The Android Open Source Project | b5de22c | 2012-04-01 00:00:00 -0700 | [diff] [blame] | 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 libcore.java.io; |
| 19 | |
| 20 | import java.io.CharArrayReader; |
| 21 | import java.io.IOException; |
| 22 | |
| 23 | public class OldCharArrayReaderTest extends junit.framework.TestCase { |
| 24 | |
| 25 | char[] hw = { 'H', 'e', 'l', 'l', 'o', 'W', 'o', 'r', 'l', 'd' }; |
| 26 | |
| 27 | CharArrayReader cr; |
| 28 | |
| 29 | /** |
| 30 | * java.io.CharArrayReader#CharArrayReader(char[]) |
| 31 | */ |
| 32 | public void test_Constructor$C() { |
| 33 | // Test for method java.io.CharArrayReader(char []) |
| 34 | |
| 35 | try { |
| 36 | cr = new CharArrayReader(hw); |
| 37 | assertTrue("Failed to create reader", cr.ready()); |
| 38 | } catch (IOException e) { |
| 39 | fail("Exception determining ready state : " + e.getMessage()); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * java.io.CharArrayReader#CharArrayReader(char[], int, int) |
| 45 | */ |
| 46 | public void test_Constructor$CII() throws IOException { |
| 47 | try { |
| 48 | cr = new CharArrayReader(null, 0, 0); |
| 49 | fail("Test 1: NullPointerException expected."); |
| 50 | } catch (NullPointerException e) { |
| 51 | // Expected. |
| 52 | } |
| 53 | try { |
| 54 | cr = new CharArrayReader(hw, -1, 0); |
| 55 | fail("Test 2: IllegalArgumentException expected."); |
| 56 | } catch (IllegalArgumentException e) { |
| 57 | // Expected. |
| 58 | } |
| 59 | try { |
| 60 | cr = new CharArrayReader(hw, 0, -1); |
| 61 | fail("Test 3: IllegalArgumentException expected."); |
| 62 | } catch (IllegalArgumentException e) { |
| 63 | // Expected. |
| 64 | } |
| 65 | try { |
| 66 | cr = new CharArrayReader(hw, hw.length + 1, 1); |
| 67 | fail("Test 4: IllegalArgumentException expected."); |
| 68 | } catch (IllegalArgumentException e) { |
| 69 | // Expected. |
| 70 | } |
| 71 | |
| 72 | cr = new CharArrayReader(hw, 5, 5); |
| 73 | assertTrue("Test 5: Failed to create reader", cr.ready()); |
| 74 | assertEquals("Test 6: Incorrect character read;", |
| 75 | 'W', cr.read()); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * java.io.CharArrayReader#close() |
| 80 | */ |
| 81 | public void test_close() { |
| 82 | cr = new CharArrayReader(hw); |
| 83 | cr.close(); |
| 84 | try { |
| 85 | cr.read(); |
| 86 | fail("Failed to throw exception on read from closed stream"); |
| 87 | } catch (IOException e) { |
| 88 | // Expected. |
| 89 | } |
| 90 | |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * java.io.CharArrayReader#mark(int) |
| 95 | */ |
| 96 | public void test_markI() throws IOException { |
| 97 | cr = new CharArrayReader(hw); |
| 98 | cr.skip(5L); |
| 99 | cr.mark(100); |
| 100 | cr.read(); |
| 101 | cr.reset(); |
| 102 | assertEquals("Test 1: Failed to mark correct position;", |
| 103 | 'W', cr.read()); |
| 104 | |
| 105 | cr.close(); |
| 106 | try { |
| 107 | cr.mark(100); |
| 108 | fail("Test 2: IOException expected."); |
| 109 | } catch (IOException e) { |
| 110 | // Expected. |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * java.io.CharArrayReader#markSupported() |
| 116 | */ |
| 117 | public void test_markSupported() { |
| 118 | cr = new CharArrayReader(hw); |
| 119 | assertTrue("markSupported returned false", cr.markSupported()); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * java.io.CharArrayReader#read() |
| 124 | */ |
| 125 | public void test_read() throws IOException { |
| 126 | cr = new CharArrayReader(hw); |
| 127 | assertEquals("Test 1: Read returned incorrect char;", |
| 128 | 'H', cr.read()); |
| 129 | cr = new CharArrayReader(new char[] { '\u8765' }); |
| 130 | assertTrue("Test 2: Incorrect double byte char;", |
| 131 | cr.read() == '\u8765'); |
| 132 | |
| 133 | cr.close(); |
