310 lines
9.8 KiB
Java
310 lines
9.8 KiB
Java
/*
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* Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.awt.image.BufferedImage;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.concurrent.Callable;
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/**
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* <p>This class contains utilities useful for regression testing.
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* <p>When using jtreg you would include this class via something like:
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* <pre>
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*
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* @library ../../regtesthelpers
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* @build Util
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* </pre>
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*/
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public class Util {
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/**
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* Convert a rectangle from coordinate system of Component c to
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* screen coordinate system.
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*
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* @param r a non-null Rectangle
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* @param c a Component whose coordinate system is used for conversion
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*/
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public static void convertRectToScreen(Rectangle r, Component c) {
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Point p = new Point(r.x, r.y);
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SwingUtilities.convertPointToScreen(p, c);
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r.x = p.x;
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r.y = p.y;
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}
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/**
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* Compares two bufferedImages pixel-by-pixel.
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* return true if all pixels in the two areas are identical
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*/
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public static boolean compareBufferedImages(BufferedImage bufferedImage0, BufferedImage bufferedImage1) {
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int width = bufferedImage0.getWidth();
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int height = bufferedImage0.getHeight();
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if (width != bufferedImage1.getWidth() || height != bufferedImage1.getHeight()) {
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return false;
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}
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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if (bufferedImage0.getRGB(x, y) != bufferedImage1.getRGB(x, y)) {
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return false;
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}
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}
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}
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return true;
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}
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/**
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* Fills the heap until OutOfMemoryError occurs. This method is useful for
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* WeakReferences removing. To minimize the amount of filled memory the
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* test should provide reasonable heap size via -Xmx option.
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*/
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public static void generateOOME() {
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List<Object> bigLeak = new LinkedList<Object>();
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boolean oome = false;
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System.out.print("Filling the heap");
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try {
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for(int i = 0; true ; i++) {
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// Now, use up all RAM
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bigLeak.add(new byte[1024 * 1024]);
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System.out.print(".");
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// Give the GC a change at that weakref
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if (i % 10 == 0) {
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System.gc();
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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} catch (OutOfMemoryError e) {
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bigLeak = null;
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oome = true;
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}
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System.out.println("");
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if (!oome) {
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throw new RuntimeException("Problem with test case - never got OOME");
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}
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System.out.println("Got OOME");
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}
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/**
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* Find a sub component by class name.
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* Always run this method on the EDT thread
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*/
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public static Component findSubComponent(Component parent, String className) {
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String parentClassName = parent.getClass().getName();
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if (parentClassName.contains(className)) {
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return parent;
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}
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if (parent instanceof Container) {
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for (Component child : ((Container) parent).getComponents()) {
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Component subComponent = findSubComponent(child, className);
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if (subComponent != null) {
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return subComponent;
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}
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}
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}
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return null;
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}
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/**
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* Hits mnemonics by robot.
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*/
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public static void hitMnemonics(Robot robot, int... keys) {
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ArrayList<Integer> mnemonicKeyCodes = getSystemMnemonicKeyCodes();
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for (Integer mnemonic : mnemonicKeyCodes) {
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robot.keyPress(mnemonic);
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}
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hitKeys(robot, keys);
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for (Integer mnemonic : mnemonicKeyCodes) {
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robot.keyRelease(mnemonic);
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}
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}
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/**
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* Hits keys by robot.
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*/
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public static void hitKeys(Robot robot, int... keys) {
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for (int i = 0; i < keys.length; i++) {
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robot.keyPress(keys[i]);
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}
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for (int i = keys.length - 1; i >= 0; i--) {
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robot.keyRelease(keys[i]);
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}
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}
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/**
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* Moves mouse smoothly from (x0, y0) to (x1, y1).
