LineNumberReaderTest.java revision 89c1feb0a69a7707b271086e749975b3f7acacf7
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 tests.api.java.io; 19 20import dalvik.annotation.TestInfo; 21import dalvik.annotation.TestLevel; 22import dalvik.annotation.TestTarget; 23import dalvik.annotation.TestTargetClass; 24 25import java.io.IOException; 26import java.io.LineNumberReader; 27import java.io.StringReader; 28 29@TestTargetClass(LineNumberReader.class) 30public class LineNumberReaderTest extends junit.framework.TestCase { 31 32 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\n"; 33 34 LineNumberReader lnr; 35 36 /** 37 * @tests java.io.LineNumberReader#LineNumberReader(java.io.Reader) 38 */ 39 @TestInfo( 40 level = TestLevel.COMPLETE, 41 purpose = "", 42 targets = { @TestTarget(methodName = "LineNumberReader", 43 methodArgs = {java.io.Reader.class}) 44 } 45 ) 46 public void test_ConstructorLjava_io_Reader() { 47 // Test for method java.io.LineNumberReader(java.io.Reader) 48 lnr = new LineNumberReader(new StringReader(text), 4092); 49 assertEquals("Failed to create reader", 0, lnr.getLineNumber()); 50 } 51 52 /** 53 * @tests java.io.LineNumberReader#LineNumberReader(java.io.Reader, int) 54 */ 55 @TestInfo( 56 level = TestLevel.COMPLETE, 57 purpose = "", 58 targets = { @TestTarget(methodName = "LineNumberReader", 59 methodArgs = {java.io.Reader.class, int.class}) 60 } 61 ) 62 public void test_ConstructorLjava_io_ReaderI() { 63 // Test for method java.io.LineNumberReader(java.io.Reader, int) 64 lnr = new LineNumberReader(new StringReader(text)); 65 assertEquals("Failed to create reader", 0, lnr.getLineNumber()); 66 } 67 68 /** 69 * @tests java.io.LineNumberReader#getLineNumber() 70 */ 71 @TestInfo( 72 level = TestLevel.COMPLETE, 73 purpose = "", 74 targets = { @TestTarget(methodName = "getLineNumber", 75 methodArgs = {}) 76 } 77 ) 78 public void test_getLineNumber() { 79 // Test for method int java.io.LineNumberReader.getLineNumber() 80 lnr = new LineNumberReader(new StringReader(text)); 81 assertEquals("Returned incorrect line number--expected 0, got ", 0, lnr 82 .getLineNumber()); 83 try { 84 lnr.readLine(); 85 lnr.readLine(); 86 } catch (IOException e) { 87 fail("Exception during getLineNumberTest: " + e.toString()); 88 } 89 assertTrue("Returned incorrect line number--expected 2, got: " 90 + lnr.getLineNumber(), lnr.getLineNumber() == 2); 91 } 92 93 /** 94 * @tests java.io.LineNumberReader#mark(int) 95 */ 96 @TestInfo( 97 level = TestLevel.PARTIAL, 98 purpose = "IOException checking missed.", 99 targets = { @TestTarget(methodName = "mark", 100 methodArgs = {int.class}) 101 } 102 ) 103 public void test_markI() { 104 // Test for method void java.io.LineNumberReader.mark(int) 105 lnr = new LineNumberReader(new StringReader(text)); 106 String line; 107 try { 108 lnr.skip(80); 109 lnr.mark(100); 110 line = lnr.readLine(); 111 lnr.reset(); 112 assertTrue("Failed to return to marked position", line.equals(lnr 113 .readLine())); 114 } catch (IOException e) { 115 fail("Exception during mark test : " + e.getMessage()); 116 } 117 118 // The spec does not say the mark has to be invalidated 119 } 120 121 /** 122 * @tests java.io.LineNumberReader#read() 123 */ 124 @TestInfo( 125 level = TestLevel.PARTIAL, 126 purpose = "IOException checking missed.", 127 targets = { @TestTarget(methodName = "read", 128 methodArgs = {}) 129 } 130 ) 131 public void test_read() { 132 // Test for method int java.io.LineNumberReader.read() 133 lnr = new LineNumberReader(new StringReader(text)); 134 135 try { 136 int c = lnr.read(); 137 assertEquals("Read returned incorrect character", '0', c); 138 } catch (IOException e) { 139 fail("Exception during read test : " + e.getMessage()); 140 } 141 try { 142 lnr.read(); 143 assertEquals("Read failed to inc lineNumber", 144 1, lnr.getLineNumber()); 145 } catch (IOException e) { 146 fail("Exception during read test:" + e.getMessage()); 147 } 148 149 } 150 151 /** 152 * @tests