|
Commons IO example source code file (WriterOutputStreamTest.java)
The Commons IO WriterOutputStreamTest.java source code/* * 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.commons.io.output; import java.io.IOException; import java.io.StringWriter; import java.util.Random; import junit.framework.TestCase; public class WriterOutputStreamTest extends TestCase { private static final String TEST_STRING = "\u00e0 peine arriv\u00e9s nous entr\u00e2mes dans sa chambre"; private static final String LARGE_TEST_STRING; static { StringBuilder buffer = new StringBuilder(); for (int i=0; i<100; i++) { buffer.append(TEST_STRING); } LARGE_TEST_STRING = buffer.toString(); } private Random random = new Random(); private void testWithSingleByteWrite(String testString, String charsetName) throws IOException { byte[] bytes = testString.getBytes(charsetName); StringWriter writer = new StringWriter(); WriterOutputStream out = new WriterOutputStream(writer, charsetName); for (int i=0; i<bytes.length; i++) { out.write(bytes[i]); } out.close(); assertEquals(testString, writer.toString()); } private void testWithBufferedWrite(String testString, String charsetName) throws IOException { byte[] expected = testString.getBytes(charsetName); StringWriter writer = new StringWriter(); WriterOutputStream out = new WriterOutputStream(writer, charsetName); int offset = 0; while (offset < expected.length) { int length = Math.min(random.nextInt(128), expected.length-offset); out.write(expected, offset, length); offset += length; } out.close(); assertEquals(testString, writer.toString()); } public void testUTF8WithSingleByteWrite() throws IOException { testWithSingleByteWrite(TEST_STRING, "UTF-8"); } public void testLargeUTF8WithSingleByteWrite() throws IOException { testWithSingleByteWrite(LARGE_TEST_STRING, "UTF-8"); } public void testUTF8WithBufferedWrite() throws IOException { testWithBufferedWrite(TEST_STRING, "UTF-8"); } public void testLargeUTF8WithBufferedWrite() throws IOException { testWithBufferedWrite(LARGE_TEST_STRING, "UTF-8"); } public void testUTF16WithSingleByteWrite() throws IOException { testWithSingleByteWrite(TEST_STRING, "UTF-16"); } public void testFlush() throws IOException { StringWriter writer = new StringWriter(); WriterOutputStream out = new WriterOutputStream(writer, "us-ascii", 1024, false); out.write("abc".getBytes("us-ascii")); assertEquals(0, writer.getBuffer().length()); out.flush(); assertEquals("abc", writer.toString()); } public void testWriteImmediately() throws IOException { StringWriter writer = new StringWriter(); WriterOutputStream out = new WriterOutputStream(writer, "us-ascii", 1024, true); out.write("abc".getBytes("us-ascii")); assertEquals("abc", writer.toString()); } } Other Commons IO examples (source code examples)Here is a short list of links related to this Commons IO WriterOutputStreamTest.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2024 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.