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*/
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public static void glide(Robot robot, int x0, int y0, int x1, int y1) throws AWTException {
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float dmax = (float) Math.max(Math.abs(x1 - x0), Math.abs(y1 - y0));
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float dx = (x1 - x0) / dmax;
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float dy = (y1 - y0) / dmax;
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for (int i = 0; i <= dmax; i += 10) {
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robot.mouseMove((int) (x0 + dx * i), (int) (y0 + dy * i));
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}
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}
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/**
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* Gets component center point
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*
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* @return center point of the <code>component</code>
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*/
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public static Point getCenterPoint(final Component component) throws Exception {
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return Util.invokeOnEDT(new Callable<Point>() {
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@Override
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public Point call() throws Exception {
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Point p = component.getLocationOnScreen();
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Dimension size = component.getSize();
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return new Point(p.x + size.width / 2, p.y + size.height / 2);
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}
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});
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}
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/**
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* Invokes the <code>task</code> on the EDT thread.
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*
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* @return result of the <code>task</code>
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*/
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public static <T> T invokeOnEDT(final Callable<T> task) throws Exception {
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final List<T> result = new ArrayList<>(1);
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final Exception[] exception = new Exception[1];
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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try {
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result.add(task.call());
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} catch (Exception e) {
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exception[0] = e;
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}
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}
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});
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if (exception[0] != null) {
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throw exception[0];
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}
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return result.get(0);
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}
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/**
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* Gets the key codes list from modifiers
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* @param modifiers an integer combination of the modifier constants
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* @return key codes list
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*/
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public static ArrayList<Integer> getKeyCodesFromKeyMask(int modifiers) {
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ArrayList<Integer> result = new ArrayList<>();
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if ((modifiers & InputEvent.CTRL_MASK) != 0) {
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result.add(KeyEvent.VK_CONTROL);
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}
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if ((modifiers & InputEvent.ALT_MASK) != 0) {
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result.add(KeyEvent.VK_ALT);
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}
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if ((modifiers & InputEvent.SHIFT_MASK) != 0) {
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result.add(KeyEvent.VK_SHIFT);
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}
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if ((modifiers & InputEvent.META_MASK) != 0) {
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result.add(KeyEvent.VK_META);
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}
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return result;
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}
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/**
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* Gets key codes from system mnemonic key mask
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* @return key codes list
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*/
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public static ArrayList<Integer> getSystemMnemonicKeyCodes() {
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String osName = System.getProperty("os.name");
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ArrayList<Integer> result = new ArrayList<>();
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if (osName.contains("OS X")) {
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result.add(KeyEvent.VK_CONTROL);
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}
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result.add(KeyEvent.VK_ALT);
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return result;
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}
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/**
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* Creates and returns a JDialog with two button, one that says pass,
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* another that says fail. The fail button is wired to call
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* <code>uiTestFailed</code> with <code>failString</code> and the pass
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* button is wired to invoked <code>uiTestPassed</code>.
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* <p>The content pane of the JDialog uses a BorderLayout with the
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* buttons inside a horizontal box with filler between them and the
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* pass button on the left.
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* <p>The returned Dialog has not been packed, or made visible, it is
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* up to the caller to do that (after putting in some useful components).
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*/
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public static JDialog createModalDialogWithPassFailButtons(final String failString) {
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JDialog retDialog = new JDialog();
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Box buttonBox = Box.createHorizontalBox();
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JButton passButton = new JButton("Pass");
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JButton failButton = new JButton("Fail");
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passButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent ae) {
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retDialog.dispose();
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}
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});
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failButton.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent ae) {
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retDialog.dispose();
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throw new RuntimeException("Test failed. " + failString);
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}
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});
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retDialog.setTitle("Test");
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retDialog.setModalityType(Dialog.ModalityType.APPLICATION_MODAL);
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buttonBox.add(passButton);
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buttonBox.add(Box.createGlue());
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buttonBox.add(failButton);
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retDialog.getContentPane().add(buttonBox, BorderLayout.SOUTH);
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retDialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
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return retDialog;
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}
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}
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