java-topology/test/jdk/java/nio/file/spi/SetDefaultProvider.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

272 lines
9 KiB
Java

/*
* Copyright (c) 2008, 2025, 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 4313887 7006126 8142968 8178380 8183320 8210112 8266345 8263940 8331467
* 8346573 8346722
* @modules jdk.jartool jdk.jlink
* @library /test/lib
* @build testfsp/* testapp/* CustomSystemClassLoader
* @run junit SetDefaultProvider
* @summary Runs tests with -Djava.nio.file.spi.DefaultFileSystemProvider set on
* the command line to override the default file system provider
*/
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;
import java.util.spi.ToolProvider;
import java.util.stream.Stream;
import jdk.test.lib.process.ProcessTools;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.BeforeAll;
import static org.junit.jupiter.api.Assertions.*;
class SetDefaultProvider {
private static final String SET_DEFAULT_FSP =
"-Djava.nio.file.spi.DefaultFileSystemProvider=testfsp.TestProvider";
private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")
.orElseThrow(() ->
new RuntimeException("jar tool not found")
);
private static final String TESTFSP = "testfsp";
private static final String TESTAPP = "testapp";
private static final String TESTAPP_MAIN = TESTAPP + ".Main";
// directory containing testfsp class files
private static String TESTFSP_CLASSES;
// directory containing testapp class files
private static String TESTAPP_CLASSES;
@BeforeAll
static void setup() {
TESTFSP_CLASSES = classes(TESTFSP);
TESTAPP_CLASSES = classes(TESTAPP);
}
/**
* Test file system provider exploded on the class path.
*/
@Test
void testFspOnClassPath1() throws Exception {
exec(SET_DEFAULT_FSP,
"-cp", ofClasspath(TESTFSP_CLASSES, TESTAPP_CLASSES),
TESTAPP_MAIN);
}
/**
* Test file system provider in JAR file on the class path.
*/
@Test
void testFspOnClassPath2() throws Exception {
String jarFile = createJar("fsp.jar", TESTFSP_CLASSES);
exec(SET_DEFAULT_FSP,
"-cp", ofClasspath(jarFile, TESTAPP_CLASSES),
TESTAPP_MAIN);
}
/**
* Test file system provider in exploded module on the module path.
*/
@Test
void testFspOnModulePath1() throws Exception {
exec(SET_DEFAULT_FSP,
"-p", TESTFSP_CLASSES,
"--add-modules", TESTFSP,
"-cp", TESTAPP_CLASSES,
TESTAPP_MAIN);
}
/**
* Test file system provider in modular JAR on the module path.
*/
@Test
void testFspOnModulePath2() throws Exception {
String jarFile = createJar("fsp.jar", TESTFSP_CLASSES);
exec(SET_DEFAULT_FSP,
"-p", jarFile,
"--add-modules", TESTFSP,
"-cp", TESTAPP_CLASSES,
TESTAPP_MAIN);
}
/**
* Test file system provider linked into run-time image.
*/
@Test
void testFspInRuntimeImage() throws Exception {
String image = "image";
ToolProvider jlink = ToolProvider.findFirst("jlink").orElseThrow();
String[] jlinkCmd = {
"--module-path", TESTFSP_CLASSES,
"--add-modules", TESTFSP,
"--output", image
};
int exitCode = jlink.run(System.out, System.err, jlinkCmd);
assertEquals(0, exitCode);
String[] javaCmd = {
Path.of(image, "bin", "java").toString(),
SET_DEFAULT_FSP,
"--add-modules", TESTFSP,
"-cp", TESTAPP_CLASSES,
TESTAPP_MAIN
};
var pb = new ProcessBuilder(javaCmd);
ProcessTools.executeProcess(pb)
.outputTo(System.out)
.errorTo(System.err)
.shouldHaveExitValue(0);
}
/**
* Test file system provider on class path, application in exploded module on module path.
*/
@Test
void testAppOnModulePath1() throws Exception {
exec(SET_DEFAULT_FSP,
"-p", TESTAPP_CLASSES,
"-cp", TESTFSP_CLASSES,
"-m", TESTAPP + "/" + TESTAPP_MAIN);
}
/**
* Test file system provider on class path, application in modular JAR on module path.
*/
@Test
void testAppOnModulePath2() throws Exception {
String jarFile = createJar("testapp.jar", TESTAPP_CLASSES);
exec(SET_DEFAULT_FSP,
"-cp", TESTFSP_CLASSES,
"-p", jarFile,
"-m", TESTAPP + "/" + TESTAPP_MAIN);
}
/**
* Test file system provider on class path, application in modular JAR on module path
* that is patched with exploded patch.
*/
@Test
void testPatchedAppOnModulePath1() throws Exception {
Path patchdir = createTempDirectory("patch");
Files.createFile(patchdir.resolve("aoo.properties"));
exec(SET_DEFAULT_FSP,
"--patch-module", TESTAPP + "=" + patchdir,
"-p", TESTAPP_CLASSES,
"-cp", TESTFSP_CLASSES,
"-m", TESTAPP + "/" + TESTAPP_MAIN);
}
/**
* Test file system provider on class path, application in modular JAR on module path
* that is patched with patch in JAR file.
*/
@Test
void testPatchedAppOnModulePath2() throws Exception {
Path patchdir = createTempDirectory("patch");
Files.createFile(patchdir.resolve("app.properties"));
String jarFile = createJar("patch.jar", patchdir.toString());
exec(SET_DEFAULT_FSP,
"--patch-module", TESTAPP + "=" + jarFile,
"-p", TESTAPP_CLASSES,
"-cp", TESTFSP_CLASSES,
"-m", TESTAPP + "/" + TESTAPP_MAIN);
}
/**
* Test file system provider on class path in conjunction with a custom system
* class loader that uses the file system API during its initialization.
*/
@Test
void testCustomSystemClassLoader() throws Exception {
String testClasses = System.getProperty("test.classes");
exec(SET_DEFAULT_FSP,
"-Djava.system.class.loader=CustomSystemClassLoader",
"-cp", ofClasspath(testClasses, TESTFSP_CLASSES, TESTAPP_CLASSES),
TESTAPP_MAIN);
}
/**
* Returns the directory containing the classes for the given module.
*/
private static String classes(String mn) {
String mp = System.getProperty("jdk.module.path");
return Arrays.stream(mp.split(File.pathSeparator))
.map(e -> Path.of(e, mn))
.filter(Files::isDirectory)
.findAny()
.map(Path::toString)
.orElseThrow();
}
/**
* Returns a class path from the given paths.
*/
private String ofClasspath(String... paths) {
return String.join(File.pathSeparator, paths);
}
/**
* Creates a JAR file from the contains of the given directory.
*/
private String createJar(String jar, String dir) throws IOException {
List<String> args = new ArrayList<>();
args.add("--create");
args.add("--file=" + jar);
args.add("-C");
args.add(dir);
args.add(".");
int ret = JAR_TOOL.run(System.err, System.err, args.toArray(new String[0]));
assertEquals(ret, 0);
return jar;
}
/**
* Create a temporary directory with the given prefix in the current directory.
*/
private static Path createTempDirectory(String prefix) throws IOException {
return Files.createTempDirectory(Path.of("."), prefix);
}
/**
* Invokes the java launcher with the given arguments, throws if the non-0 is returned.
*/
private void exec(String... args) throws Exception {
ProcessTools.executeTestJava(args)
.outputTo(System.err)
.errorTo(System.err)
.shouldHaveExitValue(0);
}
}