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, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package org.apache.harmony.tests.java.io; 19 20import java.io.ByteArrayInputStream; 21import java.io.ByteArrayOutputStream; 22import java.io.FilterOutputStream; 23import java.io.IOException; 24import java.io.OutputStream; 25 26import junit.framework.TestCase; 27 28public class FilterOutputStreamTest extends TestCase { 29 30 private OutputStream os; 31 32 ByteArrayOutputStream bos; 33 34 ByteArrayInputStream bis; 35 36 byte[] ibuf = new byte[4096]; 37 38 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_java_io_FileOutputStream\nTest_java_io_FilterInputStream\nTest_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"; 39 40 /** 41 * java.io.FilterOutputStream#FilterOutputStream(java.io.OutputStream) 42 */ 43 public void test_ConstructorLjava_io_OutputStream() throws IOException { 44 bos = new ByteArrayOutputStream(); 45 os = new FilterOutputStream(bos); 46 os.write('t'); 47 } 48 49 /** 50 * java.io.FilterOutputStream#close() 51 */ 52 public void test_close() throws IOException { 53 bos = new ByteArrayOutputStream(); 54 os = new FilterOutputStream(bos); 55 os.write(fileString.getBytes(), 0, 500); 56 os.flush(); 57 assertEquals("Bytes not written after flush", 500, bos.size()); 58 os.close(); 59 } 60 61 /** 62 * java.io.FilterOutputStream#flush() 63 */ 64 public void test_flush() throws IOException { 65 bos = new ByteArrayOutputStream(); 66 os = new FilterOutputStream(bos); 67 os.write(fileString.getBytes(), 0, 500); 68 os.flush(); 69 assertEquals("Bytes not written after flush", 500, bos.size()); 70 os.close(); 71 } 72 73 /** 74 * java.io.FilterOutputStream#write(byte[]) 75 */ 76 public void test_write$B() throws IOException { 77 bos = new ByteArrayOutputStream(); 78 os = new FilterOutputStream(bos); 79 os.write(fileString.getBytes()); 80 bis = new ByteArrayInputStream(bos.toByteArray()); 81 os.flush(); 82 assertTrue("Bytes not written after flush", 83 bis.available() == fileString.length()); 84 byte[] wbytes = new byte[fileString.length()]; 85 bis.read(wbytes, 0, fileString.length()); 86 assertTrue("Incorrect bytes written", fileString.equals(new String( 87 wbytes, 0, wbytes.length))); 88 } 89 90 /** 91 * java.io.FilterOutputStream#write(byte[], int, int) 92 */ 93 public void test_write$BII() throws IOException { 94 bos = new ByteArrayOutputStream(); 95 os = new FilterOutputStream(bos); 96 os.write(fileString.getBytes(), 0, fileString.length()); 97 bis = new ByteArrayInputStream(bos.toByteArray()); 98 os.flush(); 99 assertTrue("Bytes not written after flush", 100 bis.available() == fileString.length()); 101 byte[] wbytes = new byte[fileString.length()]; 102 bis.read(wbytes, 0, fileString.length()); 103 assertTrue("Incorrect bytes written", fileString.equals(new String( 104 wbytes, 0, wbytes.length))); 105 } 106 107 /** 108 * java.io.FilterOutputStream#write(int) 109 */ 110 public void test_writeI() throws IOException { 111 bos = new ByteArrayOutputStream(); 112 os = new FilterOutputStream(bos); 113 os.write('t'); 114 bis = new ByteArrayInputStream(bos.toByteArray()); 115 os.flush(); 116 assertEquals("Byte not written after flush", 1, bis.available()); 117 byte[] wbytes = new byte[1]; 118 bis.read(wbytes, 0, 1); 119 assertEquals("Incorrect byte written", 't', wbytes[0]); 120 } 121 122 /** 123 * Tears down the fixture, for example, close a network connection. This 124 * method is called after a test is executed. 125 */ 126 protected void tearDown() { 127 try { 128 if (bos != null) 129 bos.close(); 130 if (bis != null) 131 bis.close(); 132 if (os != null) 133 os.close(); 134 } catch (Exception e) { 135 // Ignored 136 } 137 } 138} 139