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/*
* Copyright (c) 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
* @summary Verifies the behavior of `limiting()` on unexpected exceptions
* thrown at various places (`onSubscriber()`, `onNext()`, etc.) when
* the request is performed _synchronously_ using `HttpClient::send`.
* Even though throwing exceptions at such points is against the
* Reactive Streams contract, we make sure that `HttpClient` gets its
* resources released on such misbehaving user code.
* @library /test/jdk/java/net/httpclient/lib
* /test/lib
* @build AbstractThrowingSubscribers
* ReferenceTracker
* jdk.httpclient.test.lib.common.HttpServerAdapters
* jdk.test.lib.net.SimpleSSLContext
* @run testng/othervm -Djdk.internal.httpclient.debug=true ThrowingSubscribersAsLimiting
*/
import org.testng.annotations.Test;
import java.net.http.HttpResponse;
import java.util.function.Supplier;
import java.util.stream.Stream;
public class ThrowingSubscribersAsLimiting extends AbstractThrowingSubscribers {
@Test(dataProvider = "variants")
public void test(String uri, boolean sameClient, Thrower thrower) throws Exception {
test(uri, sameClient, thrower, false);
}
void test(String uri, boolean sameClient, Thrower thrower, boolean async) throws Exception {
uri = uri + "-" + URICOUNT.incrementAndGet();
String name = String.format(
"testThrowingAsLimiting%s(%s, %b, %s)",
(async ? "Async" : ""), uri, sameClient, thrower);
Supplier<HttpResponse.BodyHandler<Stream<String>>> handlerSupplier =
() -> HttpResponse.BodyHandlers.limiting(
HttpResponse.BodyHandlers.ofLines(),
Long.MAX_VALUE);
testThrowing(
name,
uri,
sameClient,
handlerSupplier,
this::finish,
thrower,
async,
excludes(SubscriberType.OFFLINE));
}
private Void finish(Where where, HttpResponse<Stream<String>> response, Thrower thrower) {
switch (where) {
case BODY_HANDLER:
case GET_BODY:
case BODY_CF:
return shouldHaveThrown(where, response, thrower);
}
try {
// noinspection ResultOfMethodCallIgnored
response.body().toList();
} catch (Error | Exception throwable) {
Throwable cause = findCause(throwable, thrower);
if (cause != null) {
System.out.println(now() + "Got expected exception in " + where + ": " + cause);
return null;
}
throw causeNotFound(where, throwable);
}
return shouldHaveThrown(where, response, thrower);
}
}
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