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.TestTargetClass;
21import dalvik.annotation.TestTargets;
22import dalvik.annotation.TestTargetNew;
23import dalvik.annotation.TestLevel;
24
25import java.io.IOException;
26import java.io.StringWriter;
27
28@TestTargetClass(StringWriter.class)
29public class StringWriterTest extends junit.framework.TestCase {
30
31    StringWriter sw;
32
33    /**
34     * @tests java.io.StringWriter#StringWriter()
35     */
36    @TestTargets({
37        @TestTargetNew(
38            level = TestLevel.COMPLETE,
39            notes = "",
40            method = "StringWriter",
41            args = {}
42        ),
43        @TestTargetNew(
44            level = TestLevel.COMPLETE,
45            notes = "",
46            method = "StringWriter",
47            args = {int.class}
48        )
49    })
50    public void test_Constructor() {
51        new StringWriter();
52        new StringWriter(10);
53        new StringWriter(10000);
54    }
55
56    /**
57     * @tests java.io.StringWriter#close()
58     */
59    @TestTargetNew(
60        level = TestLevel.COMPLETE,
61        notes = "There won't be IOException, ever!",
62        method = "close",
63        args = {}
64    )
65    public void test_close() {
66        // Test for method void java.io.StringWriter.close()
67        try {
68            sw.close();
69        } catch (IOException e) {
70            fail("IOException closing StringWriter : " + e.getMessage());
71        }
72    }
73
74    /**
75     * @tests java.io.StringWriter#flush()
76     */
77    @TestTargetNew(
78        level = TestLevel.COMPLETE,
79        notes = "",
80        method = "flush",
81        args = {}
82    )
83    public void test_flush() {
84        // Test for method void java.io.StringWriter.flush()
85        sw.flush();
86        sw.write('c');
87        assertEquals("Failed to flush char", "c", sw.toString());
88    }
89
90    /**
91     * @tests java.io.StringWriter#getBuffer()
92     */
93    @TestTargetNew(
94        level = TestLevel.COMPLETE,
95        notes = "",
96        method = "getBuffer",
97        args = {}
98    )
99    public void test_getBuffer() {
100        // Test for method java.lang.StringBuffer
101        // java.io.StringWriter.getBuffer()
102
103        sw.write("This is a test string");
104        StringBuffer sb = sw.getBuffer();
105        assertEquals("Incorrect buffer returned",
106                "This is a test string", sb.toString());
107    }
108
109    /**
110     * @tests java.io.StringWriter#toString()
111     */
112    @TestTargetNew(
113        level = TestLevel.COMPLETE,
114        notes = "",
115        method = "toString",
116        args = {}
117    )
118    public void test_toString() {
119        // Test for method java.lang.String java.io.StringWriter.toString()
120        sw.write("This is a test string");
121        assertEquals("Incorrect string returned",
122                "This is a test string", sw.toString());
123    }
124
125    /**
126     * @tests java.io.StringWriter#write(char[], int, int)
127     */
128    @TestTargetNew(
129        level = TestLevel.PARTIAL_COMPLETE,
130        notes = "",
131        method = "write",
132        args = {char[].class, int.class, int.class}
133    )
134    public void test_write$CII() {
135        // Test for method void java.io.StringWriter.write(char [], int, int)
136        char[] c = new char[1000];
137        "This is a test string".getChars(0, 21, c, 0);
138        sw.write(c, 4, 14);
139        assertEquals("Chars not written properly",
140                " is a test str", sw.toString());
141    }
142
143    /**
144     * @tests java.io.StringWriter#write(char[], int, int)
145     * Regression for HARMONY-387
146     */
147    @TestTargetNew(
148        level = TestLevel.PARTIAL_COMPLETE,
149        notes = "",
150        method = "write",
151        args = {char[].class, int.class, int.class}
152    )
153    public void test_write$CII_Exception() {
154        StringWriter obj = new StringWriter();
155        try {
156            obj.write(new char[10], 0, -1);
157            fail("IndexOutOfBoundsException expected");
158        } catch (IndexOutOfBoundsException e) {
159            // Expected
160        }
161
162        try {
163            obj.write(new char[10], -1, 1);
164            fail("IndexOutOfBoundsException expected");
165        } catch (IndexOutOfBoundsException e) {
166            // Expected
167        }
168
169        try {
170            obj.write(new char[10], 2, 9);
