| /******************************************************************************* |
| * Copyright (c) 2019 Paul Pazderski and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Paul Pazderski - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.tests.console; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.ByteArrayInputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Collections; |
| |
| import org.eclipse.debug.internal.core.StreamsProxy; |
| import org.eclipse.debug.tests.AbstractDebugTest; |
| import org.junit.Test; |
| |
| /** |
| * Tests the {@link StreamsProxy}. |
| */ |
| public class StreamsProxyTests extends AbstractDebugTest { |
| |
| /** |
| * Test console receiving UTF-8 output from process where two-byte UTF-8 |
| * characters start at even offsets. |
| */ |
| @Test |
| public void testReceiveUTF8Even() throws Exception { |
| // 4500 characters results in 9000 byte of output which should be more |
| // than most common buffer sizes. |
| receiveUTF8Test("", 4500); |
| } |
| |
| /** |
| * Test console receiving UTF-8 output from process where two-byte UTF-8 |
| * characters start at odd offsets. |
| */ |
| @Test |
| public void testReceiveUTF8Odd() throws Exception { |
| // 4500 characters results in 9000 byte of output which should be more |
| // than most common buffer sizes. |
| receiveUTF8Test("+", 4500); |
| } |
| |
| /** |
| * Shared code for the UTF-8 tests. |
| * <p> |
| * Receive some UTF-8 content from a (mockup) process output stream. |
| * </p> |
| * |
| * @param prefix an arbitrary prefix inserted before the two byte UTF-8 |
| * characters. Used to move the other characters to specific |
| * offsets e.g. a prefix of one byte will produce output where |
| * every two byte character starts at an odd offset. |
| * @param numTwoByteCharacters number of two byte UTF-8 characters to output |
| */ |
| private void receiveUTF8Test(String prefix, int numTwoByteCharacters) throws Exception { |
| final String s = prefix + String.join("", Collections.nCopies(numTwoByteCharacters, "\u00F8")); |
| final ByteArrayInputStream stdout = new ByteArrayInputStream(s.getBytes(StandardCharsets.UTF_8)); |
| final Process mockProcess = new MockProcess(stdout, null, 0); |
| final StreamsProxy streamProxy = new StreamsProxy(mockProcess, StandardCharsets.UTF_8); |
| streamProxy.close(); |
| final String readContent = streamProxy.getOutputStreamMonitor().getContents(); |
| assertEquals("Process output got corrupted.", s, readContent); |
| } |
| } |