test/jdk/java/net/httpclient/LineStreamsAndSurrogatesTest.java
branchhttp-client-branch
changeset 56009 cf8792f51dee
child 56089 42208b2f224e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/httpclient/LineStreamsAndSurrogatesTest.java	Fri Jan 12 15:36:28 2018 +0000
@@ -0,0 +1,319 @@
+/*
+ * 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 jdk.incubator.http.HttpResponse.BodySubscriber;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.InputStreamReader;
+import java.io.StringReader;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.MalformedInputException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.SubmissionPublisher;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static java.nio.charset.StandardCharsets.UTF_16;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertThrows;
+import static org.testng.Assert.assertTrue;
+
+/*
+ * @test
+ * @summary tests for BodySubscribers returned by asLines.
+ *       In particular tests that surrogate characters are handled
+ *       correctly.
+ * @modules jdk.incubator.httpclient java.logging
+ * @run testng/othervm LineStreamsAndSurrogatesTest
+ */
+
+public class LineStreamsAndSurrogatesTest {
+
+
+    static final Class<NullPointerException> NPE = NullPointerException.class;
+
+    private static final List<String> lines(String text) {
+        return new BufferedReader(new StringReader(text)).lines().collect(Collectors.toList());
+    }
+
+    @Test
+    void testUncomplete() throws Exception {
+        // Uses U+10400 which is encoded as the surrogate pair U+D801 U+DC00
+        String text = "Bient\u00f4t\r\n nous plongerons\r\n dans\r les\n\n" +
+                " fr\u00f4\ud801\udc00des\r\n t\u00e9n\u00e8bres\ud801\udc00";
+        Charset charset = UTF_8;
+
+        BodySubscriber<Stream<String>> bodySubscriber =
+                BodySubscriber.asLines(charset);
+        AtomicReference<Throwable> errorRef = new AtomicReference<>();
+        Runnable run = () -> {
+            try {
+                SubmissionPublisher<List<ByteBuffer>> publisher = new SubmissionPublisher<>();
+                byte[] sbytes = text.getBytes(charset);
+                byte[] bytes = Arrays.copyOfRange(sbytes, 0, sbytes.length - 1);
+                publisher.subscribe(bodySubscriber);
+                System.out.println("Publishing " + bytes.length + " bytes");
+                for (int i = 0; i < bytes.length; i++) {
+                    // ensure that surrogates are split over several buffers.
+                    publisher.submit(List.of(ByteBuffer.wrap(bytes, i, 1)));
+                }
+                publisher.close();
+            } catch(Throwable t) {
+                errorRef.set(t);
+            }
+        };
+        Thread thread = new Thread(run,"Publishing");
+        thread.start();
+        try {
+            Stream<String> stream = bodySubscriber.getBody().toCompletableFuture().get();
+            List<String> list = stream.collect(Collectors.toList());
+            String resp = list.stream().collect(Collectors.joining(""));
+            System.out.println("***** Got: " + resp);
+
+            byte[] sbytes = text.getBytes(UTF_8);
+            byte[] bytes = Arrays.copyOfRange(sbytes, 0, sbytes.length - 1);
+            ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(bais, charset));
+            String resp2 = reader.lines().collect(Collectors.joining(""));
+            System.out.println("***** Got2: " + resp2);
+
+            assertEquals(resp, resp2);
+            assertEquals(list, List.of("Bient\u00f4t",
+                                       " nous plongerons",
+                                       " dans",
+                                       " les",
+                                       "",
+                                       " fr\u00f4\ud801\udc00des",
+                                       " t\u00e9n\u00e8bres\ufffd"));
+        } catch (ExecutionException x) {
+            Throwable cause = x.getCause();
+            if (cause instanceof MalformedInputException) {
+                throw new RuntimeException("Unexpected MalformedInputException", cause);
+            }
+            throw x;
+        }
+        if (errorRef.get() != null) {
+            throw new RuntimeException("Unexpected exception", errorRef.get());
+        }
+    }
+
+    @Test
+    void testStream1() throws Exception {
+        // Uses U+10400 which is encoded as the surrogate pair U+D801 U+DC00
+        String text = "Bient\u00f4t\r\n nous plongerons\r\n dans\r\r les\n\n" +
+                " fr\u00f4\ud801\udc00des\r\n t\u00e9n\u00e8bres";
+        Charset charset = UTF_8;
+
+        BodySubscriber<Stream<String>> bodySubscriber =
+                BodySubscriber.asLines(charset);
+        SubmissionPublisher<List<ByteBuffer>> publisher = new SubmissionPublisher<>();
+        byte[] bytes = text.getBytes(charset);
+        AtomicReference<Throwable> errorRef = new AtomicReference<>();
+        Runnable run = () -> {
+            try {
+                publisher.subscribe(bodySubscriber);
+                System.out.println("Publishing " + bytes.length + " bytes");
+                for (int i = 0; i < bytes.length; i++) {
+                    // ensure that surrogates are split over several buffers.
