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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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166
test/langtools/tools/javac/modules/ReportNonExistentPackageTest.java Normal file
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/*
* Copyright (c) 2015, 2017, 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 8144342 8149658 8162713
* @summary javac doesn't report errors if module exports non-existent package
* @library /tools/lib
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
* @run main ReportNonExistentPackageTest
*/
import java.nio.file.Files;
import java.nio.file.Path;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.ToolBox;
public class ReportNonExistentPackageTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
ReportNonExistentPackageTest t = new ReportNonExistentPackageTest();
t.runTests();
}
@Test
public void testExportUnknownPackage(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module m { exports p1; }");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
throw new Exception("expected output not found");
}
@Test
public void testExportEmptyPackage(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module m { exports p1; }",
"package p1;");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
throw new Exception("expected output not found");
}
@Test
public void testPackageWithMemberWOPackageDeclaration(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src, "module m { exports p1; }");
Path p1 = src.resolve("p1");
Path C = p1.resolve("C.java");
tb.writeFile(C, "// comment");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:20: compiler.err.package.empty.or.not.found: p1"))
throw new Exception("expected output not found");
}
@Test
public void testOpensEmptyPackage(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module m { opens p; }");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.SUCCESS)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.contains("module-info.java:1:18: compiler.warn.package.empty.or.not.found: p"))
throw new Exception("expected output not found, actual output: " + log);
}
@Test
public void testOpensEmptyPackageSuppressed(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"@SuppressWarnings(\"opens\") module m { opens p; }");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics")
.outdir(classes)
.files(findJavaFiles(src))
.run(Task.Expect.SUCCESS)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.equals(""))
throw new Exception("expected output not found, actual output: " + log);
}
@Test
public void testOpenOnlyWithResources(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module m { opens p; }");
Path resource = src.resolve("p").resolve("resource.properties");
Files.createDirectories(resource.getParent());
Files.newOutputStream(resource).close();
Path classes = base.resolve("classes");
Files.createDirectories(classes);
String log = new JavacTask(tb)
.sourcepath(src.toString())
.outdir(classes)
.files(findJavaFiles(src))
.run()
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.equals(""))
throw new Exception("expected output not found, actual output: " + log);
}
}