engineering/java-topology
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
70422 changed files with 17213626 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

129
test/langtools/tools/javac/patterns/NestedDeconstructionPattern.java Normal file
View file

@ -0,0 +1,129 @@
/*
* Copyright (c) 2022, 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
*/
import java.util.Objects;
public class NestedDeconstructionPattern {
public static void main(String... args) throws Throwable {
new NestedDeconstructionPattern().doTestR();
new NestedDeconstructionPattern().doTestP();
}
void doTestR() {
assertEquals("AA", switchR1(new R(new A(), new A())));
assertEquals("AB", switchR1(new R(new A(), new B())));
assertEquals("BA", switchR1(new R(new B(), new A())));
assertEquals("BB", switchR1(new R(new B(), new B())));
try {
switchR1(null);
throw new AssertionError("Didn't get a NPE.");
} catch (NullPointerException ex) {
//OK
}
assertEquals("AA", switchR2(new R(new A(), new A())));
assertEquals("AB", switchR2(new R(new A(), new B())));
assertEquals("BA", switchR2(new R(new B(), new A())));
assertEquals("BB", switchR2(new R(new B(), new B())));
assertEquals("other", switchR2(""));
try {
switchR2(null);
throw new AssertionError("Didn't get a NPE.");
} catch (NullPointerException ex) {
//OK
}
}
String switchR1(R r) {
return switch (r) {
case R(A a, A b) -> a.name() + b.name();
case R(A a, B b) -> a.name() + b.name();
case R(B a, A b) -> a.name() + b.name();
case R(B a, B b) -> a.name() + b.name();
};
}
String switchR2(Object o) {
return switch (o) {
case R(A a, A b) -> a.name() + b.name();
case R(A a, B b) -> a.name() + b.name();
case R(B a, A b) -> a.name() + b.name();
case R(B a, B b) -> a.name() + b.name();
default -> "other";
};
}
void doTestP() {
assertEquals("AAAA", switchP1(new P(new R(new A(), new A()), new R(new A(), new A()))));
}
String switchP1(P p) {
return switch (p) {
case P(R(A a1, A b1), R(A a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, A b1), R(A a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, A b1), R(B a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, A b1), R(B a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, B b1), R(A a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, B b1), R(A a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, B b1), R(B a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(A a1, B b1), R(B a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, A b1), R(A a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, A b1), R(A a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, A b1), R(B a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, A b1), R(B a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, B b1), R(A a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, B b1), R(A a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, B b1), R(B a2, A b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(R(B a1, B b1), R(B a2, B b2)) -> a1.name() + b1.name()+a2.name() + b2.name();
case P(N a, N b) -> "other";
};
}
public sealed interface I {}
public final class A implements I {
public String name() { return "A"; }
}
public final class B implements I {
public String name() { return "B"; }
}
public record R(I a, I b) implements N {}
public sealed interface N {}
public final class C implements N {
public String name() { return "B"; }
}
public record P(N a, N b) {
}
private void assertEquals(String expected, String actual) {
if (!Objects.equals(expected, actual)) {
throw new AssertionError("Expected: " + expected + ", but got: " + actual);
}
}
}