java.io.LineNumberReader#read(char[], int, int) 153 */ 154 @TestInfo( 155 level = TestLevel.PARTIAL, 156 purpose = "IOException checking missed.", 157 targets = { @TestTarget(methodName = "read", 158 methodArgs = {char[].class, int.class, int.class}) 159 } 160 ) 161 public void test_read$CII() { 162 // Test for method int java.io.LineNumberReader.read(char [], int, int) 163 lnr = new LineNumberReader(new StringReader(text)); 164 char[] c = new char[100]; 165 try { 166 lnr.read(c, 0, 4); 167 assertTrue("Read returned incorrect characters", "0\n1\n" 168 .equals(new String(c, 0, 4))); 169 } catch (IOException e) { 170 fail("Exception during read test : " + e.getMessage()); 171 } 172 assertEquals("Read failed to inc lineNumber", 2, lnr.getLineNumber()); 173 } 174 175 /** 176 * @tests java.io.LineNumberReader#readLine() 177 */ 178 @TestInfo( 179 level = TestLevel.PARTIAL, 180 purpose = "IOException checking missed.", 181 targets = { @TestTarget(methodName = "readLine", 182 methodArgs = {}) 183 } 184 ) 185 public void test_readLine() { 186 // Test for method java.lang.String java.io.LineNumberReader.readLine() 187 lnr = new LineNumberReader(new StringReader(text)); 188 assertEquals("Returned incorrect line number", 0, lnr.getLineNumber()); 189 String line = null; 190 try { 191 lnr.readLine(); 192 line = lnr.readLine(); 193 } catch (IOException e) { 194 fail("Exception during getLineNumberTest: " + e.toString()); 195 } 196 assertEquals("Returned incorrect string", "1", line); 197 assertTrue("Returned incorrect line number :" + lnr.getLineNumber(), 198 lnr.getLineNumber() == 2); 199 } 200 201 /** 202 * @tests java.io.LineNumberReader#reset() 203 */ 204 @TestInfo( 205 level = TestLevel.PARTIAL, 206 purpose = "IOException checking missed.", 207 targets = { @TestTarget(methodName = "reset", 208 methodArgs = {}) 209 } 210 ) 211 public void test_reset() { 212 // Test for method void java.io.LineNumberReader.reset() 213 lnr = new LineNumberReader(new StringReader(text)); 214 assertEquals("Returned incorrect line number", 0, lnr.getLineNumber()); 215 String line = null; 216 try { 217 lnr.mark(100); 218 lnr.readLine(); 219 lnr.reset(); 220 line = lnr.readLine(); 221 } catch (IOException e) { 222 fail("Exception during getLineNumberTest: " + e.toString()); 223 } 224 assertEquals("Failed to reset reader", "0", line); 225 } 226 227 /** 228 * @tests java.io.LineNumberReader#setLineNumber(int) 229 */ 230 @TestInfo( 231 level = TestLevel.COMPLETE, 232 purpose = "", 233 targets = { @TestTarget(methodName = "setLineNumber", 234 methodArgs = {int.class}) 235 } 236 ) 237 public void test_setLineNumberI() { 238 // Test for method void java.io.LineNumberReader.setLineNumber(int) 239 lnr = new LineNumberReader(new StringReader(text)); 240 lnr.setLineNumber(1001); 241 assertEquals("set incorrect line number", 1001, lnr.getLineNumber()); 242 } 243 244 /** 245 * @tests java.io.LineNumberReader#skip(long) 246 */ 247 @TestInfo( 248 level = TestLevel.PARTIAL, 249 purpose = "IllegalArgumentException & IOException checking missed.", 250 targets = { @TestTarget(methodName = "skip", 251 methodArgs = {long.class}) 252 } 253 ) 254 public void test_skipJ() { 255 // Test for method long java.io.LineNumberReader.skip(long) 256 lnr = new LineNumberReader(new StringReader(text)); 257 char[] c = new char[100]; 258 try { 259 lnr.skip(80); 260 lnr.read(c, 0, 100); 261 } catch (IOException e) { 262 fail("Exception during skip test : " + e.getMessage()); 263 } 264 assertTrue("Failed to skip to correct position", text 265 .substring(80, 180).equals(new String(c, 0, c.length))); 266 } 267 268 /** 269 * Sets up the fixture, for example, open a network connection. This method 270 * is called before a test is executed. 271 */ 272 protected void setUp() { 273 } 274 275 /** 276 * Tears down the fixture, for example, close a network connection. This 277 * method is called after a test is executed. 278 */ 279 protected void tearDown() { 280 } 281} 282