/*
* Copyright (c) 2018, 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
* @build DummyWebSocketServer
* @run testng/othervm -Djdk.httpclient.HttpClient.log=trace Exceptionally
*/
import jdk.incubator.http.WebSocket;
import org.testng.annotations.Test;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.channels.SocketChannel;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import static jdk.incubator.http.HttpClient.newHttpClient;
import static jdk.incubator.http.WebSocket.NORMAL_CLOSURE;
import static org.testng.Assert.assertThrows;
public class Exceptionally {
private static final Class<NullPointerException> NPE
= NullPointerException.class;
private static final Class<IllegalArgumentException> IAE
= IllegalArgumentException.class;
private static final Class<IllegalStateException> ISE
= IllegalStateException.class;
@Test
public void testNull() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
assertThrows(NPE, () -> ws.sendText(null, false));
assertThrows(NPE, () -> ws.sendText(null, true));
assertThrows(NPE, () -> ws.sendBinary(null, false));
assertThrows(NPE, () -> ws.sendBinary(null, true));
assertThrows(NPE, () -> ws.sendPing(null));
assertThrows(NPE, () -> ws.sendPong(null));
assertThrows(NPE, () -> ws.sendClose(NORMAL_CLOSURE, null));
}
}
@Test
public void testIllegalArgument() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
assertCompletesExceptionally(IAE, ws.sendPing(ByteBuffer.allocate(126)));
assertCompletesExceptionally(IAE, ws.sendPing(ByteBuffer.allocate(127)));
assertCompletesExceptionally(IAE, ws.sendPing(ByteBuffer.allocate(128)));
assertCompletesExceptionally(IAE, ws.sendPing(ByteBuffer.allocate(129)));
assertCompletesExceptionally(IAE, ws.sendPing(ByteBuffer.allocate(256)));
assertCompletesExceptionally(IAE, ws.sendPong(ByteBuffer.allocate(126)));
assertCompletesExceptionally(IAE, ws.sendPong(ByteBuffer.allocate(127)));
assertCompletesExceptionally(IAE, ws.sendPong(ByteBuffer.allocate(128)));
assertCompletesExceptionally(IAE, ws.sendPong(ByteBuffer.allocate(129)));
assertCompletesExceptionally(IAE, ws.sendPong(ByteBuffer.allocate(256)));
assertCompletesExceptionally(IAE, ws.sendText(incompleteString(), true));
assertCompletesExceptionally(IAE, ws.sendText(incompleteString(), false));
assertCompletesExceptionally(IAE, ws.sendText(malformedString(), true));
assertCompletesExceptionally(IAE, ws.sendText(malformedString(), false));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWithNBytes(124)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWithNBytes(125)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWithNBytes(128)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWithNBytes(256)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWithNBytes(257)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, stringWith2NBytes((123 / 2) + 1)));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, malformedString()));
assertCompletesExceptionally(IAE, ws.sendClose(NORMAL_CLOSURE, incompleteString()));
assertCompletesExceptionally(IAE, ws.sendClose(-2, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(-1, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(0, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(500, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(998, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(999, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1002, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1003, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1006, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1007, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1009, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1010, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1012, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1013, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(1015, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(5000, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(32768, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(65535, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(65536, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(Integer.MAX_VALUE, "a reason"));
assertCompletesExceptionally(IAE, ws.sendClose(Integer.MIN_VALUE, "a reason"));
assertThrows(IAE, () -> ws.request(Integer.MIN_VALUE));
assertThrows(IAE, () -> ws.request(-1));
assertThrows(IAE, () -> ws.request(0));
}
}
private static String malformedString() {
return new String(new char[]{0xDC00, 0xD800});
}
private static String incompleteString() {
return new String(new char[]{0xD800});
}
private static String stringWithNBytes(int n) {
StringBuilder sb = new StringBuilder(n);
for (int i = 0; i < n; i++) {
sb.append("A");
}
return sb.toString();
}
private static String stringWith2NBytes(int n) {
// Russian alphabet repeated cyclically
char FIRST = '\u0410';
char LAST = '\u042F';
StringBuilder sb = new StringBuilder(n);
char c = FIRST;
for (int i = 0; i < n; i++) {
if (++c > LAST) {
c = FIRST;
}
sb.append(c);
}
String s = sb.toString();
assert s.length() == n && s.getBytes(StandardCharsets.UTF_8).length == 2 * n;
return s;
}
private static void assertCompletesExceptionally(Class<? extends Throwable> clazz,
CompletableFuture<?> stage) {
stage.handle((result, error) -> {
if (error instanceof CompletionException) {
Throwable cause = error.getCause();
if (cause == null) {
throw new AssertionError("Unexpected null cause: " + error);
