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/*
* Copyright (c) 2020, 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.
*/
import jdk.test.lib.process.ProcessTools;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Optional;
/*
* @test
* @summary Make sure that jimages are consistent when created by jlink. Copies test jdk and runs against original.
* @bug 8252730
* @modules jdk.jlink
* jdk.management
* jdk.unsupported
* jdk.charsets
* @library /test/lib
* @run main JLinkReproducible3Test
*/
public class JLinkReproducible3Test {
public static void main(String[] args) throws Exception {
Path image1 = Paths.get("./image1");
Path image2 = Paths.get("./image2");
Path copyJdk1Dir = Path.of("./copy-jdk1-tmpdir");
Files.createDirectory(copyJdk1Dir);
Path copyJdk2Dir = Path.of("./copy-jdk2-tmpdir");
Files.createDirectory(copyJdk2Dir);
Path jdkTestDir = Path.of(
Optional.of(
System.getProperty("test.jdk"))
.orElseThrow(() -> new RuntimeException("Couldn't load JDK Test Dir"))
);
copyJDK(jdkTestDir, copyJdk1Dir);
copyJDK(jdkTestDir, copyJdk2Dir);
Path copiedJlink1 = Optional.of(
Paths.get(copyJdk1Dir.toString(), "bin", "jlink"))
.orElseThrow(() -> new RuntimeException("Unable to load copied jlink")
);
Path copiedJlink2 = Optional.of(
Paths.get(copyJdk2Dir.toString(), "bin", "jlink"))
.orElseThrow(() -> new RuntimeException("Unable to load copied jlink")
);
runCopiedJlink(copiedJlink1.toString(), "--add-modules", "java.base,jdk.management,jdk.unsupported,jdk.charsets", "--output", image1.toString());
runCopiedJlink(copiedJlink2.toString(), "--add-modules", "java.base,jdk.management,jdk.unsupported,jdk.charsets", "--output", image2.toString());
long mismatch = Files.mismatch(image1.resolve("lib").resolve("modules"), image2.resolve("lib").resolve("modules"));
if (mismatch != -1L) {
throw new RuntimeException("jlink producing inconsistent result in modules. Mismatch in modules file occurred at byte position " + mismatch);
}
}
private static void runCopiedJlink(String... args) throws Exception {
var process = new ProcessBuilder(args);
var res = ProcessTools.executeProcess(process);
res.shouldHaveExitValue(0);
}
private static void copyJDK(Path src, Path dst) throws Exception {
Files.walk(src).skip(1).forEach(file -> {
try {
Files.copy(file, dst.resolve(src.relativize(file)), StandardCopyOption.COPY_ATTRIBUTES);
} catch (IOException ioe) {
throw new UncheckedIOException(ioe);
}
});
}
}
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