114 lines
4.2 KiB
Java
114 lines
4.2 KiB
Java
/*
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* Copyright (c) 2021, 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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/*
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* @test
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* @bug 8182043
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* @summary Access to Windows Large Icons
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* @run main SystemIconTest
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*/
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import javax.swing.Icon;
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import javax.swing.ImageIcon;
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import javax.swing.filechooser.FileSystemView;
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import java.awt.image.MultiResolutionImage;
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import java.io.File;
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public class SystemIconTest {
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static final FileSystemView fsv = FileSystemView.getFileSystemView();
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public static void main(String[] args) {
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testSystemIcon();
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negativeTests();
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}
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static void testSystemIcon() {
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String os = System.getProperty("os.name");
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if (os.startsWith("Windows")) {
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String windir = System.getenv("windir");
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testSystemIcon(new File(windir), true);
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testSystemIcon(new File(windir + "/explorer.exe"),
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true);
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} else {
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String homedir = System.getProperty("user.home");
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testSystemIcon(new File(homedir), false);
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}
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}
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static void negativeTests() {
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Icon icon;
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try {
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icon = fsv.getSystemIcon(new File("."), -1, 16);
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throw new RuntimeException("Negative size icon should throw invalid argument exception");
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} catch (IllegalArgumentException iae) {
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// Expected
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}
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icon = fsv.getSystemIcon(new File("thereisdefinitelynosuchfile.why"),
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16, 16);
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if (icon != null) {
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throw new RuntimeException("Icons for files with invalid names should be null");
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}
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}
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static void testSystemIcon(File file, boolean implComplete) {
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int[] sizes = new int[] {16, 32, 48, 64, 128};
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for (int size : sizes) {
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Icon i = fsv.getSystemIcon(file, size, size);
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if (i == null) {
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throw new RuntimeException(file.getAbsolutePath() + " icon is null");
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}
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if (!(i instanceof ImageIcon)) {
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// Default UI resource icon returned - it is not covered
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// by new implementation so we can not test it
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continue;
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}
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ImageIcon icon = (ImageIcon) i;
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//Enable below to see the icon
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//JLabel label = new JLabel(icon);
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//JOptionPane.showMessageDialog(null, label);
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if (implComplete && icon.getIconWidth() != size) {
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throw new RuntimeException("Wrong icon size " +
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icon.getIconWidth() + " when requested " + size +
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" for file " + file.getAbsolutePath());
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}
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if (icon.getImage() instanceof MultiResolutionImage) {
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MultiResolutionImage mri = (MultiResolutionImage) icon.getImage();
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if (mri.getResolutionVariant(size, size) == null) {
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throw new RuntimeException("There is no suitable variant for the size "
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+ size + " in the multi resolution icon " + file.getAbsolutePath());
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}
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} else {
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if (implComplete) {
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throw new RuntimeException("icon is supposed to be" +
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" multi-resolution but it is not for " + file.getAbsolutePath());
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}
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}
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}
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}
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}
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