J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @test |
| 26 | * @bug 6438508 |
| 27 | * @summary Test verifies that ImageIO.write() does not create new |
| 28 | * empty file if requested image format is not supported. |
| 29 | * |
| 30 | * @run main EmptyFileTest |
| 31 | */ |
| 32 | |
| 33 | import java.awt.image.BufferedImage; |
| 34 | import java.io.File; |
| 35 | import java.io.IOException; |
| 36 | import javax.imageio.ImageIO; |
| 37 | |
| 38 | public class EmptyFileTest { |
| 39 | public static void main(String[] args) throws IOException { |
| 40 | String format = "MY_IMG"; |
| 41 | |
| 42 | File out = new File("output.myimg"); |
| 43 | |
| 44 | System.out.printf("File %s: %s\n", out.getAbsolutePath(), |
| 45 | out.exists() ? "EXISTS" : "NEW"); |
| 46 | |
| 47 | BufferedImage img = createTestImage(); |
| 48 | |
| 49 | boolean status = false; |
| 50 | try { |
| 51 | status = ImageIO.write(img, format, out); |
| 52 | } catch (IOException e) { |
| 53 | throw new RuntimeException("Test FAILED: unexpected exception", e); |
| 54 | } |
| 55 | if (status) { |
| 56 | throw new RuntimeException("Test FAILED: Format " + |
| 57 | format + " is supported."); |
| 58 | } |
| 59 | |
| 60 | if (out.exists()) { |
| 61 | throw new RuntimeException("Test FAILED."); |
| 62 | } |
| 63 | System.out.println("Test PASSED."); |
| 64 | } |
| 65 | |
| 66 | private static BufferedImage createTestImage() { |
| 67 | return new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB); |
| 68 | } |
| 69 | } |