1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 14 * License for the specific language governing permissions and limitations under 15 * the License. 16 */ 17 18package org.apache.harmony.tests.java.io; 19 20import java.io.File; 21import java.io.FileDescriptor; 22import java.io.FileInputStream; 23import java.io.FileNotFoundException; 24import java.io.FileOutputStream; 25import java.io.IOException; 26 27import junit.framework.TestCase; 28 29public class FileOutputStreamTest extends TestCase { 30 31 private FileOutputStream fos; 32 private FileInputStream fis; 33 private File f; 34 private byte[] bytes; 35 36 public String fileString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_FileOutputStream\nTest_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n"; 37 38 protected void setUp() { 39 bytes = new byte[10]; 40 for (int i = 0; i < bytes.length; i++) { 41 bytes[i] = (byte) i; 42 } 43 } 44 45 /** 46 * Tears down the fixture, for example, close a network connection. This 47 * method is called after a test is executed. 48 */ 49 @Override 50 protected void tearDown() throws Exception { 51 super.tearDown(); 52 if (f != null) { 53 f.delete(); 54 } 55 if (fis != null) { 56 fis.close(); 57 } 58 if (fos != null) { 59 fos.close(); 60 } 61 } 62 63 /** 64 * java.io.FileOutputStream#FileOutputStream(java.io.File) 65 */ 66 public void test_ConstructorLjava_io_File() throws IOException { 67 f = File.createTempFile("FileOutputStreamTest", "tst"); 68 fos = new FileOutputStream(f); 69 } 70 71 /** 72 * java.io.FileOutputStream#FileOutputStream(java.io.FileDescriptor) 73 */ 74 public void test_ConstructorLjava_io_FileDescriptor() throws IOException { 75 f = File.createTempFile("FileOutputStreamTest", "tst"); 76 String fileName = f.getAbsolutePath(); 77 fos = new FileOutputStream(fileName); 78 fos.write('l'); 79 fos.close(); 80 fis = new FileInputStream(fileName); 81 fos = new FileOutputStream(fis.getFD()); 82 fos.close(); 83 fis.close(); 84 } 85 86 /** 87 * java.io.FileOutputStream#FileOutputStream(java.lang.String) 88 */ 89 public void test_ConstructorLjava_lang_String() throws IOException { 90 f = File.createTempFile("FileOutputStreamTest", "tst"); 91 String fileName = f.getAbsolutePath(); 92 fos = new FileOutputStream(fileName); 93 94 // Harmony 4012. 95 fos = new FileOutputStream("/dev/null"); 96 fos.close(); 97 } 98 99 /** 100 * java.io.FileOutputStream#FileOutputStream(java.lang.String, 101 *boolean) 102 */ 103 public void test_ConstructorLjava_lang_StringZ() throws IOException { 104 f = File.createTempFile("FileOutputStreamTest", "tst"); 105 fos = new FileOutputStream(f.getPath(), false); 106 fos.write("HI".getBytes(), 0, 2); 107 fos.close(); 108 fos = new FileOutputStream(f.getPath(), true); 109 fos.write(fileString.getBytes()); 110 fos.close(); 111 byte[] buf = new byte[fileString.length() + 2]; 112 fis = new FileInputStream(f.getPath()); 113 fis.read(buf, 0, buf.length); 114 assertTrue("Failed to create appending stream", new String(buf, 0, 115 buf.length).equals("HI" + fileString)); 116 } 117 118 /** 119 * java.io.FileOutputStream#FileOutputStream(java.lang.String) 120 */ 121 public void test_ConstructorLjava_lang_String_I() throws IOException { 122 try { 123 fos = new FileOutputStream(""); 124 fail("should throw FileNotFoundException."); 125 } catch (FileNotFoundException e) { 126 // Expected 127 } finally { 128 if (fos != null) { 129 fos.close(); 130 } 131 } 132 try { 133 fos = new FileOutputStream(new File("")); 134 fail("should throw FileNotFoundException."); 135 } catch (FileNotFoundException e) { 136 // Expected 137 } finally { 138 if (fos != null) { 139 fos.close(); 140 } 141 } 142 } 143 144 /** 145 * java.io.FileOutputStream#close() 146 */ 147 public void test_close() throws IOException { 148 f = File.createTempFile("FileOutputStreamTest", "tst"); 149 fos = new FileOutputStream(f.getPath()); 150 fos.close(); 