| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.ofbiz.base.util; |
| |
| import static org.apache.ofbiz.base.util.UtilIO.readString; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.junit.Test; |
| |
| public class UtilIOTests { |
| private static final byte[] TRADEMARK_BYTES = new byte[] { |
| (byte) 0xE2, (byte) 0x84, (byte) 0xA2 |
| }; |
| |
| @Test |
| public void testReadString() throws Exception { |
| readStringTest0("unix line ending", "\n", new byte[] {0x0A}); |
| readStringTest0("mac line ending", "\r", new byte[] {0x0D}); |
| readStringTest0("windows line ending", "\r\n", new byte[] {0x0D, 0x0A}); |
| } |
| |
| private static byte[] join(byte[]... parts) { |
| int count = 0; |
| for (byte[] part: parts) { |
| count += part.length; |
| } |
| byte[] result = new byte[count]; |
| int i = 0; |
| for (byte[] part: parts) { |
| System.arraycopy(part, 0, result, i, part.length); |
| i += part.length; |
| } |
| return result; |
| } |
| |
| private static void readStringTest0(String label, String lineSeparator, byte[] extra) throws IOException { |
| String originalLineSeparator = System.getProperty("line.separator"); |
| try { |
| System.getProperties().put("line.separator", lineSeparator); |
| readStringTest1(label + ":mark", "\u2122", join(TRADEMARK_BYTES)); |
| readStringTest1(label + ":mark NL", "\u2122\n", join(TRADEMARK_BYTES, extra)); |
| readStringTest1(label + ":NL mark", "\n\u2122", join(extra, TRADEMARK_BYTES)); |
| } finally { |
| System.getProperties().put("line.separator", originalLineSeparator); |
| } |
| } |
| |
| private static void readStringTest1(String label, String wanted, byte[] toRead) throws IOException { |
| assertEquals("readString bytes default:" + label, wanted, readString(toRead)); |
| assertEquals("readString bytes UTF-8:" + label, wanted, readString(toRead, "UTF-8")); |
| assertEquals("readString bytes UTF8:" + label, wanted, readString(toRead, StandardCharsets.UTF_8)); |
| assertEquals("readString bytes offset/length default:" + label, wanted, |
| readString(toRead, 0, toRead.length)); |
| assertEquals("readString bytes offset/length UTF-8:" + label, wanted, |
| readString(toRead, 0, toRead.length, "UTF-8")); |
| assertEquals("readString bytes offset/length UTF8:" + label, wanted, |
| readString(toRead, 0, toRead.length, StandardCharsets.UTF_8)); |
| assertEquals("readString stream default:" + label, wanted, |
| readString(new ByteArrayInputStream(toRead))); |
| assertEquals("readString stream UTF-8:" + label, wanted, |
| readString(new ByteArrayInputStream(toRead), "UTF-8")); |
| assertEquals("readString stream UTF8:" + label, wanted, |
| readString(new ByteArrayInputStream(toRead), StandardCharsets.UTF_8)); |
| } |
| |
| @Test |
| public void testWriteString() throws Exception { |
| writeStringTest0("unix line ending", "\n", new byte[] {0x0A}); |
| writeStringTest0("mac line ending", "\r", new byte[] {0x0D}); |
| writeStringTest0("windows line ending", "\r\n", new byte[] {0x0D, 0x0A}); |
| } |
| |
| private static void writeStringTest0(String label, String lineSeparator, byte[] extra) throws IOException { |
| String originalLineSeparator = System.getProperty("line.separator"); |
| try { |
| System.getProperties().put("line.separator", lineSeparator); |
| writeStringTest1(label + ":mark", join(TRADEMARK_BYTES), "\u2122"); |
| writeStringTest1(label + ":mark NL", join(TRADEMARK_BYTES, extra), "\u2122\n"); |
| writeStringTest1(label + ":NL mark", join(extra, TRADEMARK_BYTES), "\n\u2122"); |
| } finally { |
| System.getProperties().put("line.separator", originalLineSeparator); |
| } |
| } |
| |
| private static void writeStringTest1(String label, byte[] wanted, String toWrite) throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| UtilIO.writeString(baos, toWrite); |
| assertArrayEquals("writeString default:" + label, wanted, baos.toByteArray()); |
| baos = new ByteArrayOutputStream(); |
| UtilIO.writeString(baos, "UTF-8", toWrite); |
| assertArrayEquals("writeString UTF-8:" + label, wanted, baos.toByteArray()); |
| baos = new ByteArrayOutputStream(); |
| UtilIO.writeString(baos, StandardCharsets.UTF_8, toWrite); |
| assertArrayEquals("writeString UTF8:" + label, wanted, baos.toByteArray()); |
| } |
| } |