acaab6fd74
Reviewed-by: dfuchs
162 lines
5.3 KiB
Java
162 lines
5.3 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8306040
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* @summary HttpResponseInputStream.available() returns 1 on empty stream
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* @library /test/lib /test/jdk/java/net/httpclient/lib
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* @run junit/othervm HttpInputStreamAvailableTest
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*
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*/
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import com.sun.net.httpserver.HttpServer;
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import jdk.test.lib.net.URIBuilder;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.URI;
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import java.net.http.HttpClient;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.TestInstance;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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public class HttpInputStreamAvailableTest {
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private HttpServer server;
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private int port;
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static final String TEST_MESSAGE = "This is test message";
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static final int ZERO = 0;
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@BeforeAll
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void setup() throws Exception {
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InetAddress loopback = InetAddress.getLoopbackAddress();
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InetSocketAddress addr = new InetSocketAddress(loopback, 0);
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server = HttpServer.create(addr, 0);
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port = server.getAddress().getPort();
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FirstHandler fHandler = new FirstHandler();
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server.createContext("/NonZeroResponse/", fHandler);
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SecondHandler sHandler = new SecondHandler();
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server.createContext("/ZeroResponse/", sHandler);
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server.start();
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}
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@AfterAll
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void teardown() throws Exception {
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server.stop(0);
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}
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@Test
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public void test() throws Exception {
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HttpClient client = HttpClient
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.newBuilder()
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.proxy(HttpClient.Builder.NO_PROXY)
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.build();
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URI uri = URIBuilder.newBuilder()
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.scheme("http")
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.loopback()
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.port(port)
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.path("/NonZeroResponse/")
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.build();
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HttpRequest request = HttpRequest
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.newBuilder(uri)
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.GET()
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.build();
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// Send a httpRequest and assert the bytes available
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HttpResponse<InputStream> response = client.send(request,
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HttpResponse.BodyHandlers.ofInputStream());
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try ( InputStream in = response.body()) {
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in.readNBytes(2);
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// this is not guaranteed, but a failure here would be surprising
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assertEquals(TEST_MESSAGE.length() - 2, in.available());
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//read the remaining data
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in.readAllBytes();
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//available should return 0
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assertEquals(ZERO, in.available());
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}
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}
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@Test
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public void test1() throws Exception {
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HttpClient client = HttpClient
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.newBuilder()
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.proxy(HttpClient.Builder.NO_PROXY)
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.build();
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URI uri = URIBuilder.newBuilder()
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.scheme("http")
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.loopback()
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.port(port)
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.path("/ZeroResponse/")
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.build();
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HttpRequest request = HttpRequest
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.newBuilder(uri)
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.GET()
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.build();
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// Send a httpRequest and assert the bytes available
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HttpResponse<InputStream> response = client.send(request,
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HttpResponse.BodyHandlers.ofInputStream());
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try ( InputStream in = response.body()) {
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assertEquals(ZERO, in.available());
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in.readAllBytes();
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assertEquals(ZERO, in.available());
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}
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}
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static class FirstHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange exchange) throws IOException {
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try ( OutputStream os = exchange.getResponseBody()) {
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byte[] workingResponse = TEST_MESSAGE.getBytes();
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exchange.sendResponseHeaders(200, workingResponse.length);
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os.write(workingResponse);
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os.flush();
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}
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}
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}
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static class SecondHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange exchange) throws IOException {
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exchange.sendResponseHeaders(204, -1);
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}
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}
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}
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