}
assertException(clazz, cause);
} else {
assertException(clazz, error);
}
return null;
}).join();
}
private static void assertException(Class<? extends Throwable> clazz,
Throwable t) {
if (t == null) {
throw new AssertionError("Expected " + clazz + ", caught nothing");
}
if (!clazz.isInstance(t)) {
throw new AssertionError("Expected " + clazz + ", caught " + t);
}
}
@Test
public void testIllegalStateOutstanding1() throws Exception {
try (DummyWebSocketServer server = notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ByteBuffer data = ByteBuffer.allocate(65536);
for (int i = 0; ; i++) {
System.out.println("cycle #" + i);
try {
ws.sendBinary(data, true).get(10, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertCompletesExceptionally(ISE, ws.sendText("", true));
}
}
private static DummyWebSocketServer notReadingServer() {
return new DummyWebSocketServer() {
@Override
protected void serve(SocketChannel channel) throws IOException {
try {
Thread.sleep(Long.MAX_VALUE);
} catch (InterruptedException e) {
throw new IOException(e);
}
}
};
}
@Test
public void testIllegalStateOutstanding2() throws Exception {
try (DummyWebSocketServer server = notReadingServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
CharBuffer data = CharBuffer.allocate(65536);
for (int i = 0; ; i++) {
System.out.println("cycle #" + i);
try {
ws.sendText(data, true).get(10, TimeUnit.SECONDS);
data.clear();
} catch (TimeoutException e) {
break;
}
}
assertCompletesExceptionally(ISE, ws.sendText("", true));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
}
}
@Test
public void testIllegalStateIntermixed1() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendBinary(ByteBuffer.allocate(16), false).join();
assertCompletesExceptionally(ISE, ws.sendText("text", false));
assertCompletesExceptionally(ISE, ws.sendText("text", true));
}
}
@Test
public void testIllegalStateIntermixed2() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendText("text", false).join();
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(16), false));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(16), true));
}
}
@Test
public void testIllegalStateSendClose() throws IOException {
try (DummyWebSocketServer server = new DummyWebSocketServer()) {
server.open();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() { })
.join();
ws.sendClose(NORMAL_CLOSURE, "normal close").join();
assertCompletesExceptionally(ISE, ws.sendText("", true));
assertCompletesExceptionally(ISE, ws.sendText("", false));
assertCompletesExceptionally(ISE, ws.sendText("abc", true));
assertCompletesExceptionally(ISE, ws.sendText("abc", false));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(1), true));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(1), false));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(124)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(1)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(0)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(125)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(124)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(1)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(0)));
}
}
@Test
public void testIllegalStateOnClose() throws Exception {
DummyWebSocketServer server = new DummyWebSocketServer() {
@Override
protected void serve(SocketChannel channel) throws IOException {
ByteBuffer closeMessage = ByteBuffer.wrap(new byte[]{(byte) 0x88, 0x00});
int wrote = channel.write(closeMessage);
System.out.println("Wrote bytes: " + wrote);
super.serve(channel);
}
};
try (server) {
server.open();
CompletableFuture<Void> onCloseCalled = new CompletableFuture<>();
CompletableFuture<Void> canClose = new CompletableFuture<>();
WebSocket ws = newHttpClient()
.newWebSocketBuilder()
.buildAsync(server.getURI(), new WebSocket.Listener() {
@Override
public CompletionStage<?> onClose(WebSocket webSocket,
int statusCode,
String reason) {
System.out.println("onClose(" + statusCode + ")");
onCloseCalled.complete(null);
return canClose;
}
@Override
public void onError(WebSocket webSocket, Throwable error) {
System.out.println("onError(" + error + ")");
error.printStackTrace();
}
})
.join();
onCloseCalled.join(); // Wait for onClose to be called
TimeUnit.SECONDS.sleep(5); // Give canClose some time to reach the WebSocket
canClose.complete(null); // Signal to the WebSocket it can close the output
assertCompletesExceptionally(ISE, ws.sendText("", true));
assertCompletesExceptionally(ISE, ws.sendText("", false));
assertCompletesExceptionally(ISE, ws.sendText("abc", true));
assertCompletesExceptionally(ISE, ws.sendText("abc", false));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), true));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(0), false));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(1), true));
assertCompletesExceptionally(ISE, ws.sendBinary(ByteBuffer.allocate(1), false));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(125)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(124)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(1)));
assertCompletesExceptionally(ISE, ws.sendPing(ByteBuffer.allocate(0)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(125)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(124)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(1)));
assertCompletesExceptionally(ISE, ws.sendPong(ByteBuffer.allocate(0)));
}
}
}