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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/jdk/java/net/httpclient/SubscriberAPIExceptions.java Normal file
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/*
* Copyright (c) 2017, 2026, 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.
*/
import java.nio.ByteBuffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.OpenOption;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Flow;
import java.net.http.HttpResponse.BodyHandler;
import java.net.http.HttpResponse.ResponseInfo;
import java.net.http.HttpResponse.BodyHandlers;
import java.net.http.HttpResponse.BodySubscriber;
import java.net.http.HttpResponse.BodySubscribers;
import java.util.function.Function;
import static java.nio.file.StandardOpenOption.CREATE;
import static java.nio.file.StandardOpenOption.DELETE_ON_CLOSE;
import static java.nio.file.StandardOpenOption.WRITE;
import static java.nio.file.StandardOpenOption.READ;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.junit.jupiter.api.Test;
/*
* @test
* @summary Basic tests for API specified exceptions from Handler,
* and Subscriber convenience static factory methods.
* @run junit SubscriberAPIExceptions
*/
public class SubscriberAPIExceptions {
static final Class<NullPointerException> NPE = NullPointerException.class;
static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
@Test
public void handlerAPIExceptions() throws Exception {
Path path = Paths.get(".").resolve("tt");
Path file = Files.createFile(Paths.get(".").resolve("aFile"));
Path doesNotExist = Paths.get(".").resolve("doneNotExist");
if (Files.exists(doesNotExist))
throw new AssertionError("Unexpected " + doesNotExist);
assertThrows(NPE, () -> BodyHandlers.ofByteArrayConsumer(null));
assertThrows(NPE, () -> BodyHandlers.ofFile(null));
assertThrows(NPE, () -> BodyHandlers.ofFile(null, CREATE, WRITE));
assertThrows(NPE, () -> BodyHandlers.ofFile(path, (OpenOption[])null));
assertThrows(NPE, () -> BodyHandlers.ofFile(path, new OpenOption[] {null}));
assertThrows(NPE, () -> BodyHandlers.ofFile(path, new OpenOption[] {CREATE, null}));
assertThrows(NPE, () -> BodyHandlers.ofFile(path, new OpenOption[] {null, CREATE}));
assertThrows(NPE, () -> BodyHandlers.ofFile(null, (OpenOption[])null));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(null, CREATE, WRITE));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(path, (OpenOption[])null));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(path, new OpenOption[] {null}));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(path, new OpenOption[] {CREATE, null}));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(path, new OpenOption[] {null, CREATE}));
assertThrows(NPE, () -> BodyHandlers.ofFileDownload(null, (OpenOption[])null));
assertThrows(IAE, () -> BodyHandlers.ofFileDownload(file, CREATE, WRITE));
assertThrows(IAE, () -> BodyHandlers.ofFileDownload(doesNotExist, CREATE, WRITE));
assertThrows(NPE, () -> BodyHandlers.ofString(null));
assertThrows(NPE, () -> BodyHandlers.buffering(null, 1));
assertThrows(IAE, () -> BodyHandlers.buffering(new NoOpHandler(), 0));
assertThrows(IAE, () -> BodyHandlers.buffering(new NoOpHandler(), -1));
assertThrows(IAE, () -> BodyHandlers.buffering(new NoOpHandler(), Integer.MIN_VALUE));
// implementation specific exceptions
assertThrows(IAE, () -> BodyHandlers.ofFile(path, READ));
assertThrows(IAE, () -> BodyHandlers.ofFile(path, DELETE_ON_CLOSE));
assertThrows(IAE, () -> BodyHandlers.ofFile(path, READ, DELETE_ON_CLOSE));
assertThrows(IAE, () -> BodyHandlers.ofFileDownload(path, DELETE_ON_CLOSE));
}
@Test
public void subscriberAPIExceptions() {
Path path = Paths.get(".").resolve("tt");
assertThrows(NPE, () -> BodySubscribers.ofByteArrayConsumer(null));
assertThrows(NPE, () -> BodySubscribers.ofFile(null));
assertThrows(NPE, () -> BodySubscribers.ofFile(null, CREATE, WRITE));
assertThrows(NPE, () -> BodySubscribers.ofFile(path, (OpenOption[])null));
assertThrows(NPE, () -> BodySubscribers.ofFile(path, new OpenOption[] {null}));
assertThrows(NPE, () -> BodySubscribers.ofFile(path, new OpenOption[] {CREATE, null}));
assertThrows(NPE, () -> BodySubscribers.ofFile(path, new OpenOption[] {null, CREATE}));
assertThrows(NPE, () -> BodySubscribers.ofFile(null, (OpenOption[])null));
assertThrows(NPE, () -> BodySubscribers.ofString(null));
assertThrows(NPE, () -> BodySubscribers.buffering(null, 1));
assertThrows(IAE, () -> BodySubscribers.buffering(new NoOpSubscriber(), 0));
assertThrows(IAE, () -> BodySubscribers.buffering(new NoOpSubscriber(), -1));
assertThrows(IAE, () -> BodySubscribers.buffering(new NoOpSubscriber(), Integer.MIN_VALUE));
assertThrows(NPE, () -> BodySubscribers.mapping(null, Function.identity()));
assertThrows(NPE, () -> BodySubscribers.mapping(BodySubscribers.ofByteArray(), null));
assertThrows(NPE, () -> BodySubscribers.mapping(null, null));
// implementation specific exceptions
assertThrows(IAE, () -> BodySubscribers.ofFile(path, READ));
assertThrows(IAE, () -> BodySubscribers.ofFile(path, DELETE_ON_CLOSE));
assertThrows(IAE, () -> BodySubscribers.ofFile(path, READ, DELETE_ON_CLOSE));
}
static class NoOpHandler implements BodyHandler<Void> {
@Override public BodySubscriber<Void> apply(ResponseInfo rinfo) { return null; }
}
static class NoOpSubscriber implements BodySubscriber<Void> {
@Override public void onSubscribe(Flow.Subscription subscription) { }
@Override public void onNext(List<ByteBuffer> item) { }
@Override public void onError(Throwable throwable) { }
@Override public void onComplete() { }
@Override public CompletableFuture<Void> getBody() { return null; }
}
}