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 18 package org.apache.harmony.luni.tests.java.io; 19 20 import java.io.File; 21 import java.io.FilterInputStream; 22 import java.io.IOException; 23 import java.io.InputStream; 24 25 import junit.framework.TestCase; 26 import tests.support.Support_PlatformFile; 27 28 public class FilterInputStreamTest extends TestCase { 29 30 static class MyFilterInputStream extends FilterInputStream { 31 public MyFilterInputStream(InputStream is) { 32 super(is); 33 } 34 } 35 36 private String fileName; 37 38 private InputStream is; 39 40 byte[] ibuf = new byte[4096]; 41 42 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_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"; 43 44 /** 45 * @tests java.io.FilterInputStream#available() 46 */ 47 public void test_available() throws IOException { 48 assertTrue("Returned incorrect number of available bytes", is 49 .available() == fileString.length()); 50 } 51 52 /** 53 * @tests java.io.FilterInputStream#close() 54 */ 55 public void test_close() throws IOException { 56 is.close(); 57 58 try { 59 is.read(); 60 fail("Able to read from closed stream"); 61 } catch (java.io.IOException e) { 62 // Expected 63 } 64 } 65 66 /** 67 * @tests java.io.FilterInputStream#mark(int) 68 */ 69 public void test_markI() { 70 assertTrue("Mark not supported by parent InputStream", true); 71 } 72 73 /** 74 * @tests java.io.FilterInputStream#markSupported() 75 */ 76 public void test_markSupported() { 77 assertTrue("markSupported returned true", !is.markSupported()); 78 } 79 80 /** 81 * @tests java.io.FilterInputStream#read() 82 */ 83 public void test_read() throws Exception { 84 int c = is.read(); 85 assertTrue("read returned incorrect char", c == fileString.charAt(0)); 86 } 87 88 /** 89 * @tests java.io.FilterInputStream#read(byte[]) 90 */ 91 public void test_read$B() throws Exception { 92 byte[] buf1 = new byte[100]; 93 is.read(buf1); 94 assertTrue("Failed to read correct data", new String(buf1, 0, 95 buf1.length, "UTF-8").equals(fileString.substring(0, 100))); 96 } 97 98 /** 99 * @tests java.io.FilterInputStream#read(byte[], int, int) 100 */ 101 public void test_read$BII() throws Exception { 102 byte[] buf1 = new byte[100]; 103 is.skip(3000); 104 is.mark(1000); 105 is.read(buf1, 0, buf1.length); 106 assertTrue("Failed to read correct data", new String(buf1, 0, 107 buf1.length, "UTF-8").equals(fileString.substring(3000, 3100))); 108 } 109 110 /** 111 * @tests java.io.FilterInputStream#reset() 112 */ 113 public void test_reset() { 114 try { 115 is.reset(); 116 fail("should throw IOException"); 117 } catch (IOException e) { 118 // expected 119 } 120 } 121 122 /** 123 * @tests java.io.FilterInputStream#skip(long) 124 */ 125 public void test_skipJ() throws Exception { 126 byte[] buf1 = new byte[10]; 127 is.skip(1000); 128 is.read(buf1, 0, buf1.length); 129 assertTrue("Failed to skip to correct position", new String(buf1, 0, 130 buf1.length, "UTF-8").equals(fileString.substring(1000, 1010))); 131 } 132 133 /** 134 * Sets up the fixture, for example, open a network connection. This method 135 * is called before a test is executed. 136 */ 137 @Override 138 protected void setUp() throws IOException { 139 fileName = System.getProperty("user.dir"); 140 String separator = System.getProperty("file.separator"); 141 if (fileName.charAt(fileName.length() - 1) == separator.charAt(0)) { 142 fileName = Support_PlatformFile.getNewPlatformFile(fileName, 143 "input.tst"); 144 } else { 145 fileName = Support_PlatformFile.getNewPlatformFile(fileName 146 + separator, "input.tst"); 147 } 148 java.io.OutputStream fos = new java.io.FileOutputStream(fileName); 149 fos.write(fileString.getBytes("UTF-8")); 150 fos.close(); 151 is = new MyFilterInputStream(new java.io.FileInputStream(fileName)); 152 } 153 154 /** 155 * Tears down the fixture, for example, close a network connection. This 156 * method is called after a test is executed. 157 */ 158 @Override 159 protected void tearDown() { 160 try { 161 is.close(); 162 } catch (Exception e) { 163 // Ignored 164 } 165 new File(fileName).delete(); 166 } 167 } 168
