70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2007, 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.
|
|
*/
|
|
|
|
/**
|
|
* @test
|
|
* @bug 6438508
|
|
* @summary Test verifies that ImageIO.write() does not create new
|
|
* empty file if requested image format is not supported.
|
|
*
|
|
* @run main EmptyFileTest
|
|
*/
|
|
|
|
import java.awt.image.BufferedImage;
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import javax.imageio.ImageIO;
|
|
|
|
public class EmptyFileTest {
|
|
public static void main(String[] args) throws IOException {
|
|
String format = "MY_IMG";
|
|
|
|
File out = new File("output.myimg");
|
|
|
|
System.out.printf("File %s: %s\n", out.getAbsolutePath(),
|
|
out.exists() ? "EXISTS" : "NEW");
|
|
|
|
BufferedImage img = createTestImage();
|
|
|
|
boolean status = false;
|
|
try {
|
|
status = ImageIO.write(img, format, out);
|
|
} catch (IOException e) {
|
|
throw new RuntimeException("Test FAILED: unexpected exception", e);
|
|
}
|
|
if (status) {
|
|
throw new RuntimeException("Test FAILED: Format " +
|
|
format + " is supported.");
|
|
}
|
|
|
|
if (out.exists()) {
|
|
throw new RuntimeException("Test FAILED.");
|
|
}
|
|
System.out.println("Test PASSED.");
|
|
}
|
|
|
|
private static BufferedImage createTestImage() {
|
|
return new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
|
|
}
|
|
}
|