171            fail("IndexOutOfBoundsException expected");
172        } catch (IndexOutOfBoundsException e) {
173            // Expected
174        }
175    }
176
177    /**
178     * @tests java.io.StringWriter#write(int)
179     */
180    @TestTargetNew(
181        level = TestLevel.COMPLETE,
182        notes = "",
183        method = "write",
184        args = {int.class}
185    )
186    public void test_writeI() {
187        // Test for method void java.io.StringWriter.write(int)
188        sw.write('c');
189        assertEquals("Char not written properly", "c", sw.toString());
190    }
191
192    /**
193     * @tests java.io.StringWriter#write(java.lang.String)
194     */
195    @TestTargetNew(
196        level = TestLevel.COMPLETE,
197        notes = "",
198        method = "write",
199        args = {java.lang.String.class}
200    )
201    public void test_writeLjava_lang_String() {
202        // Test for method void java.io.StringWriter.write(java.lang.String)
203        sw.write("This is a test string");
204        assertEquals("String not written properly",
205                "This is a test string", sw.toString());
206    }
207
208    /**
209     * @tests java.io.StringWriter#write(java.lang.String, int, int)
210     */
211    @TestTargetNew(
212        level = TestLevel.COMPLETE,
213        notes = "",
214        method = "write",
215        args = {java.lang.String.class, int.class, int.class}
216    )
217    public void test_writeLjava_lang_StringII() {
218        // Test for method void java.io.StringWriter.write(java.lang.String,
219        // int, int)
220        sw.write("This is a test string", 2, 2);
221        assertEquals("String not written properly", "is", sw.toString());
222    }
223
224    /**
225     * @tests java.io.StringWriter#append(char)
226     */
227    @TestTargetNew(
228        level = TestLevel.COMPLETE,
229        notes = "",
230        method = "append",
231        args = {char.class}
232    )
233    public void test_appendChar() throws IOException {
234        char testChar = ' ';
235        StringWriter stringWriter = new StringWriter(20);
236        stringWriter.append(testChar);
237        assertEquals(String.valueOf(testChar), stringWriter.toString());
238        stringWriter.close();
239    }
240
241    /**
242     * @tests java.io.PrintWriter#append(CharSequence)
243     */
244    @TestTargetNew(
245        level = TestLevel.COMPLETE,
246        notes = "",
247        method = "append",
248        args = {java.lang.CharSequence.class}
249    )
250    public void test_appendCharSequence() throws IOException {
251
252        String testString = "My Test String";
253        StringWriter stringWriter = new StringWriter(20);
254        stringWriter.append(testString);
255        assertEquals(String.valueOf(testString), stringWriter.toString());
256        stringWriter.close();
257    }
258
259    /**
260     * @tests java.io.PrintWriter#append(CharSequence, int, int)
261     */
262    @TestTargetNew(
263        level = TestLevel.COMPLETE,
264        notes = "",
265        method = "append",
266        args = {java.lang.CharSequence.class, int.class, int.class}
267    )
268    public void test_appendCharSequenceIntInt() throws IOException {
269        String testString = "My Test String";
270        StringWriter stringWriter = new StringWriter(20);
271        stringWriter.append(testString, 1, 3);
272        assertEquals(testString.substring(1, 3), stringWriter.toString());
273        stringWriter.close();
274
275        try {
276            StringWriter tobj = new StringWriter(9);
277            tobj.append("01234567890123456789", 19, 2);
278            fail("IndexOutOfBoundsException not thrown!");
279        } catch (IndexOutOfBoundsException e) {
280            // expected
281        }
282        try {
283            StringWriter tobj = new StringWriter(9);
284            tobj.append("01234567890123456789", 29, 2);
285            fail("IndexOutOfBoundsException not thrown!");
286        } catch (IndexOutOfBoundsException e) {
287            // expected
288        }
289    }
290
291    /**
292     * Sets up the fixture, for example, open a network connection. This method
293     * is called before a test is executed.
294     */
295    protected void setUp() {
296
297        sw = new StringWriter();
298    }
299
300    /**
301     * Tears down the fixture, for example, close a network connection. This
302     * method is called after a test is executed.
303     */
304    protected void tearDown() {
305    }
306}
307