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/*
* Copyright (c) 2022, 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 6445283
* @library /java/awt/regtesthelpers
* @build PassFailJFrame
* @summary Tests if ProgressMonitorInputStream reports progress accurately
* @run main/manual ProgressTest
*/
import java.io.InputStream;
import javax.swing.ProgressMonitorInputStream;
public class ProgressTest {
private static final String instructionsText =
"A ProgressMonitor will be shown.\n" +
" If it shows blank progressbar after 2048MB bytes read,\n"+
" press Fail else press Pass";
public static void main(String[] args) throws Exception {
PassFailJFrame pfjFrame = new PassFailJFrame("JScrollPane "
+ "Test Instructions", instructionsText, 5);
PassFailJFrame.positionTestWindow(null, PassFailJFrame.Position.VERTICAL);
final long SIZE = (long) (Integer.MAX_VALUE * 1.5);
InputStream fileIn = new InputStream() {
long read = 0;
@Override
public int available() {
return (int) Math.min(SIZE - read, Integer.MAX_VALUE);
}
@Override
public int read() {
return (SIZE - read++ > 0) ? 1 : -1;
}
};
ProgressMonitorInputStream pmis =
new ProgressMonitorInputStream(null, "Reading File", fileIn);
Thread thread = new Thread() {
public void run() {
byte[] buffer = new byte[512];
int nb = 0;
long total = 0;
while (true) {
try {
nb = pmis.read(buffer);
} catch (Exception e){}
if (nb == 0) break;
total += nb;
pmis.getProgressMonitor().setNote(total/(1024*1024)+" MB Read");
}
}
};
thread.start();
pfjFrame.awaitAndCheck();
}
}
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