162 lines
6.1 KiB
Java
162 lines
6.1 KiB
Java
/*
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* Copyright (c) 2017, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary JVM should be able to handle full path (directory path plus
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* class name) or directory path longer than MAX_PATH specified
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* in -Xbootclasspath/a on windows.
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* @requires vm.flagless
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* jdk.jartool/sun.tools.jar
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* @run driver LongBCP
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*/
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import java.io.File;
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import java.nio.file.Files;
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import java.nio.file.FileStore;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.Arrays;
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import java.util.spi.ToolProvider;
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import jdk.test.lib.compiler.CompilerUtils;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class LongBCP {
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private static final int MAX_PATH = 260;
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private static final ToolProvider JAR = ToolProvider.findFirst("jar")
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.orElseThrow(() -> new RuntimeException("ToolProvider for jar not found"));
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public static void main(String args[]) throws Exception {
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Path sourceDir = Paths.get(System.getProperty("test.src"), "test-classes");
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Path classDir = Paths.get(System.getProperty("test.classes"));
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Path destDir = classDir;
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// create a sub-path so that the destDir length is almost MAX_PATH
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// so that the full path (with the class name) will exceed MAX_PATH
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int subDirLen = MAX_PATH - classDir.toString().length() - 2;
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if (subDirLen > 0) {
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char[] chars = new char[subDirLen];
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Arrays.fill(chars, 'x');
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String subPath = new String(chars);
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destDir = Paths.get(System.getProperty("test.classes"), subPath);
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}
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CompilerUtils.compile(sourceDir, destDir);
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String bootCP = "-Xbootclasspath/a:" + destDir.toString();
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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bootCP, "Hello");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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// increase the length of destDir to slightly over MAX_PATH
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destDir = Paths.get(destDir.toString(), "xxxxx");
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CompilerUtils.compile(sourceDir, destDir);
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bootCP = "-Xbootclasspath/a:" + destDir.toString();
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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bootCP, "Hello");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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// create a hello.jar
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String helloJar = destDir.toString() + File.separator + "hello.jar";
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if (JAR.run(System.out, System.err, "-cf", helloJar, "-C", destDir.toString(), "Hello.class") != 0) {
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throw new RuntimeException("jar operation for hello.jar failed");
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}
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// run with long bootclasspath to hello.jar
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bootCP = "-Xbootclasspath/a:" + helloJar;
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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bootCP, "Hello");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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// relative path tests
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//
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// relative path length within the file system limit
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int fn_max_length = 255;
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// In AUFS file system, the maximal file name length is 242
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FileStore store = Files.getFileStore(new File(".").toPath());
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String fs_type = store.type();
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if ("aufs".equals(fs_type)) {
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fn_max_length = 242;
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}
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char[] chars = new char[fn_max_length];
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Arrays.fill(chars, 'y');
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String subPath = new String(chars);
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destDir = Paths.get(".", subPath);
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CompilerUtils.compile(sourceDir, destDir);
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bootCP = "-Xbootclasspath/a:" + destDir.toString();
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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bootCP, "Hello");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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// Test a relative path for a jar file < MAX_PATH, but where the
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// absolute path is > MAX_PATH.
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Path jarDir = Paths.get(".");
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for (int i = 0; i < 21; ++i) {
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jarDir = jarDir.resolve("0123456789");
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}
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Files.createDirectories(jarDir);
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Path jarPath = jarDir.resolve("hello.jar");
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Files.copy(Paths.get(helloJar), jarPath);
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bootCP = "-Xbootclasspath/a:" + jarPath.toString();
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(bootCP, "Hello");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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// total relative path length exceeds MAX_PATH
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destDir = Paths.get(destDir.toString(), "yyyyyyyy");
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CompilerUtils.compile(sourceDir, destDir);
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bootCP = "-Xbootclasspath/a:" + destDir.toString();
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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bootCP, "Hello");
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output = new OutputAnalyzer(pb.start());
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output.shouldContain("Hello World")
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.shouldHaveExitValue(0);
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}
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}
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