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.tests.java.io; 19 20 import java.io.IOException; 21 import java.io.StringWriter; 22 23 public class StringWriterTest extends junit.framework.TestCase { 24 25 StringWriter sw; 26 27 /** 28 * java.io.StringWriter#StringWriter() 29 */ 30 public void test_Constructor() { 31 // Test for method java.io.StringWriter() 32 assertTrue("Used in tests", true); 33 } 34 35 /** 36 * java.io.StringWriter#close() 37 */ 38 public void test_close() { 39 // Test for method void java.io.StringWriter.close() 40 try { 41 sw.close(); 42 } catch (IOException e) { 43 fail("IOException closing StringWriter : " + e.getMessage()); 44 } 45 } 46 47 /** 48 * java.io.StringWriter#flush() 49 */ 50 public void test_flush() { 51 // Test for method void java.io.StringWriter.flush() 52 sw.flush(); 53 sw.write('c'); 54 assertEquals("Failed to flush char", "c", sw.toString()); 55 } 56 57 /** 58 * java.io.StringWriter#getBuffer() 59 */ 60 public void test_getBuffer() { 61 // Test for method java.lang.StringBuffer 62 // java.io.StringWriter.getBuffer() 63 64 sw.write("This is a test string"); 65 StringBuffer sb = sw.getBuffer(); 66 assertEquals("Incorrect buffer returned", 67 "This is a test string", sb.toString()); 68 } 69 70 /** 71 * java.io.StringWriter#toString() 72 */ 73 public void test_toString() { 74 // Test for method java.lang.String java.io.StringWriter.toString() 75 sw.write("This is a test string"); 76 assertEquals("Incorrect string returned", 77 "This is a test string", sw.toString()); 78 } 79 80 /** 81 * java.io.StringWriter#write(char[], int, int) 82 */ 83 public void test_write$CII() { 84 // Test for method void java.io.StringWriter.write(char [], int, int) 85 char[] c = new char[1000]; 86 "This is a test string".getChars(0, 21, c, 0); 87 sw.write(c, 0, 21); 88 assertEquals("Chars not written properly", 89 "This is a test string", sw.toString()); 90 } 91 92 /** 93 * java.io.StringWriter#write(char[], int, int) 94 * Regression for HARMONY-387 95 */ 96 public void test_write$CII_2() { 97 StringWriter obj = null; 98 try { 99 obj = new StringWriter(); 100 obj.write(new char[0], (int) 0, (int) -1); 101 fail(); 102 } catch (IndexOutOfBoundsException expected) { 103 } 104 } 105 106 /** 107 * java.io.StringWriter#write(char[], int, int) 108 */ 109 public void test_write$CII_3() { 110 StringWriter obj = null; 111 try { 112 obj = new StringWriter(); 113 obj.write(new char[0], (int) -1, (int) 0); 114 fail(); 115 } catch (IndexOutOfBoundsException expected) { 116 } 117 } 118 119 /** 120 * java.io.StringWriter#write(char[], int, int) 121 */ 122 public void test_write$CII_4() { 123 StringWriter obj = null; 124 try { 125 obj = new StringWriter(); 126 obj.write(new char[0], (int) -1, (int) -1); 127 fail(); 128 } catch (IndexOutOfBoundsException expected) { 129 } 130 } 131 132 /** 133 * java.io.StringWriter#write(int) 134 */ 135 public void test_writeI() { 136 // Test for method void java.io.StringWriter.write(int) 137 sw.write('c'); 138 assertEquals("Char not written properly", "c", sw.toString()); 139 } 140 141 /** 142 * java.io.StringWriter#write(java.lang.String) 143 */ 144 public void test_writeLjava_lang_String() { 145 // Test for method void java.io.StringWriter.write(java.lang.String) 146 sw.write("This is a test string"); 147 assertEquals("String not written properly", 148 "This is a test string", sw.toString()); 149 } 150 151 /** 152 * java.io.StringWriter#write(java.lang.String, int, int) 153 */ 154 public void test_writeLjava_lang_StringII() { 155 // Test for method void java.io.StringWriter.write(java.lang.String, 156 // int, int) 157 sw.write("This is a test string", 2, 2); 158 assertEquals("String not written properly", "is", sw.toString()); 159 } 160 161 /** 162 * java.io.StringWriter#append(char) 163 */ 164 public void test_appendChar() throws IOException { 165 char testChar = ' '; 166 StringWriter stringWriter = new StringWriter(20); 167 stringWriter.append(testChar); 168 assertEquals(String.valueOf(testChar), stringWriter.toString()); 169 stringWriter.close(); 170 } 171 172 /** 173 * java.io.PrintWriter#append(CharSequence) 174 */ 175 public void test_appendCharSequence() throws IOException { 176 177 String testString = "My Test String"; 178 StringWriter stringWriter = new StringWriter(20); 179 stringWriter.append(testString); 180 assertEquals(String.valueOf(testString), stringWriter.toString()); 181 stringWriter.close(); 182 } 183 184 /** 185 * java.io.PrintWriter#append(CharSequence, int, int) 186 */ 187 public void test_appendCharSequenceIntInt() throws IOException { 188 String testString = "My Test String"; 189 StringWriter stringWriter = new StringWriter(20); 190 stringWriter.append(testString, 1, 3); 191 assertEquals(testString.substring(1, 3), stringWriter.toString()); 192 stringWriter.close(); 193 194 } 195 196 /** 197 * Sets up the fixture, for example, open a network connection. This method 198 * is called before a test is executed. 199 */ 200 protected void setUp() { 201 202 sw = new StringWriter(); 203 } 204 205 /** 206 * Tears down the fixture, for example, close a network connection. This 207 * method is called after a test is executed. 208 */ 209 protected void tearDown() { 210 } 211 } 212
