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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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104
test/langtools/jdk/jshell/InaccessibleExpressionTest.java Normal file
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/*
* Copyright (c) 2017, 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 8190939 8191842
* @summary test expressions whose type is inaccessible
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jdeps/com.sun.tools.javap
* @library /tools/lib
* @build KullaTesting Compiler
* @run junit InaccessibleExpressionTest
*/
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.jshell.VarSnippet;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public class InaccessibleExpressionTest extends KullaTesting {
@BeforeEach
@Override
public void setUp() {
Path path = Paths.get("eit");
Compiler compiler = new Compiler();
compiler.compile(path,
"package priv;\n" +
"\n" +
"import java.util.function.Supplier;\n" +
"import java.util.ArrayList;\n" +
"\n" +
"public class GetPriv {\n" +
" private enum Count { One };\n" +
" public static Packp down() { return new Packp(); }\n" +
" public static MyList list() { return new MyList(); }\n" +
" public static Count priv() { return Count.One; }\n" +
"}\n" +
"\n" +
"class Packp extends Packp2 {\n" +
"public String toString() { return \"Packp\"; } }\n" +
"\n" +
"class Packp2 implements Supplier<Integer> {" +
"public Integer get() { return 5; }}\n" +
"\n" +
"class MyList extends ArrayList<Integer> {}");
String tpath = compiler.getPath(path).toString();
setUp(b -> b
.remoteVMOptions("--class-path", tpath)
.compilerOptions("--class-path", tpath));
}
@Test
public void testExternal() {
assertEval("import static priv.GetPriv.*;");
VarSnippet down = varKey(assertEval("down()", "Packp"));
assertEquals("priv.Packp", down.typeName());
assertEval(down.name() + ".get()", "5");
VarSnippet list = varKey(assertEval("list()", "[]"));
assertEquals("priv.MyList", list.typeName());
assertEval(list.name() + ".size()", "0");
VarSnippet one = varKey(assertEval("priv()", "One"));
assertEquals("priv.GetPriv.Count", one.typeName());
assertEval("var v = down();", "Packp");
assertDeclareFail("v.toString()", "compiler.err.not.def.access.class.intf.cant.access");
}
@Test
public void testInternal() {
assertEval(
"class Top {" +
" private class Inner {" +
" public String toString() { return \"Inner\"; }" +
" }" +
" Inner n = new Inner(); }");
VarSnippet n = varKey(assertEval("new Top().n", "Inner"));
assertEquals("Top.Inner", n.typeName());
}
}