russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
150 lines
5.1 KiB
Java
150 lines
5.1 KiB
Java
/*
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* Copyright (c) 2025, 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 8159055
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* @summary Verifies null parameter and invalid data handling of
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* ImageIcon constructors and setImage method
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* @run main ImageIconTest
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.net.URI;
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import java.net.URL;
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import java.util.Random;
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import java.awt.Image;
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import java.awt.Toolkit;
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import javax.swing.ImageIcon;
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public class ImageIconTest {
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static enum ArgType { FILE, URL, BYTE_ARRAY, IMAGE, SET_IMAGE };
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static enum ArgVal { NULL, INVALID_DATA };
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public static void main(String[] args) throws Exception {
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String imgName = "invalid.gif";
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byte[] invalidData = new byte[100];
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new Random().nextBytes(invalidData);
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try (FileOutputStream fos = new FileOutputStream(imgName)) {
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fos.write(invalidData);
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}
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File file = new File(imgName);
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file.deleteOnExit();
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for (ArgType a : ArgType.values()) {
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for (final ArgVal v : ArgVal.values()) {
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System.out.println("Testing for ArgType " + a + " for case " + v);
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boolean expected = true;
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boolean passed = false;
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try {
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switch (a) {
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case FILE :
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expected = false;
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String s = (v == ArgVal.NULL) ? null : imgName;
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new ImageIcon(s);
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passed = true; // no exception expected for this case
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break;
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case URL :
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if (v == ArgVal.NULL) {
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new ImageIcon((URL)null);
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} else if (v == ArgVal.INVALID_DATA) {
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expected = false;
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new ImageIcon(new URI("file://" + imgName).toURL());
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passed = true; // no exception expected for this case
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}
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break;
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case BYTE_ARRAY :
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if (v == ArgVal.NULL) {
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byte[] bytes = null;
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new ImageIcon(bytes);
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} else if (v == ArgVal.INVALID_DATA) {
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expected = false;
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new ImageIcon(invalidData);
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passed = true; // no exception expected for this case
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}
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break;
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case IMAGE :
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if (v == ArgVal.NULL) {
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new ImageIcon((Image)null);
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} else if (v == ArgVal.INVALID_DATA) {
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expected = false;
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new ImageIcon((Image)Toolkit.getDefaultToolkit().createImage(imgName));
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passed = true; // no exception expected for this case
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}
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break;
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case SET_IMAGE :
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ImageIcon ii = new ImageIcon();
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if (v == ArgVal.NULL) {
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ii.setImage((Image) null);
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} else if (v == ArgVal.INVALID_DATA) {
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expected = false;
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ii.setImage((Image)Toolkit.getDefaultToolkit().createImage(imgName));
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passed = true; // no exception expected for this case
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}
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break;
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}
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} catch (NullPointerException e) {
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if (expected) {
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passed = true;
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}
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}
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if (expected && !passed) {
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throw new RuntimeException("Did not receive expected exception for : " + a);
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}
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if (!expected && !passed) {
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throw new RuntimeException("Received unexpected exception for : " + a);
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}
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}
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}
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}
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}
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