test/jdk/java/nio/channels/Channels/ReadByte.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/nio/channels/Channels/ReadByte.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2002, 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
+ * @bug 4773447
+ * @summary Test Channels.newInputStream.read() method
+ */
+
+import java.nio.ByteBuffer;
+import java.nio.channels.ReadableByteChannel;
+import java.nio.channels.Channels;
+import java.io.InputStream;
+import java.io.IOException;
+
+public class ReadByte {
+    public static void main(String[] args) throws IOException {
+        ReadableByteChannel channel = new ReadableByteChannel() {
+            public int read(ByteBuffer dst) {
+                dst.put((byte) 129);
+                return 1;
+            }
+
+            public boolean isOpen() {
+                return true;
+            }
+
+            public void close() {
+            }
+        };
+
+        InputStream in = Channels.newInputStream(channel);
+        int data = in.read();
+        if (data < 0)
+            throw new RuntimeException(
+                "InputStream.read() spec'd to return 0-255");
+    }
+}