| /* |
| * Copyright (c) 2016, 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 8167461 |
| * @summary Verify PipeInputStream works. |
| * @modules jdk.compiler/com.sun.tools.javac.util |
| * jdk.jshell/jdk.jshell.execution:open |
| * @run testng PipeInputStreamTest |
| */ |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| |
| import org.testng.annotations.Test; |
| |
| import com.sun.tools.javac.util.Pair; |
| |
| import static org.testng.Assert.*; |
| |
| @Test |
| public class PipeInputStreamTest { |
| |
| public void testReadArrayNotBlocking() throws Exception { |
| Pair<InputStream, OutputStream> streams = createPipeStream(); |
| InputStream in = streams.fst; |
| OutputStream out = streams.snd; |
| out.write('a'); |
| byte[] data = new byte[12]; |
| assertEquals(in.read(data), 1); |
| assertEquals(data[0], 'a'); |
| out.write('a'); out.write('b'); out.write('c'); |
| assertEquals(in.read(data), 3); |
| assertEquals(data[0], 'a'); |
| assertEquals(data[1], 'b'); |
| assertEquals(data[2], 'c'); |
| } |
| |
| private Pair<InputStream, OutputStream> createPipeStream() throws Exception { |
| Class<?> pipeStreamClass = Class.forName("jdk.jshell.execution.PipeInputStream"); |
| Constructor<?> c = pipeStreamClass.getDeclaredConstructor(); |
| c.setAccessible(true); |
| Object pipeStream = c.newInstance(); |
| Method createOutputStream = pipeStreamClass.getDeclaredMethod("createOutput"); |
| createOutputStream.setAccessible(true); |
| return Pair.of((InputStream) pipeStream, (OutputStream) createOutputStream.invoke(pipeStream)); |
| } |
| |
| } |