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 */
17package libcore.java.io;
18
19import java.io.BufferedInputStream;
20import java.io.ByteArrayInputStream;
21import java.io.IOException;
22import java.io.LineNumberInputStream;
23import junit.framework.TestCase;
24
25public class OldLineNumberInputStreamTest extends TestCase {
26
27    final 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";
28
29    String dosText = "0\r\n1\r\n2";
30
31    LineNumberInputStream lnis;
32
33    LineNumberInputStream lnis2;
34
35    public void test_available() throws IOException {
36        assertEquals("Test 1: Returned incorrect number of available bytes;",
37                text.length() / 2, lnis.available());
38
39        lnis.close();
40        try {
41            lnis.available();
42            fail("Test 2: IOException expected.");
43        } catch (IOException e) {
44            // Expected.
45        }
46    }
47
48    public void test_read() throws IOException {
49        assertEquals("Test 1: Failed to read correct byte;",
50                '0', lnis.read());
51        assertEquals("Test 2: Failed to read correct byte on dos text;",
52                '0', lnis2.read());
53        assertEquals("Test 3: Failed to read correct byte on dos text;",
54                '\n', lnis2.read());
55        assertEquals("Test 4: Failed to read correct byte on dos text;",
56                '1', lnis2.read());
57        assertEquals("Test 5: Failed to read correct byte on dos text;",
58                '\n', lnis2.read());
59        assertEquals("Test 6: Failed to read correct byte on dos text;",
60                '2', lnis2.read());
61
62        lnis.close();
63        try {
64            lnis.read();
65            fail("Test 7: IOException expected.");
66        } catch (IOException e) {
67            // Expected.
68        }
69    }
70
71    public void test_read$BII() throws IOException {
72        byte[] buf = new byte[100];
73        lnis.read(buf, 0, 100);
74        assertTrue("Test 1: Incorrect bytes read.",
75                new String(buf, 0, 100).equals(text.substring(0, 100)));
76
77        lnis.close();
78        try {
79            lnis.read(buf, 0, 100);
80            fail("Test 2: IOException expected.");
81        } catch (IOException e) {
82            // Expected.
83        }
84    }
85
86    public void test_read$BII_Exception() throws IOException {
87        byte[] buf = new byte[10];
88
89        try {
90            lnis.read(buf, -1, 1);
91            fail("IndexOutOfBoundsException expected.");
92        } catch (IndexOutOfBoundsException e) {
93            // Expected.
94        }
95
96        try {
97            lnis.read(buf, 0, -1);
98            fail("IndexOutOfBoundsException expected.");
99        } catch (IndexOutOfBoundsException e) {
100            // Expected.
101        }
102
103        try {
104            lnis.read(buf, 10, 1);
105            fail("IndexOutOfBoundsException expected.");
106        } catch (IndexOutOfBoundsException e) {
107            // Expected.
108        }
109    }
110
111    public void test_reset() throws IOException {
112        lnis.mark(40);
113        lnis.skip(4);
114        lnis.reset();
115        assertEquals("Test 1: Failed to reset", 0, lnis.getLineNumber());
116        assertEquals("Test 2: Failed to reset", '0', lnis.read());
117        lnis.reset();
118
119        try {
120            lnis.mark(5);
121            lnis.skip(100);
122            lnis.reset();
123            fail("Test 3: Failed to invalidate mark.");
124        } catch (IOException e) {
125            // Correct; mark has been invalidated.
126        }
127
128        lnis.mark(5);
129        lnis.close();
130        try {
131            lnis.reset();
132            fail("Test 4: IOException expected.");
133        } catch (IOException e) {
134            // Expected.
135        }
136    }
137
138    public void test_setLineNumberI() {
139        lnis.setLineNumber(42);
140        assertEquals("Test 1: Failed to set line number;",
141                42, lnis.getLineNumber());
142        // Repeat the test with a different number to make sure that the
143        // line number is really set.
144        lnis.setLineNumber(89);
145        assertEquals("Test 2: Failed to set line number;",
146                89, lnis.getLineNumber());
147    }
148
149    public void test_skipJ() throws IOException {
150        long skipped = lnis.skip(4);
151        assertEquals("Test 1: Incorrect number of characters skipped;",
152                4, skipped);
153        assertEquals("Test 2: Skip failed to increment line number;",
154                2, lnis.getLineNumber());
155
156        lnis.close();
157        try {
158            lnis.skip(4);
159            fail("Test 3: IOException expected.");
160        } catch (IOException e) {
161            // Expected.
162        }
163    }
164
165    protected void setUp() {
166        /*
167         * In order for IOException to be thrown in reset(),the inputStream to
168         * the constructor cannot be a byteArrayInputstream because the reset()
169         * in byteArrayInputStream does not throw IOException. When
170         * BufferedInputStream is used, the size of the buffer must be smaller
171         * than the readlimit in mark inorder for IOException to be thrown
172         */
173        BufferedInputStream buftemp = new BufferedInputStream(
174                new ByteArrayInputStream(text.getBytes()), 4);
175        lnis = new LineNumberInputStream(buftemp);
176        lnis2 = new LineNumberInputStream(new ByteArrayInputStream(dosText
177                .getBytes()));
178    }
179}
180