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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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145
test/langtools/jdk/jshell/ComputeFQNsTest.java Normal file
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/*
* Copyright (c) 2015, 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 8131027
* @summary Test Get FQNs
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jshell/jdk.jshell:open
* @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask
* @build KullaTesting TestingInputStream Compiler
* @run junit ComputeFQNsTest
*/
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import jdk.jshell.SourceCodeAnalysis.QualifiedNames;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
public class ComputeFQNsTest extends KullaTesting {
private final Compiler compiler = new Compiler();
private final Path outDir = Paths.get("ComputeFQNsTest");
@Test
public void testAddImport() throws Exception {
compiler.compile(outDir, "package test1; public class FQNTestClass { }", "package test2; public class FQNTestClass { }");
String jarName = "test.jar";
compiler.jar(outDir, jarName, "test1/FQNTestClass.class", "test2/FQNTestClass.class");
addToClasspath(compiler.getPath(outDir).resolve(jarName));
assertInferredFQNs("LinkedList", "java.util.LinkedList");
assertInferredFQNs("ArrayList", "java.util.ArrayList");
assertInferredFQNs("FQNTestClass", "test1.FQNTestClass", "test2.FQNTestClass");
assertInferredFQNs("CharSequence", "CharSequence".length(), true, "java.lang.CharSequence");
assertInferredFQNs("unresolvable");
assertInferredFQNs("void test(ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
assertInferredFQNs("void test(ArrayList l) throws InvocationTargetException", "InvocationTargetException".length(), false, "java.lang.reflect.InvocationTargetException");
assertInferredFQNs("void test(ArrayList l) { ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
assertInferredFQNs("<T extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
assertInferredFQNs("Object l = Arrays", "Arrays".length(), false, "java.util.Arrays");
assertInferredFQNs("class X<T extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
assertInferredFQNs("class X extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
assertInferredFQNs("class X extends java.util.ArrayList<TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X extends java.util.ArrayList<TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X implements TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X implements TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X implements java.util.List<TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X implements java.util.List<TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
assertInferredFQNs("class X { ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
}
@Test //TODO 8161165
@Disabled
public void testSuspendIndexing() throws Throwable {
compiler.compile(outDir, "package test; public class FQNTest { }");
String jarName = "test.jar";
compiler.jar(outDir, jarName, "test/FQNTest.class");
Path continueMarkFile = outDir.resolve("continuemark").toAbsolutePath();
Files.createDirectories(continueMarkFile.getParent());
try (Writer w = Files.newBufferedWriter(continueMarkFile)) {}
Path runMarkFile = outDir.resolve("runmark").toAbsolutePath();
Files.deleteIfExists(runMarkFile);
getState().sourceCodeAnalysis();
Throwable[] evalException = new Throwable[1];
new Thread() {
@Override public void run() {
try {
assertEval("{new java.io.FileOutputStream(\"" + runMarkFile.toAbsolutePath().toString().replace("\\", "\\\\") + "\").close();" +
" while (java.nio.file.Files.exists(java.nio.file.Paths.get(\"" + continueMarkFile.toAbsolutePath().toString().replace("\\", "\\\\") + "\"))) Thread.sleep(100); }");
} catch (Throwable t) {
evalException[0] = t;
}
}
}.start();
while (true) {
if (Files.exists(runMarkFile))
break;
try {
Thread.sleep(100);
} catch (Throwable t) {
if (evalException[0] != null) {
evalException[0].addSuppressed(t);
} else {
throw t;
}
}
if (evalException[0] != null) {
throw evalException[0];
}
}
addToClasspath(compiler.getPath(outDir).resolve(jarName));
String code = "FQNTest";
QualifiedNames candidates = getAnalysis().listQualifiedNames(code, code.length());
assertEquals(Arrays.asList(), candidates.getNames(), "Input: " + code + ", candidates=" + candidates.getNames());
assertEquals(false, candidates.isUpToDate(), "Input: " + code + ", up-to-date=" + candidates.isUpToDate());
Files.delete(continueMarkFile);
waitIndexingFinished();
candidates = getAnalysis().listQualifiedNames(code, code.length());
assertEquals(Arrays.asList("test.FQNTest"), candidates.getNames(), "Input: " + code + ", candidates=" + candidates.getNames());
assertEquals(true, candidates.isUpToDate(), "Input: " + code + ", up-to-date=" + candidates.isUpToDate());
}
}