+                    publisher.submit(List.of(ByteBuffer.wrap(bytes, i, 1)));
+                }
+                publisher.close();
+            } catch(Throwable t) {
+                errorRef.set(t);
+            }
+        };
+
+        Stream<String> stream = bodySubscriber.getBody().toCompletableFuture().get();
+        Thread thread = new Thread(run,"Publishing");
+        thread.start();
+        List<String> list = stream.collect(Collectors.toList());
+        String resp = list.stream().collect(Collectors.joining("|"));
+        System.out.println("***** Got: " + resp);
+        assertEquals(resp, text.replace("\r\n", "|")
+                               .replace("\n","|")
+                               .replace("\r","|"));
+        assertEquals(list, List.of("Bient\u00f4t",
+                " nous plongerons",
+                " dans",
+                "",
+                " les",
+                "",
+                " fr\u00f4\ud801\udc00des",
+                " t\u00e9n\u00e8bres"));
+        assertEquals(list, lines(text));
+        if (errorRef.get() != null) {
+            throw new RuntimeException("Unexpected exception", errorRef.get());
+        }
+    }
+
+
+    @Test
+    void testStream2() throws Exception {
+        String text = "Bient\u00f4t\r\n nous plongerons\r\n dans\r\r" +
+                " les fr\u00f4\ud801\udc00des\r\n t\u00e9n\u00e8bres\r\r";
+        Charset charset = UTF_8;
+
+        BodySubscriber<Stream<String>> bodySubscriber = BodySubscriber.asLines(charset);
+        SubmissionPublisher<List<ByteBuffer>> publisher = new SubmissionPublisher<>();
+        byte[] bytes = text.getBytes(charset);
+        AtomicReference<Throwable> errorRef = new AtomicReference<>();
+        Runnable run = () -> {
+            try {
+                publisher.subscribe(bodySubscriber);
+                System.out.println("Publishing " + bytes.length + " bytes");
+                for (int i = 0; i < bytes.length; i++) {
+                    // ensure that surrogates are split over several buffers.
+                    publisher.submit(List.of(ByteBuffer.wrap(bytes, i, 1)));
+                }
+                publisher.close();
+            } catch(Throwable t) {
+                errorRef.set(t);
+            }
+        };
+
+        Stream<String> stream = bodySubscriber.getBody().toCompletableFuture().get();
+        Thread thread = new Thread(run,"Publishing");
+        thread.start();
+        List<String> list = stream.collect(Collectors.toList());
+        String resp = list.stream().collect(Collectors.joining(""));
+        System.out.println("***** Got: " + resp);
+        String expected = Stream.of(text.split("\r\n|\r|\n"))
+                .collect(Collectors.joining(""));
+        assertEquals(resp, expected);
+        assertEquals(list, List.of("Bient\u00f4t",
+                " nous plongerons",
+                " dans",
+                "",
+                " les fr\u00f4\ud801\udc00des",
+                " t\u00e9n\u00e8bres",
+                ""));
+        assertEquals(list, lines(text));
+        if (errorRef.get() != null) {
+            throw new RuntimeException("Unexpected exception", errorRef.get());
+        }
+    }
+
+    @Test
+    void testStream3_UTF16() throws Exception {
+        // Uses U+10400 which is encoded as the surrogate pair U+D801 U+DC00
+        String text = "Bient\u00f4t\r\n nous plongerons\r\n dans\r\r" +
+                " les\n\n fr\u00f4\ud801\udc00des\r\n t\u00e9n\u00e8bres";
+        Charset charset = UTF_16;
+
+        BodySubscriber<Stream<String>> bodySubscriber =
+                BodySubscriber.asLines(charset);
+        SubmissionPublisher<List<ByteBuffer>> publisher = new SubmissionPublisher<>();
+        byte[] bytes = text.getBytes(charset);
+        AtomicReference<Throwable> errorRef = new AtomicReference<>();
+        Runnable run = () -> {
+            try {
+                publisher.subscribe(bodySubscriber);
+                System.out.println("Publishing " + bytes.length + " bytes");
+                for (int i = 0; i < bytes.length; i++) {
+                    // ensure that surrogates are split over several buffers.
