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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/langtools/tools/javac/modules/ContainsTest.java Normal file
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/*
* Copyright (c) 2017, 2019, 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 8178518
* @summary Add method JavaFileManager.contains
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase
* @run main ContainsTest
*/
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.EnumSet;
import java.util.List;
import javax.tools.FileObject;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileManager.Location;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.StandardLocation;
import javax.tools.ToolProvider;
import toolbox.JarTask;
import toolbox.JavacTask;
public class ContainsTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
ContainsTest t = new ContainsTest();
t.runTests();
}
JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
@Test
public void testSimplePath(Path base) throws IOException {
// Test that we can look up in directories in the default file system.
Path src = base.resolve("src");
tb.writeJavaFiles(src, "package p; class C { }");
Path c = src.resolve("p/C.java");
Path x = base.resolve("src2/p/C.java");
try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) {
fm.setLocationFromPaths(StandardLocation.SOURCE_PATH, List.of(src));
checkContains(fm, StandardLocation.SOURCE_PATH, c, true);
checkContains(fm, StandardLocation.SOURCE_PATH, x, false);
}
}
@Test
public void testJarPath(Path base) throws IOException {
// Test that we can look up in jar files on a search path.
// In this case, the path we look up must come from open file system
// as used by the file manager.
Path src = base.resolve("src");
tb.writeJavaFiles(src, "package p; class C { }");
Path classes = Files.createDirectories(base.resolve("classes"));
new JavacTask(tb)
.options("-sourcepath", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run()
.writeAll();
Path jar = base.resolve("classes.jar");
new JarTask(tb).run("cf", jar.toString(), "-C", classes.toString(), "p");
Path c = src.resolve("p/C.java");
Path x = base.resolve("src2/p/C.java");
try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) {
fm.setLocationFromPaths(StandardLocation.CLASS_PATH, List.of(src, jar));
checkContains(fm, StandardLocation.CLASS_PATH, c, true);
checkContains(fm, StandardLocation.CLASS_PATH, x, false);
JavaFileObject fo = fm.list(StandardLocation.CLASS_PATH, "p",
EnumSet.of(JavaFileObject.Kind.CLASS), false).iterator().next();
checkContains(fm, StandardLocation.CLASS_PATH, fo, true);
}
}
@Test
public void testJarFSPath(Path base) throws IOException {
// Test that we can look up in non-default file systems on the search path,
// such as an open jar file system.
Path src = base.resolve("src");
tb.writeJavaFiles(src, "package p; class C { }");
Path classes = Files.createDirectories(base.resolve("classes"));
new JavacTask(tb)
.options("-sourcepath", src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run()
.writeAll();
Path jar = base.resolve("classes.jar");
new JarTask(tb).run("cf", jar.toString(), "-C", classes.toString(), "p");
Path c = src.resolve("p/C.java");
Path x = base.resolve("src2/p/C.java");
try (FileSystem jarFS = FileSystems.newFileSystem(jar);
StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) {
Path jarRoot = jarFS.getRootDirectories().iterator().next();
fm.setLocationFromPaths(StandardLocation.CLASS_PATH, List.of(src, jarRoot));
checkContains(fm, StandardLocation.CLASS_PATH, c, true);
checkContains(fm, StandardLocation.CLASS_PATH, x, false);
JavaFileObject fo = fm.list(StandardLocation.CLASS_PATH, "p",
EnumSet.of(JavaFileObject.Kind.CLASS), false).iterator().next();
checkContains(fm, StandardLocation.CLASS_PATH, fo, true);
checkContains(fm, StandardLocation.CLASS_PATH, jarRoot.resolve("p/C.class"), true);
}
}
void checkContains(StandardJavaFileManager fm, Location l, Path p, boolean expect) throws IOException {
JavaFileObject fo = fm.getJavaFileObjects(p).iterator().next();
checkContains(fm, l, fo, expect);
}
void checkContains(StandardJavaFileManager fm, Location l, FileObject fo, boolean expect) throws IOException {
boolean found = fm.contains(l, fo);
if (found) {
if (expect) {
out.println("file found, as expected: " + l + " " + fo.getName());
} else {
error("file not found: " + l + " " + fo.getName());
}
} else {
if (expect) {
error("file found unexpectedly: " + l + " " + fo.getName());
} else {
out.println("file not found, as expected: " + l + " " + fo.getName());
}
}
}
}