/* * Copyright (c) 2007, 2015, 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. */ import javax.swing.*; import java.awt.*; import java.util.Locale; /* * @test * @summary Check that JComponent constructor and methods do not throw unexpected * exceptions in headless mode * @run main/othervm -Djava.awt.headless=true HeadlessJComponent */ public class HeadlessJComponent { public static void main(String args[]) { JComponent ch = new JComponent(){}; ch.getAccessibleContext(); ch.isFocusTraversable(); ch.setEnabled(false); ch.setEnabled(true); ch.requestFocus(); ch.requestFocusInWindow(); ch.getPreferredSize(); ch.getMaximumSize(); ch.getMinimumSize(); ch.contains(1, 2); Component c1 = ch.add(new Component(){}); Component c2 = ch.add(new Component(){}); Component c3 = ch.add(new Component(){}); Insets ins = ch.getInsets(); ch.getAlignmentY(); ch.getAlignmentX(); ch.getGraphics(); ch.setVisible(false); ch.setVisible(true); ch.setForeground(Color.red); ch.setBackground(Color.red); for (String font : Toolkit.getDefaultToolkit().getFontList()) { for (int j = 8; j < 17; j++) { Font f1 = new Font(font, Font.PLAIN, j); Font f2 = new Font(font, Font.BOLD, j); Font f3 = new Font(font, Font.ITALIC, j); Font f4 = new Font(font, Font.BOLD | Font.ITALIC, j); ch.setFont(f1); ch.setFont(f2); ch.setFont(f3); ch.setFont(f4); ch.getFontMetrics(f1); ch.getFontMetrics(f2); ch.getFontMetrics(f3); ch.getFontMetrics(f4); } } ch.enable(); ch.disable(); ch.reshape(10, 10, 10, 10); ch.getBounds(new Rectangle(1, 1, 1, 1)); ch.getSize(new Dimension(1, 2)); ch.getLocation(new Point(1, 2)); ch.getX(); ch.getY(); ch.getWidth(); ch.getHeight(); ch.isOpaque(); ch.isValidateRoot(); ch.isOptimizedDrawingEnabled(); ch.isDoubleBuffered(); ch.getComponentCount(); ch.countComponents(); ch.getComponent(1); ch.getComponent(2); Component[] cs = ch.getComponents(); ch.getLayout(); ch.setLayout(new FlowLayout()); ch.doLayout(); ch.layout(); ch.invalidate(); ch.validate(); ch.remove(0); ch.remove(c2); ch.removeAll(); ch.preferredSize(); ch.minimumSize(); ch.getComponentAt(1, 2); ch.locate(1, 2); ch.getComponentAt(new Point(1, 2)); ch.isFocusCycleRoot(new Container()); ch.transferFocusBackward(); ch.setName("goober"); ch.getName(); ch.getParent(); ch.getGraphicsConfiguration(); ch.getTreeLock(); ch.getToolkit(); ch.isValid(); ch.isDisplayable(); ch.isVisible(); ch.isShowing(); ch.isEnabled(); ch.enable(false); ch.enable(true); ch.enableInputMethods(false); ch.enableInputMethods(true); ch.show(); ch.show(false); ch.show(true); ch.hide(); ch.getForeground(); ch.isForegroundSet(); ch.getBackground(); ch.isBackgroundSet(); ch.getFont(); ch.isFontSet(); Container c = new Container(); c.add(ch); ch.getLocale(); for (Locale locale : Locale.getAvailableLocales()) ch.setLocale(locale); ch.getColorModel(); ch.getLocation(); boolean exceptions = false; try { ch.getLocationOnScreen(); } catch (IllegalComponentStateException e) { exceptions = true; } if (!exceptions) throw new RuntimeException("IllegalComponentStateException did not occur when expected"); ch.location(); ch.setLocation(1, 2); ch.move(1, 2); ch.setLocation(new Point(1, 2)); ch.getSize(); ch.size(); ch.setSize(1, 32); ch.resize(1, 32); ch.setSize(new Dimension(1, 32)); ch.resize(new Dimension(1, 32)); ch.getBounds(); ch.bounds(); ch.setBounds(10, 10, 10, 10); ch.setBounds(new Rectangle(10, 10, 10, 10)); ch.isLightweight(); ch.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR)); ch.getCursor(); ch.isCursorSet(); ch.inside(1, 2); ch.contains(new Point(1, 2)); ch.isFocusable(); ch.setFocusable(true); ch.setFocusable(false); ch.transferFocus(); ch.getFocusCycleRootAncestor(); ch.nextFocus(); ch.transferFocusUpCycle(); ch.hasFocus(); ch.isFocusOwner(); ch.toString(); ch.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT); ch.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT); ch.setComponentOrientation(ComponentOrientation.UNKNOWN); ch.getComponentOrientation(); } }