151 152 try { 153 fos.write(fileString.getBytes()); 154 fail("Close test failed - wrote to closed stream"); 155 } catch (IOException e) { 156 // Expected 157 } 158 } 159 160 /** 161 * java.io.FileOutputStream#getFD() 162 */ 163 public void test_getFD() throws IOException { 164 f = File.createTempFile("FileOutputStreamTest", "tst"); 165 String fileName = f.getAbsolutePath(); 166 fos = new FileOutputStream(f); 167 assertTrue("Returned invalid fd", fos.getFD().valid()); 168 fos.close(); 169 assertTrue("Returned invalid fd", !fos.getFD().valid()); 170 } 171 172 /** 173 * java.io.FileOutputStream#write(byte[]) 174 */ 175 public void test_write$B() throws IOException { 176 f = File.createTempFile("FileOutputStreamTest", "tst"); 177 fos = new FileOutputStream(f.getPath()); 178 fos.write(fileString.getBytes()); 179 fis = new FileInputStream(f.getPath()); 180 byte rbytes[] = new byte[4000]; 181 fis.read(rbytes, 0, fileString.length()); 182 assertTrue("Incorrect string returned", new String(rbytes, 0, 183 fileString.length()).equals(fileString)); 184 } 185 186 /** 187 * java.io.FileOutputStream#write(byte[], int, int) 188 */ 189 public void test_write$BII() throws IOException { 190 f = File.createTempFile("FileOutputStreamTest", "tst"); 191 fos = new FileOutputStream(f.getPath()); 192 fos.write(fileString.getBytes(), 0, fileString.length()); 193 fis = new FileInputStream(f.getPath()); 194 byte rbytes[] = new byte[4000]; 195 fis.read(rbytes, 0, fileString.length()); 196 assertTrue("Incorrect bytes written", new String(rbytes, 0, fileString 197 .length()).equals(fileString)); 198 199 // Regression test for HARMONY-285 200 File file = File.createTempFile("FileOutputStreamTest", ".tmp"); 201 FileOutputStream out = new FileOutputStream(file); 202 try { 203 out.write(null, 0, 0); 204 fail(); 205 } catch (NullPointerException expected) { 206 207 } finally { 208 out.close(); 209 file.delete(); 210 } 211 } 212 213 /** 214 * java.io.FileOutputStream#write(int) 215 */ 216 public void test_writeI() throws IOException { 217 f = File.createTempFile("FileOutputStreamTest", "tst"); 218 fos = new FileOutputStream(f.getPath()); 219 fos.write('t'); 220 fis = new FileInputStream(f.getPath()); 221 assertEquals("Incorrect char written", 't', fis.read()); 222 } 223 224 /** 225 * java.io.FileOutputStream#write(byte[], int, int) 226 */ 227 public void test_write$BII2() throws IOException { 228 // Regression for HARMONY-437 229 f = File.createTempFile("FileOutputStreamTest", "tst"); 230 fos = new FileOutputStream(f.getPath()); 231 232 try { 233 fos.write(null, 1, 1); 234 fail("NullPointerException must be thrown"); 235 } catch (NullPointerException e) { 236 } 237 238 try { 239 fos.write(new byte[1], -1, 1); 240 fail("IndexOutOfBoundsException must be thrown if off <0"); 241 } catch (IndexOutOfBoundsException e) { 242 } 243 244 try { 245 fos.write(new byte[1], 0, -1); 246 fail("IndexOutOfBoundsException must be thrown if len <0"); 247 } catch (IndexOutOfBoundsException e) { 248 } 249 250 try { 251 fos.write(new byte[1], 0, 5); 252 fail("IndexOutOfBoundsException must be thrown if off+len > b.length"); 253 } catch (IndexOutOfBoundsException e) { 254 } 255 256 try { 257 fos.write(new byte[10], Integer.MAX_VALUE, 5); 258 fail("IndexOutOfBoundsException expected"); 259 } catch (IndexOutOfBoundsException e) { 260 } 261 262 try { 263 fos.write(new byte[10], 5, Integer.MAX_VALUE); 264 fail("IndexOutOfBoundsException expected"); 265 } catch (IndexOutOfBoundsException e) { 266 } 267 fos.close(); 268 } 269 270 /** 271 * java.io.FileOutputStream#write(byte[], int, int) 272 */ 273 public void test_write$BII3() throws IOException { 274 // Regression for HARMONY-834 275 // no exception expected 276 new FileOutputStream(new FileDescriptor()).write(new byte[1], 0, 0); 277 } 278 279 /** 280 * java.io.FileOutputStream#getChannel() 281 */ 282 public void test_getChannel() throws IOException { 283 // Regression for HARMONY-508 284 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 285 tmpfile.deleteOnExit(); 286 FileOutputStream fos = new FileOutputStream(tmpfile); 287 fos.write(bytes); 288 fos.flush(); 289 fos.close(); 290 FileOutputStream f = new FileOutputStream(tmpfile, true); 291 // Harmony expected 10, but the RI and Android report 0. 