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 package org.apache.harmony.tests.java.io; 18 19 import java.io.BufferedInputStream; 20 import java.io.ByteArrayInputStream; 21 import java.io.IOException; 22 import java.io.LineNumberInputStream; 23 import java.io.UnsupportedEncodingException; 24 25 import junit.framework.TestCase; 26 27 @SuppressWarnings("deprecation") 28 public class LineNumberInputStreamTest extends TestCase { 29 30 String text = "0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n25\n26\n27\n28\n29\n30\n31\n32\n33\n34\n35\n36\n37\n38\n39\n40\n41\n42\n43\n44\n45\n46\n47\n48\n49\n50\n51\n52\n53\n54\n55\n56\n57\n58\n59\n60\n61\n62\n63\n64\n65\n66\n67\n68\n69\n70\n71\n72\n73\n74\n75\n76\n77\n78\n79\n80\n81\n82\n83\n84\n85\n86\n87\n88\n89\n90\n91\n92\n93\n94\n95\n96\n97\n98\n99\n100\n101\n102\n103\n104\n105\n106\n107\n108\n109\n110\n111\n112\n113\n114\n115\n116\n117\n118\n119\n120\n121\n122\n123\n124\n125\n126\n127\n128\n129\n130\n131\n132\n133\n134\n135\n136\n137\n138\n139\n140\n141\n142\n143\n144\n145\n146\n147\n148\n149\n150\n151\n152\n153\n154\n155\n156\n157\n158\n159\n160\n161\n162\n163\n164\n165\n166\n167\n168\n169\n170\n171\n172\n173\n174\n175\n176\n177\n178\n179\n180\n181\n182\n183\n184\n185\n186\n187\n188\n189\n190\n191\n192\n193\n194\n195\n196\n197\n198\n199\n200\n201\n202\n203\n204\n205\n206\n207\n208\n209\n210\n211\n212\n213\n214\n215\n216\n217\n218\n219\n220\n221\n222\n223\n224\n225\n226\n227\n228\n229\n230\n231\n232\n233\n234\n235\n236\n237\n238\n239\n240\n241\n242\n243\n244\n245\n246\n247\n248\n249\n250\n251\n252\n253\n254\n255\n256\n257\n258\n259\n260\n261\n262\n263\n264\n265\n266\n267\n268\n269\n270\n271\n272\n273\n274\n275\n276\n277\n278\n279\n280\n281\n282\n283\n284\n285\n286\n287\n288\n289\n290\n291\n292\n293\n294\n295\n296\n297\n298\n299\n300\n301\n302\n303\n304\n305\n306\n307\n308\n309\n310\n311\n312\n313\n314\n315\n316\n317\n318\n319\n320\n321\n322\n323\n324\n325\n326\n327\n328\n329\n330\n331\n332\n333\n334\n335\n336\n337\n338\n339\n340\n341\n342\n343\n344\n345\n346\n347\n348\n349\n350\n351\n352\n353\n354\n355\n356\n357\n358\n359\n360\n361\n362\n363\n364\n365\n366\n367\n368\n369\n370\n371\n372\n373\n374\n375\n376\n377\n378\n379\n380\n381\n382\n383\n384\n385\n386\n387\n388\n389\n390\n391\n392\n393\n394\n395\n396\n397\n398\n399\n400\n401\n402\n403\n404\n405\n406\n407\n408\n409\n410\n411\n412\n413\n414\n415\n416\n417\n418\n419\n420\n421\n422\n423\n424\n425\n426\n427\n428\n429\n430\n431\n432\n433\n434\n435\n436\n437\n438\n439\n440\n441\n442\n443\n444\n445\n446\n447\n448\n449\n450\n451\n452\n453\n454\n455\n456\n457\n458\n459\n460\n461\n462\n463\n464\n465\n466\n467\n468\n469\n470\n471\n472\n473\n474\n475\n476\n477\n478\n479\n480\n481\n482\n483\n484\n485\n486\n487\n488\n489\n490\n491\n492\n493\n494\n495\n496\n497\n498\n499\n500\n501"; 31 32 String dosText = "0\r\n1\r\n2"; 33 34 LineNumberInputStream lnis; 35 36 LineNumberInputStream lnis2; 37 38 /** 39 * java.io.LineNumberInputStream#LineNumberInputStream(java.io.InputStream) 40 */ 41 public void test_ConstructorLjava_io_InputStream() { 42 // Used in other tests 43 } 44 45 /** 46 * java.io.LineNumberInputStream#available() 47 */ 48 public void test_available() throws IOException { 49 assertTrue("Returned incorrect number of available bytes", lnis 50 .available() == text.length() / 2); 51 } 52 53 /** 54 * java.io.LineNumberInputStream#getLineNumber() 55 */ 56 public void test_getLineNumber() throws