jdk-24/test/hotspot/jtreg/runtime/cds/appcds/LongClassListPath.java
Ioi Lam ac86f59e4f 8330532: Improve line-oriented text parsing in HotSpot
Co-authored-by: John R Rose <jrose@openjdk.org>
Reviewed-by: matsaave, jsjolen
2024-05-09 07:43:03 +00:00

75 lines
2.9 KiB
Java

/*
* Copyright (c) 2019, 2024, 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
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*/
/*
* @test
* @bug 8216184
* @summary Test the handling of long path to the classlist file.
* @requires vm.cds
* @library /test/lib
* @compile test-classes/Hello.java
* @run driver LongClassListPath
*/
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.Arrays;
import jdk.test.lib.cds.CDSOptions;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
public class LongClassListPath {
private static final int MAX_PATH = 260;
public static void main(String[] args) throws Exception {
String[] classes = {"hello"};
String classList =
CDSTestUtils.makeClassList(classes).getPath();
String archiveName = "LongClassListPath.jsa";
// Create a directory with long path and copy the classlist file to
// the directory.
Path classDir = Paths.get(CDSTestUtils.getOutputDir());
Path destDir = classDir;
int subDirLen = MAX_PATH - classDir.toString().length() - 2;
if (subDirLen > 0) {
char[] chars = new char[subDirLen];
Arrays.fill(chars, 'x');
String subPath = new String(chars);
destDir = Paths.get(CDSTestUtils.getOutputDir(), subPath);
}
File longDir = destDir.toFile();
longDir.mkdir();
String destClassList = longDir.getPath() + File.separator + "LongClassListPath.classlist";
Files.copy(Paths.get(classList), Paths.get(destClassList), StandardCopyOption.REPLACE_EXISTING);
CDSOptions opts = (new CDSOptions())
.addPrefix("-XX:ExtraSharedClassListFile=" + destClassList, "-cp", JarBuilder.getOrCreateHelloJar())
.setArchiveName(archiveName);
CDSTestUtils.createArchiveAndCheck(opts);
}
}