| 134 | try { |
| 135 | cr.read(); |
| 136 | fail("Test 3: IOException expected."); |
| 137 | } catch (IOException e) { |
| 138 | // Expected. |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * java.io.CharArrayReader#read(char[], int, int) |
| 144 | */ |
| 145 | public void test_read$CII() throws IOException { |
| 146 | // Test for method int java.io.CharArrayReader.read(char [], int, int) |
| 147 | char[] c = new char[11]; |
| 148 | cr = new CharArrayReader(hw); |
| 149 | cr.read(c, 1, 10); |
| 150 | assertTrue("Test 1: Read returned incorrect chars.", |
| 151 | new String(c, 1, 10).equals(new String(hw, 0, 10))); |
| 152 | |
| 153 | // Illegal argument checks. |
| 154 | try { |
| 155 | cr.read(null, 1, 0); |
| 156 | fail("Test 2: NullPointerException expected."); |
| 157 | } catch (NullPointerException e) { |
| 158 | // Expected. |
| 159 | } |
| 160 | |
| 161 | try { |
| 162 | cr.read(c , -1, 1); |
| 163 | fail("Test 3: ArrayIndexOutOfBoundsException expected."); |
| 164 | } catch (IndexOutOfBoundsException e) { |
| 165 | // Expected |
| 166 | } |
| 167 | |
| 168 | try { |
| 169 | cr.read(c , 1, -1); |
| 170 | fail("Test 4: ArrayIndexOutOfBoundsException expected."); |
| 171 | } catch (IndexOutOfBoundsException e) { |
| 172 | // Expected |
| 173 | } |
| 174 | |
| 175 | try { |
| 176 | cr.read(c, 1, c.length); |
| 177 | fail("Test 5: ArrayIndexOutOfBoundsException expected."); |
| 178 | } catch (IndexOutOfBoundsException e) { |
| 179 | // Expected |
| 180 | } |
| 181 | |
| 182 | cr.close(); |
| 183 | try { |
| 184 | cr.read(c, 1, 1); |
| 185 | fail("Test 6: IOException expected."); |
| 186 | } catch (IOException e) { |
| 187 | // Expected. |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | public void test_ready() { |
| 192 | // Test for method boolean java.io.CharArrayReader.ready() |
| 193 | cr = new CharArrayReader(hw); |
| 194 | boolean expectException = false; |
| 195 | try { |
| 196 | assertTrue("ready returned false", cr.ready()); |
| 197 | cr.skip(1000); |
| 198 | assertTrue("ready returned true", !cr.ready()); |
| 199 | cr.close(); |
| 200 | expectException = true; |
| 201 | cr.ready(); |
| 202 | fail("No exception 1"); |
| 203 | } catch (IOException e) { |
| 204 | if (!expectException) |
| 205 | fail("Unexpected: " + e); |
| 206 | } |
| 207 | try { |
| 208 | cr = new CharArrayReader(hw); |
| 209 | cr.close(); |
| 210 | cr.ready(); |
| 211 | fail("No exception 2"); |
| 212 | } catch (IOException e) { |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * java.io.CharArrayReader#reset() |
| 218 | */ |
| 219 | public void test_reset() throws IOException { |
| 220 | cr = new CharArrayReader(hw); |
| 221 | cr.skip(5L); |
| 222 | cr.mark(100); |
| 223 | cr.read(); |
| 224 | cr.reset(); |
| 225 | assertEquals("Test 1: Reset failed to return to marker position.", |
| 226 | 'W', cr.read()); |
| 227 | |
| 228 | cr.close(); |
| 229 | try { |
| 230 | cr.reset(); |
| 231 | fail("Test 2: IOException expected."); |
| 232 | } catch (IOException e) { |
| 233 | // Expected. |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | public void test_skipJ() throws IOException { |
| 238 | long skipped = 0; |
| 239 | cr = new CharArrayReader(hw); |
| 240 | skipped = cr.skip(5L); |
| 241 | assertEquals("Test 1: Failed to skip correct number of chars;", |
| 242 | 5L, skipped); |
| 243 | assertEquals("Test 2: Skip skipped wrong chars;", |
| 244 | 'W', cr.read()); |
| 245 | |
| 246 | cr.close(); |
| 247 | try { |
| 248 | cr.skip(1); |
| 249 | fail("Test 3: IOException expected."); |
| 250 | } catch (IOException e) { |
| 251 | // Expected. |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | protected void tearDown() { |
| 256 | if (cr != null) |
| 257 | cr.close(); |
| 258 | } |
| 259 | } |