--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/websocket/Support.java Tue Apr 17 08:54:17 2018 -0700
@@ -0,0 +1,197 @@
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+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 org.testng.Assert.assertThrows;
+
+public class Support {
+
+ private Support() { }
+
+ public static void assertFails(Class<? extends Throwable> clazz,
+ CompletionStage<?> stage) {
+ Support.assertCompletesExceptionally(clazz, stage);
+ }
+
+ public static void assertCompletesExceptionally(Class<? extends Throwable> clazz,
+ CompletionStage<?> stage) {
+ CompletableFuture<?> cf =
+ CompletableFuture.completedFuture(null).thenCompose(x -> stage);
+ assertThrows(clazz, () -> {
+ try {
+ cf.join();
+ } catch (CompletionException e) {
+ throw e.getCause();
+ }
+ });
+ }
+
+ public static void assertHangs(CompletionStage<?> stage) {
+ Support.assertDoesNotCompleteWithin(5, TimeUnit.SECONDS, stage);
+ }
+
+ public static void assertDoesNotCompleteWithin(long timeout,
+ TimeUnit unit,
+ CompletionStage<?> stage) {
+ CompletableFuture<?> cf =
+ CompletableFuture.completedFuture(null).thenCompose(x -> stage);
+ assertThrows(TimeoutException.class, () -> cf.get(timeout, unit));
+ }
+
+ public static ByteBuffer fullCopy(ByteBuffer src) {
+ ByteBuffer copy = ByteBuffer.allocate(src.capacity());
+ int p = src.position();
+ int l = src.limit();
+ src.clear();
+ copy.put(src).position(p).limit(l);
+ src.position(p).limit(l);
+ return copy;
+ }
+
+ public static DummyWebSocketServer serverWithCannedData(int... data) {
+ byte[] copy = new byte[data.length];
+ for (int i = 0; i < data.length; i++) {
+ copy[i] = (byte) data[i];
+ }
+ return serverWithCannedData(copy);
+ }
+
+ public static DummyWebSocketServer serverWithCannedData(byte... data) {
+ byte[] copy = Arrays.copyOf(data, data.length);
+ return new DummyWebSocketServer() {
+ @Override
+ protected void write(SocketChannel ch) throws IOException {
+ int off = 0; int n = 1; // 1 byte at a time
+ while (off + n < copy.length + n) {
+// try {
+// TimeUnit.MICROSECONDS.sleep(500);
+// } catch (InterruptedException e) {
+// return;
+// }
+ int len = Math.min(copy.length - off, n);
+ ByteBuffer bytes = ByteBuffer.wrap(copy, off, len);
+ off += len;
+ ch.write(bytes);
+ }
+ super.write(ch);
+ }
+ };
+ }
+
+ /*
+ * This server does not read from the wire, allowing its client to fill up
+ * their send buffer. Used to test scenarios with outstanding send
+ * operations.
+ */
+ public static DummyWebSocketServer notReadingServer() {
+ return new DummyWebSocketServer() {
+ @Override
+ protected void read(SocketChannel ch) throws IOException {
+ try {
+ Thread.sleep(Long.MAX_VALUE);
+ } catch (InterruptedException e) {
+ throw new IOException(e);
+ }
+ }
+ };
+ }
+
+ public static DummyWebSocketServer writingServer(int... data) {
+ byte[] copy = new byte[data.length];
+ for (int i = 0; i < data.length; i++) {
+ copy[i] = (byte) data[i];
+ }
+ return new DummyWebSocketServer() {
+
+ @Override
+ protected void read(SocketChannel ch) throws IOException {
+ try {
+ Thread.sleep(Long.MAX_VALUE);
+ } catch (InterruptedException e) {
+ throw new IOException(e);
+ }
+ }
+
+ @Override
+ protected void write(SocketChannel ch) throws IOException {
+ int off = 0; int n = 1; // 1 byte at a time
+ while (off + n < copy.length + n) {
+// try {
+// TimeUnit.MICROSECONDS.sleep(500);
+// } catch (InterruptedException e) {
+// return;
+// }
+ int len = Math.min(copy.length - off, n);
+ ByteBuffer bytes = ByteBuffer.wrap(copy, off, len);
+ off += len;
+ ch.write(bytes);
+ }
+ super.write(ch);
+ }
+ };
+
+ }
+
+ public static String stringWith2NBytes(int n) {
+ // -- Russian Alphabet (33 characters, 2 bytes per char) --
+ char[] abc = {
+ 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0401, 0x0416,
+ 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E,
+ 0x041F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426,
+ 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E,
+ 0x042F,
+ };
+ // repeat cyclically
+ StringBuilder sb = new StringBuilder(n);
+ for (int i = 0, j = 0; i < n; i++, j = (j + 1) % abc.length) {
+ sb.append(abc[j]);
+ }
+ String s = sb.toString();
+ assert s.length() == n && s.getBytes(StandardCharsets.UTF_8).length == 2 * n;
+ return s;
+ }
+
+ public static String malformedString() {
+ return new String(new char[]{0xDC00, 0xD800});
+ }
+
+ public static String incompleteString() {
+ return new String(new char[]{0xD800});
+ }
+
+ public static String stringWithNBytes(int n) {
+ char[] chars = new char[n];
+ Arrays.fill(chars, 'A');
+ return new String(chars);
+ }
+}