IOException { 57 assertEquals("New stream returned line number other than zero", 0, lnis 58 .getLineNumber()); 59 60 lnis.read(); 61 lnis.read(); 62 63 assertEquals("stream returned incorrect line number after read", 1, 64 lnis.getLineNumber()); 65 66 lnis.setLineNumber(89); 67 assertEquals("stream returned incorrect line number after set", 89, 68 lnis.getLineNumber()); 69 } 70 71 /** 72 * java.io.LineNumberInputStream#mark(int) 73 */ 74 public void test_markI() throws IOException { 75 lnis.mark(40); 76 lnis.skip(4); 77 lnis.reset(); 78 assertEquals("Failed to mark", 0, lnis.getLineNumber()); 79 assertEquals("Failed to mark", '0', lnis.read()); 80 } 81 82 /** 83 * java.io.LineNumberInputStream#read() 84 */ 85 public void test_read() throws IOException { 86 assertEquals("Failed to read correct byte", '0', lnis.read()); 87 assertEquals("Failed to read correct byte on dos text", '0', lnis2 88 .read()); 89 assertTrue("Failed to read correct byte on dos text", 90 lnis2.read() == '\n'); 91 assertEquals("Failed to read correct byte on dos text", '1', lnis2 92 .read()); 93 assertTrue("Failed to read correct byte on dos text", 94 lnis2.read() == '\n'); 95 assertEquals("Failed to read correct byte on dos text", '2', lnis2 96 .read()); 97 } 98 99 /** 100 * java.io.LineNumberInputStream#read(byte[], int, int) 101 */ 102 public void test_read$BII() throws IOException, UnsupportedEncodingException { 103 byte[] buf = new byte[100]; 104 lnis.read(buf, 0, 100); 105 assertTrue("Failed to read correct bytes on normal text", new String( 106 buf, 0, 100, "UTF-8").equals(text.substring(0, 100))); 107 } 108 109 /** 110 * java.io.LineNumberInputStream#reset() 111 */ 112 public void test_reset() throws IOException { 113 lnis.mark(40); 114 lnis.skip(4); 115 lnis.reset(); 116 assertEquals("Failed to reset", 0, lnis.getLineNumber()); 117 assertEquals("Failed to reset", '0', lnis.read()); 118 lnis.reset(); 119 120 // see comment for setup 121 try { 122 lnis.mark(5); 123 lnis.skip(100); 124 lnis.reset(); 125 fail("Failed to invalidate mark"); 126 } catch (IOException e) { 127 // Correct mark has been invalidated 128 // Expected 129 } 130 } 131 132 /** 133 * java.io.LineNumberInputStream#setLineNumber(int) 134 */ 135 public void test_setLineNumberI() { 136 lnis.setLineNumber(89); 137 assertEquals("Failed to set line number", 89, lnis.getLineNumber()); 138 } 139 140 /** 141 * java.io.LineNumberInputStream#skip(long) 142 */ 143 public void test_skipJ() throws IOException { 144 lnis.skip(4); 145 assertEquals("Skip failed to increment lineNumber", 2, lnis 146 .getLineNumber()); 147 } 148 149 /** 150 * Sets up the fixture, for example, open a network connection. This method 151 * is called before a test is executed. 152 */ 153 protected void setUp() throws UnsupportedEncodingException { 154 /* 155 * In order for IOException to be thrown in reset(),the inputStream to 156 * the constructor cannot be a byteArrayInputstream because the reset() 157 * in byteArrayInputStream does not throw IOException. When 158 * BufferedInputStream is used, the size of the buffer must be smaller 159 * than the readlimit in mark inorder for IOException to be thrown 160 */ 161 BufferedInputStream buftemp = new BufferedInputStream( 162 new ByteArrayInputStream(text.getBytes("UTF-8")), 4); 163 lnis = new LineNumberInputStream(buftemp); 164 lnis2 = new LineNumberInputStream(new ByteArrayInputStream(dosText 165 .getBytes("UTF-8"))); 166 } 167 } 168
