| /* |
| * Copyright (c) 2011, 2013, 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.awt.event.*; |
| import java.awt.image.BufferedImage; |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import sun.swing.*; |
| |
| /** |
| * <p>This class contains utilities useful for regression testing. |
| * <p>When using jtreg you would include this class via something like: |
| * <pre> |
| * |
| * @library ../../regtesthelpers |
| * @build Util |
| * </pre> |
| */ |
| |
| public class Util { |
| /** |
| * Convert a rectangle from coordinate system of Component c to |
| * screen coordinate system. |
| * |
| * @param r a non-null Rectangle |
| * @param c a Component whose coordinate system is used for conversion |
| */ |
| public static void convertRectToScreen(Rectangle r, Component c) { |
| Point p = new Point(r.x, r.y); |
| SwingUtilities.convertPointToScreen(p, c); |
| r.x = p.x; |
| r.y = p.y; |
| } |
| |
| /** |
| * Compares two bufferedImages pixel-by-pixel. |
| * return true if all pixels in the two areas are identical |
| */ |
| public static boolean compareBufferedImages(BufferedImage bufferedImage0, BufferedImage bufferedImage1) { |
| int width = bufferedImage0.getWidth(); |
| int height = bufferedImage0.getHeight(); |
| |
| if (width != bufferedImage1.getWidth() || height != bufferedImage1.getHeight()) { |
| return false; |
| } |
| |
| for (int y = 0; y < height; y++) { |
| for (int x = 0; x < width; x++) { |
| if (bufferedImage0.getRGB(x, y) != bufferedImage1.getRGB(x, y)) { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Fills the heap until OutOfMemoryError occurs. This method is useful for |
| * WeakReferences removing. |
| */ |
| public static void generateOOME() { |
| List<Object> bigLeak = new LinkedList<Object>(); |
| |
| boolean oome = false; |
| |
| System.out.print("Filling the heap"); |
| |
| try { |
| for(int i = 0; true ; i++) { |
| // Now, use up all RAM |
| bigLeak.add(new byte[1024 * 1024]); |
| |
| System.out.print("."); |
| |
| // Give the GC a change at that weakref |
| if (i % 10 == 0) { |
| System.gc(); |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| } catch (OutOfMemoryError e) { |
| bigLeak = null; |
| oome = true; |
| } |
| |
| System.out.println(""); |
| |
| if (!oome) { |
| throw new RuntimeException("Problem with test case - never got OOME"); |
| } |
| |
| System.out.println("Got OOME"); |
| } |
| |
| /** |
| * Find a sub component by class name. |
| * Always run this method on the EDT thread |
| */ |
| public static Component findSubComponent(Component parent, String className) { |
| String parentClassName = parent.getClass().getName(); |
| |
| if (parentClassName.contains(className)) { |
| return parent; |
| } |
| |
| if (parent instanceof Container) { |
| for (Component child : ((Container) parent).getComponents()) { |
| Component subComponent = findSubComponent(child, className); |
| |
| if (subComponent != null) { |
| return subComponent; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Hits mnemonics by robot. |
| */ |
| public static void hitMnemonics(Robot robot, int... keys) { |
| |
| ArrayList<Integer> mnemonicKeyCodes = getSystemMnemonicKeyCodes(); |
| for (Integer mnemonic : mnemonicKeyCodes) { |
| robot.keyPress(mnemonic); |
| } |
| |
| hitKeys(robot, keys); |
| |
| for (Integer mnemonic : mnemonicKeyCodes) { |
| robot.keyRelease(mnemonic); |
| } |
| } |
| |
| /** |
| * Hits keys by robot. |
| */ |
| public static void hitKeys(Robot robot, int... keys) { |
| for (int i = 0; i < keys.length; i++) { |
| robot.keyPress(keys[i]); |
| } |
| |
| for (int i = keys.length - 1; i >= 0; i--) { |
| robot.keyRelease(keys[i]); |
| } |
| } |
| |
| /** |
| * Moves mouse smoothly from (x0, y0) to (x1, y1). |
| */ |
| public static void glide(Robot robot, int x0, int y0, int x1, int y1) throws AWTException { |
| float dmax = (float) Math.max(Math.abs(x1 - x0), Math.abs(y1 - y0)); |
| float dx = (x1 - x0) / dmax; |
| float dy = (y1 - y0) / dmax; |
| |
| for (int i = 0; i <= dmax; i += 10) { |
| robot.mouseMove((int) (x0 + dx * i), (int) (y0 + dy * i)); |
| } |
| } |
| |
| /** |
| * Gets component center point |
| * |
| * @return center point of the <code>component</code> |
| */ |
| public static Point getCenterPoint(final Component component) throws Exception { |
| return Util.invokeOnEDT(new Callable<Point>() { |
| |
| @Override |
| public Point call() throws Exception { |
| Point p = component.getLocationOnScreen(); |
| Dimension size = component.getSize(); |
| return new Point(p.x + size.width / 2, p.y + size.height / 2); |
| } |
| }); |
| } |
| |
| /** |
| * Invokes the <code>task</code> on the EDT thread. |
| * |
| * @return result of the <code>task</code> |
| */ |
| public static <T> T invokeOnEDT(final Callable<T> task) throws Exception { |
| final List<T> result = new ArrayList<>(1); |
| final Exception[] exception = new Exception[1]; |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| result.add(task.call()); |
| } catch (Exception e) { |
| exception[0] = e; |
| } |
| } |
| }); |
| |
| if (exception[0] != null) { |
| throw exception[0]; |
| } |
| |
| return result.get(0); |
| } |
| /** |
| * Gets key codes from system mnemonic key mask |
| * @return key codes list |
| */ |
| public static ArrayList<Integer> getSystemMnemonicKeyCodes() { |
| return Util.getKeyCodesFromKeyMask(SwingUtilities2.getSystemMnemonicKeyMask()); |
| } |
| |
| /** |
| * Gets the key codes list from modifiers |
| * @param modifiers an integer combination of the modifier constants |
| * @return key codes list |
| */ |
| public static ArrayList<Integer> getKeyCodesFromKeyMask(int modifiers) { |
| ArrayList<Integer> result = new ArrayList<>(); |
| if ((modifiers & InputEvent.CTRL_MASK) != 0) { |
| result.add(KeyEvent.VK_CONTROL); |
| } |
| if ((modifiers & InputEvent.ALT_MASK) != 0) { |
| result.add(KeyEvent.VK_ALT); |
| } |
| if ((modifiers & InputEvent.SHIFT_MASK) != 0) { |
| result.add(KeyEvent.VK_SHIFT); |
| } |
| if ((modifiers & InputEvent.META_MASK) != 0) { |
| result.add(KeyEvent.VK_META); |
| } |
| return result; |
| } |
| } |