */ 36 public final class HeadlessRobot { 37 38 public static void main(String[] args) { 39 try { 40 new Robot(); 41 throw new RuntimeException("Expected AWTException did not occur"); 42 } catch (AWTException ignored) { 43 // expected AWTException 44 } 45 46 try { 47 new Robot(new GraphicsDevice() { 48 @Override 49 public int getType() { 50 return TYPE_RASTER_SCREEN; 51 } 52 53 @Override 54 public String getIDstring() { 55 return "Stub device"; 56 } 57 58 @Override 59 public GraphicsConfiguration[] getConfigurations() { 60 return null; 61 } 62 63 @Override 64 public GraphicsConfiguration getDefaultConfiguration() { 65 return null; 66 } 67 }); 68 throw new RuntimeException("Expected AWTException did not occur"); 69 } catch (AWTException ignored) { 70 // expected AWTException 71 } 72 } 73 }