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 java.io.ByteArrayInputStream;
21import java.io.ByteArrayOutputStream;
22import java.io.FilterOutputStream;
23import java.io.IOException;
24
25import tests.support.Support_OutputStream;
26import dalvik.annotation.TestLevel;
27import dalvik.annotation.TestTargetClass;
28import dalvik.annotation.TestTargetNew;
29
30@TestTargetClass(java.io.FilterOutputStream.class)
31public class FilterOutputStreamTest extends junit.framework.TestCase {
32
33    private java.io.FilterOutputStream os;
34
35    java.io.ByteArrayOutputStream bos;
36
37    java.io.ByteArrayInputStream bis;
38
39    byte[] ibuf = new byte[4096];
40
41    private final String fileString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_FileOutputStream\nTest_java_io_FilterInputStream\nTest_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n";
42
43    private final int testLength = fileString.length();
44
45
46    /**
47     * @tests java.io.FilterOutputStream#FilterOutputStream(java.io.OutputStream)
48     */
49    @TestTargetNew(
50        level = TestLevel.COMPLETE,
51        notes = "Verifies FilterOutputStream(java.io.OutputStream) constructor.",
52        method = "FilterOutputStream",
53        args = {java.io.OutputStream.class}
54    )
55    public void test_ConstructorLjava_io_OutputStream() {
56        // Test for method java.io.FilterOutputStream(java.io.OutputStream)
57        try {
58            bos = new ByteArrayOutputStream();
59            os = new FilterOutputStream(bos);
60            os.write('t');
61        } catch (java.io.IOException e) {
62            fail("Constructor test failed : " + e.getMessage());
63        }
64    }
65
66    /**
67     * @tests java.io.FilterOutputStream#close()
68     */
69    @TestTargetNew(
70        level = TestLevel.COMPLETE,
71        method = "close",
72        args = {}
73    )
74    public void test_close() throws IOException {
75        Support_OutputStream sos = new Support_OutputStream();
76        os = new FilterOutputStream(sos);
77        os.close();
78
79        try {
80            os.write(42);
81        } catch (java.io.IOException e) {
82            fail("Test 1: Unexpected IOException.");
83        }
84
85        sos.setThrowsException(true);
86        try {
87            os.write(42);
88            fail("Test 2: IOException expected.");
89        } catch (java.io.IOException e) {
90            // Expected.
91        }
92
93        os = new FilterOutputStream(sos);
94        try {
95            os.close();
96            fail("Test 3: IOException expected.");
97        } catch (IOException e) {
98            // Expected.
99        }
100    }
101
102    /**
103     * @tests java.io.FilterOutputStream#flush()
104     */
105    @TestTargetNew(
106        level = TestLevel.COMPLETE,
107        method = "flush",
108        args = {}
109    )
110    public void test_flush() throws IOException {
111        Support_OutputStream sos = new Support_OutputStream(550);
112        os = new FilterOutputStream(sos);
113        os.write(fileString.getBytes(), 0, 500);
114        os.flush();
115        assertEquals("Test 1: Bytes not written after flush;",
116                500, sos.size());
117
118        sos.setThrowsException(true);
119        try {
120            os.flush();
121            fail("Test 2: IOException expected.");
122        } catch (IOException e) {
123            // Expected.
124        }
125        sos.setThrowsException(false);
126    }
127
128    /**
129     * @tests java.io.FilterOutputStream#write(byte[])
130     */
131    @TestTargetNew(
132        level = TestLevel.COMPLETE,
133        method = "write",
134        args = {byte[].class}
135    )
136    public void test_write$B() throws IOException {
137        Support_OutputStream sos = new Support_OutputStream(testLength);
138        os = new FilterOutputStream(sos);
139        os.write(fileString.getBytes());
140
141        bis = new ByteArrayInputStream(sos.toByteArray());
142        assertTrue("Test 1: Bytes have not been written.",
143                bis.available() == testLength);
144        byte[] wbytes = new byte[testLength];
145        bis.read(wbytes, 0, testLength);
146        assertTrue("Test 2: Incorrect bytes written or read.",
147                fileString.equals(new String(wbytes)));
148
149        try {
150            // Support_OutputStream throws an IOException if the internal
151            // buffer is full, which it should be now.