+                    publisher.submit(List.of(ByteBuffer.wrap(bytes, i, 1)));
+                }
+                publisher.close();
+            } catch(Throwable t) {
+                errorRef.set(t);
+            }
+        };
+
+        Stream<String> stream = bodySubscriber.getBody().toCompletableFuture().get();
+        Thread thread = new Thread(run,"Publishing");
+        thread.start();
+        List<String> list = stream.collect(Collectors.toList());
+        String resp = list.stream().collect(Collectors.joining(""));
+        System.out.println("***** Got: " + resp);
+        assertEquals(resp, text.replace("\n","").replace("\r",""));
+        assertEquals(list, List.of("Bient\u00f4t",
+                " nous plongerons",
+                " dans",
+                "",
+                " les",
+                "",
+                " fr\u00f4\ud801\udc00des",
+                " t\u00e9n\u00e8bres"));
+        assertEquals(list, lines(text));
+        if (errorRef.get() != null) {
+            throw new RuntimeException("Unexpected exception", errorRef.get());
+        }
+    }
+
+
+    @Test
+    void testStream4_UTF16() throws Exception {
+        String text = "Bient\u00f4t\r\n nous plongerons\r\n dans\r\r" +
+                " les fr\u00f4\ud801\udc00des\r\n t\u00e9n\u00e8bres\r\r";
+        Charset charset = UTF_16;
+
+        BodySubscriber<Stream<String>> bodySubscriber =
+                BodySubscriber.asLines(charset);
+        SubmissionPublisher<List<ByteBuffer>> publisher = new SubmissionPublisher<>();
+        byte[] bytes = text.getBytes(charset);
+        AtomicReference<Throwable> errorRef = new AtomicReference<>();
+        Runnable run = () -> {
+            try {
+                publisher.subscribe(bodySubscriber);
+                System.out.println("Publishing " + bytes.length + " bytes");
+                for (int i = 0; i < bytes.length; i++) {
+                    // ensure that surrogates are split over several buffers.
+                    publisher.submit(List.of(ByteBuffer.wrap(bytes, i, 1)));
+                }
+                publisher.close();
+            } catch(Throwable t) {
+                errorRef.set(t);
+            }
+        };
+
+        Stream<String> stream = bodySubscriber.getBody().toCompletableFuture().get();
+        Thread thread = new Thread(run,"Publishing");
+        thread.start();
+        List<String> list = stream.collect(Collectors.toList());
+        String resp = list.stream().collect(Collectors.joining(""));
+        System.out.println("***** Got: " + resp);
+        String expected = Stream.of(text.split("\r\n|\r|\n"))
+                .collect(Collectors.joining(""));
+        assertEquals(resp, expected);
+        assertEquals(list, List.of("Bient\u00f4t",
+                " nous plongerons",
+                " dans",
+                "",
+                " les fr\u00f4\ud801\udc00des",
+                " t\u00e9n\u00e8bres",
+                ""));
+        assertEquals(list, lines(text));
+        if (errorRef.get() != null) {
+            throw new RuntimeException("Unexpected exception", errorRef.get());
+        }
+    }
+
+}