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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/AnnotationProcessorsInModulesTest.java Normal file
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/*
* Copyright (c) 2015, 2016, 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
* @summary Verify that annotation processors inside modules works
* @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 AnnotationProcessorsInModulesTest
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
import toolbox.JavacTask;
import toolbox.Task;
public class AnnotationProcessorsInModulesTest extends ModuleTestBase {
public static void main(String... args) throws Exception {
new AnnotationProcessorsInModulesTest().runTests();
}
private static final String annotationProcessorModule1 =
"""
module anno_proc1x {
requires java.compiler;
provides javax.annotation.processing.Processor
with mypkg1.MyProcessor1;
}""";
private static final String annotationProcessorModule2 =
"""
module anno_proc2x {
requires java.compiler;
provides javax.annotation.processing.Processor
with mypkg2.MyProcessor2;
}""";
private static final String annotationProcessor1 =
"""
package mypkg1;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.*;
import java.util.*;
@SupportedAnnotationTypes("*")
public final class MyProcessor1 extends AbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
return false;
}
@Override
public SourceVersion getSupportedSourceVersion() {
System.out.println("the annotation processor 1 is working!");
return SourceVersion.latest();
}
}""";
private static final String annotationProcessor2 =
"""
package mypkg2;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.*;
import java.util.*;
@SupportedAnnotationTypes("*")
public final class MyProcessor2 extends AbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
return false;
}
@Override
public SourceVersion getSupportedSourceVersion() {
System.out.println("the annotation processor 2 is working!");
return SourceVersion.latest();
}
}""";
private static final String testClass = "class Test{}";
void initialization(Path base) throws Exception {
moduleSrc = base.resolve("anno_proc_src");
Path anno_proc1 = moduleSrc.resolve("anno_proc1x");
Path anno_proc2 = moduleSrc.resolve("anno_proc2x");
processorCompiledModules = base.resolve("mods");
Files.createDirectories(processorCompiledModules);
tb.writeJavaFiles(
anno_proc1,
annotationProcessorModule1,
annotationProcessor1);
tb.writeJavaFiles(
anno_proc2,
annotationProcessorModule2,
annotationProcessor2);
String log = new JavacTask(tb)
.options("--module-source-path", moduleSrc.toString())
.outdir(processorCompiledModules)
.files(findJavaFiles(moduleSrc))
.run()
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!log.isEmpty()) {
throw new AssertionError("Unexpected output: " + log);
}
classes = base.resolve("classes");
Files.createDirectories(classes);
}
Path processorCompiledModules;
Path moduleSrc;
Path classes;
@Test
public void testUseOnlyOneProcessor(Path base) throws Exception {
initialization(base);
String log = new JavacTask(tb)
.options("--processor-module-path", processorCompiledModules.toString(),
"-processor", "mypkg2.MyProcessor2")
.outdir(classes)
.sources(testClass)
.run()
.writeAll()
.getOutput(Task.OutputKind.STDOUT);
if (!log.trim().equals("the annotation processor 2 is working!")) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testAnnotationProcessorExecutionOrder(Path base) throws Exception {
initialization(base);
List<String> log = new JavacTask(tb)
.options("--processor-module-path", processorCompiledModules.toString(),
"-processor", "mypkg1.MyProcessor1,mypkg2.MyProcessor2")
.outdir(classes)
.sources(testClass)
.run()
.writeAll()
.getOutputLines(Task.OutputKind.STDOUT);
if (!log.equals(Arrays.asList("the annotation processor 1 is working!",
"the annotation processor 2 is working!"))) {
throw new AssertionError("Unexpected output: " + log);
}
log = new JavacTask(tb)
.options("--processor-module-path", processorCompiledModules.toString(),
"-processor", "mypkg2.MyProcessor2,mypkg1.MyProcessor1")
.outdir(classes)
.sources(testClass)
.run()
.writeAll()
.getOutputLines(Task.OutputKind.STDOUT);
if (!log.equals(Arrays.asList("the annotation processor 2 is working!",
"the annotation processor 1 is working!"))) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testErrorOutputIfOneProcessorNameIsIncorrect(Path base) throws Exception {
initialization(base);
String log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--processor-module-path", processorCompiledModules.toString(),
"-processor", "mypkg2.MyProcessor2,noPackage.noProcessor,mypkg1.MyProcessor1")
.outdir(classes)
.sources(testClass)
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.STDOUT, Task.OutputKind.DIRECT).toString();
if (!log.trim().equals("[the annotation processor 2 is working!, - compiler.err.proc.processor.not.found: noPackage.noProcessor, 1 error]")) {
throw new AssertionError("Unexpected output: " + log);
}
}
@Test
public void testOptionsExclusion(Path base) throws Exception {
initialization(base);
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--processor-module-path", processorCompiledModules.toString(),
"--processor-path", processorCompiledModules.toString())
.outdir(classes)
.sources(testClass)
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
if (!log.equals(Arrays.asList("- compiler.err.processorpath.no.processormodulepath"))) {
throw new AssertionError("Unexpected output: " + log);
}
}
}