292 assertEquals(0, f.getChannel().position()); 293 } 294 295 public void test_getChannel_Append() throws IOException { 296 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 297 tmpfile.deleteOnExit(); 298 FileOutputStream fos = new FileOutputStream(tmpfile, true); 299 assertEquals(0, fos.getChannel().position()); 300 fos.write(bytes); 301 assertEquals(10, fos.getChannel().position()); 302 fos.write(bytes); 303 assertEquals(20, fos.getChannel().position()); 304 fos.write(bytes); 305 assertEquals(30, fos.getChannel().position()); 306 fos.close(); 307 308 try { 309 fos.getChannel().position(); 310 fail("should throw ClosedChannelException"); 311 } catch (java.nio.channels.ClosedChannelException e) { 312 // Expected 313 } 314 } 315 316 public void test_getChannel_UnAppend() throws IOException { 317 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 318 tmpfile.deleteOnExit(); 319 FileOutputStream fos = new FileOutputStream(tmpfile, false); 320 assertEquals(0, fos.getChannel().position()); 321 fos.write(bytes); 322 assertEquals(10, fos.getChannel().position()); 323 fos.write(bytes); 324 assertEquals(20, fos.getChannel().position()); 325 fos.write(bytes); 326 assertEquals(30, fos.getChannel().position()); 327 fos.close(); 328 329 try { 330 fos.getChannel().position(); 331 fail("should throw ClosedChannelException"); 332 } catch (java.nio.channels.ClosedChannelException e) { 333 // Expected 334 } 335 } 336 337 public void test_getChannel_Unappend_Unappend() throws IOException { 338 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 339 tmpfile.deleteOnExit(); 340 FileOutputStream fos = new FileOutputStream(tmpfile, false); 341 assertEquals(0, fos.getChannel().position()); 342 fos.write(bytes); 343 assertEquals(10, fos.getChannel().position()); 344 fos.close(); 345 346 fos = new FileOutputStream(tmpfile, false); 347 assertEquals(0, fos.getChannel().position()); 348 fos.close(); 349 } 350 351 public void test_getChannel_Unappend_Append() throws IOException { 352 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 353 tmpfile.deleteOnExit(); 354 FileOutputStream fos = new FileOutputStream(tmpfile, false); 355 assertEquals(0, fos.getChannel().position()); 356 fos.write(bytes); 357 assertEquals(10, fos.getChannel().position()); 358 fos.close(); 359 360 fos = new FileOutputStream(tmpfile, true); 361 // Harmony expected 10, but the RI and Android report 0. 362 assertEquals(0, fos.getChannel().position()); 363 fos.close(); 364 } 365 366 public void test_getChannel_Append_Unappend() throws IOException { 367 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 368 tmpfile.deleteOnExit(); 369 FileOutputStream fos = new FileOutputStream(tmpfile, true); 370 assertEquals(0, fos.getChannel().position()); 371 fos.write(bytes); 372 assertEquals(10, fos.getChannel().position()); 373 fos.close(); 374 375 fos = new FileOutputStream(tmpfile, false); 376 assertEquals(0, fos.getChannel().position()); 377 fos.close(); 378 } 379 380 public void test_getChanne_Append_Append() throws IOException { 381 File tmpfile = File.createTempFile("FileOutputStream", "tmp"); 382 tmpfile.deleteOnExit(); 383 FileOutputStream fos = new FileOutputStream(tmpfile, true); 384 assertEquals(0, fos.getChannel().position()); 385 fos.write(bytes); 386 assertEquals(10, fos.getChannel().position()); 387 fos.close(); 388 389 fos = new FileOutputStream(tmpfile, true); 390 // Harmony expected 10, but the RI and Android report 0. 391 assertEquals(0, fos.getChannel().position()); 392 fos.close(); 393 } 394} 395