1cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath/* 2cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Licensed to the Apache Software Foundation (ASF) under one or more 3cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * contributor license agreements. See the NOTICE file distributed with 4cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * this work for additional information regarding copyright ownership. 5cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * The ASF licenses this file to You under the Apache License, Version 2.0 6cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * (the "License"); you may not use this file except in compliance with 7cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * the License. You may obtain a copy of the License at 8cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 9cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * http://www.apache.org/licenses/LICENSE-2.0 10cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 11cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Unless required by applicable law or agreed to in writing, software 12cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * distributed under the License is distributed on an "AS IS" BASIS, 13cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * See the License for the specific language governing permissions and 15cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * limitations under the License. 16cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 17cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 18ab762bb740405d0fefcccf4a0899a234f995be13Narayan Kamathpackage org.apache.harmony.tests.java.io; 19cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 20cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.BufferedReader; 21cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.BufferedWriter; 22cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.File; 23cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileInputStream; 24cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileOutputStream; 25cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileReader; 26cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileWriter; 27cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.IOException; 28cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 29cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport junit.framework.TestCase; 30cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 31cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathpublic class FileWriterTest extends TestCase { 322b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath private FileInputStream fis; 332b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath private BufferedWriter bw; 342b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath private File f; 352b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath private FileOutputStream fos; 362b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath private BufferedReader br; 37cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 38cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 39cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * java.io.FileWriter#FileWriter(java.io.File) 40cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 41cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public void test_ConstructorLjava_io_File() throws IOException { 42cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos = new FileOutputStream(f.getPath()); 43cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.write("Test String".getBytes()); 44cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.close(); 45cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw = new BufferedWriter(new FileWriter(f)); 46cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.write(" After test string", 0, 18); 47cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.close(); 48cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br = new BufferedReader(new FileReader(f.getPath())); 49cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] buf = new char[100]; 50cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int r = br.read(buf); 51cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br.close(); 52cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals("Failed to write correct chars", " After test string", 53cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath new String(buf, 0, r)); 54cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 55cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 56cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 57cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * java.io.FileWriter#FileWriter(java.io.File, boolean) 58cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 59cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public void test_ConstructorLjava_io_FileZ() throws IOException { 60cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath FileWriter fileWriter = new FileWriter(f); 61cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 62cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath String first = "The first string for testing. "; 63cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.write(first); 64cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.close(); 65cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 66cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter = new FileWriter(f, true); 67cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath String second = "The second String for testing."; 68cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.write(second); 69cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.close(); 70cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 71cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath FileReader fileReader = new FileReader(f); 72cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] out = new char[first.length() + second.length() + 10]; 73cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int length = fileReader.read(out); 74cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileReader.close(); 75cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals(first + second, new String(out, 0, length)); 76cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 77cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter = new FileWriter(f); 78cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath first = "The first string for testing. "; 79cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.write(first); 80cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.close(); 81cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 82cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter = new FileWriter(f, false); 83cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath second = "The second String for testing."; 84cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.write(second); 85cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileWriter.close(); 86cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 87cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileReader = new FileReader(f); 88cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath out = new char[first.length() + second.length() + 10]; 89cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath length = fileReader.read(out); 90cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fileReader.close(); 91cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals(second, new String(out, 0, length)); 92cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 93cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 94cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 95cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * java.io.FileWriter#FileWriter(java.io.FileDescriptor) 96cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 97cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public void test_ConstructorLjava_io_FileDescriptor() throws IOException { 98cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos = new FileOutputStream(f.getPath()); 99cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.write("Test String".getBytes()); 100cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.close(); 101cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fis = new FileInputStream(f.getPath()); 102cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br = new BufferedReader(new FileReader(fis.getFD())); 103cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] buf = new char[100]; 104cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int r = br.read(buf); 105cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br.close(); 106cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fis.close(); 107cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertTrue("Failed to write correct chars: " + new String(buf, 0, r), 108cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath new String(buf, 0, r).equals("Test String")); 109cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 110cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 111cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 112cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * java.io.FileWriter#FileWriter(java.lang.String) 113cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 114cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public void test_ConstructorLjava_lang_String() throws IOException { 115cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos = new FileOutputStream(f.getPath()); 116cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.write("Test String".getBytes()); 117cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.close(); 118cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw = new BufferedWriter(new FileWriter(f.getPath())); 119cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.write(" After test string", 0, 18); 120cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.close(); 121cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br = new BufferedReader(new FileReader(f.getPath())); 122cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] buf = new char[100]; 123cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int r = br.read(buf); 124cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br.close(); 125cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals("Failed to write correct chars", " After test string", 126cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath new String(buf, 0, r)); 127cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 128cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 129cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 130cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * java.io.FileWriter#FileWriter(java.lang.String, boolean) 131cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 132cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public void test_ConstructorLjava_lang_StringZ() throws IOException { 133cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos = new FileOutputStream(f.getPath()); 134cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.write("Test String".getBytes()); 135cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.close(); 136cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw = new BufferedWriter(new FileWriter(f.getPath(), true)); 137cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.write(" After test string", 0, 18); 138cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.close(); 139cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br = new BufferedReader(new FileReader(f.getPath())); 140cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath char[] buf = new char[100]; 141cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath int r = br.read(buf); 142cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br.close(); 143cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals("Failed to append to file", 144cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath "Test String After test string", new String(buf, 0, r)); 145cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 146cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos = new FileOutputStream(f.getPath()); 147cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.write("Test String".getBytes()); 148cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fos.close(); 149cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw = new BufferedWriter(new FileWriter(f.getPath(), false)); 150cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.write(" After test string", 0, 18); 151cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.close(); 152cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br = new BufferedReader(new FileReader(f.getPath())); 153cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath buf = new char[100]; 154cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath r = br.read(buf); 155cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath br.close(); 156cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath assertEquals("Failed to overwrite file", " After test string", 157cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath new String(buf, 0, r)); 158cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 159cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 160cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 161cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Sets up the fixture, for example, open a network connection. This method 162cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * is called before a test is executed. 163cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 164cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 1652b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath protected void setUp() throws Exception { 1662b7c83942a5e28c53698232182193d5118028e6cNarayan Kamath f = File.createTempFile("FileWriterTest", "tst"); 167cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 168cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 169cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 170cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tears down the fixture, for example, close a network connection. This 171cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * method is called after a test is executed. 172cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 173cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath @Override 174cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath protected void tearDown() { 175cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 176cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath bw.close(); 177cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 178cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 179cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 180cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath fis.close(); 181cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 182cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 183cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath f.delete(); 184cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 185cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath} 186