152            os.write(42);
153            fail("Test 2: IOException expected.");
154        } catch (IOException e) {
155            // Expected.
156        }
157    }
158
159    /**
160     * @tests java.io.FilterOutputStream#write(byte[], int, int)
161     */
162    @TestTargetNew(
163        level = TestLevel.COMPLETE,
164        method = "write",
165        args = {byte[].class, int.class, int.class}
166    )
167    public void test_write$BII() throws IOException {
168        Support_OutputStream sos = new Support_OutputStream(testLength);
169        os = new FilterOutputStream(sos);
170        os.write(fileString.getBytes(), 10, testLength - 10);
171
172        bis = new ByteArrayInputStream(sos.toByteArray());
173        assertTrue("Test 1: Bytes have not been written.",
174                bis.available() == testLength - 10);
175        byte[] wbytes = new byte[testLength - 10];
176        bis.read(wbytes);
177        assertTrue("Test 2: Incorrect bytes written or read.",
178                fileString.substring(10).equals(new String(wbytes)));
179
180        try {
181            // Support_OutputStream throws an IOException if the internal
182            // buffer is full, which it should be eventually.
183            os.write(fileString.getBytes());
184            fail("Test 2: IOException expected.");
185        } catch (IOException e) {
186            // Expected.
187        }
188    }
189
190    /**
191     * @tests java.io.FilterOutputStream#write(byte[], int, int)
192     */
193    @TestTargetNew(
194        level = TestLevel.COMPLETE,
195        method = "write",
196        args = {byte[].class, int.class, int.class}
197    )
198    public void test_write$BII_Exception() throws IOException {
199        Support_OutputStream sos = new Support_OutputStream(testLength);
200        os = new FilterOutputStream(sos);
201        byte[] buf = new byte[10];
202
203        try {
204            os.write(buf, -1, 1);
205            fail("IndexOutOfBoundsException expected.");
206        } catch (IndexOutOfBoundsException e) {
207            // Expected.
208        }
209
210        try {
211            os.write(buf, 0, -1);
212            fail("IndexOutOfBoundsException expected.");
213        } catch (IndexOutOfBoundsException e) {
214            // Expected.
215        }
216
217        try {
218            os.write(buf, 10, 1);
219            fail("IndexOutOfBoundsException expected.");
220        } catch (IndexOutOfBoundsException e) {
221            // Expected.
222        }
223    }
224
225    /**
226     * @tests java.io.FilterOutputStream#write(int)
227     */
228    @TestTargetNew(
229        level = TestLevel.COMPLETE,
230        method = "write",
231        args = {int.class}
232    )
233    public void test_writeI() throws IOException {
234        Support_OutputStream sos = new Support_OutputStream(1);
235        os = new FilterOutputStream(sos);
236        os.write(42);
237
238        bis = new ByteArrayInputStream(sos.toByteArray());
239        assertTrue("Test 1: Byte has not been written.",
240                bis.available() == 1);
241        assertEquals("Test 2: Incorrect byte written or read;",
242                42, bis.read());
243
244        try {
245            // Support_OutputStream throws an IOException if the internal
246            // buffer is full, which it should be now.
247            os.write(42);
248            fail("Test 2: IOException expected.");
249        } catch (IOException e) {
250            // Expected.
251        }
252    }
253
254    /**
255     * Tears down the fixture, for example, close a network connection. This
256     * method is called after a test is executed.
257     */
258    protected void tearDown() {
259        try {
260            if (bos != null)
261                bos.close();
262            if (bis != null)
263                bis.close();
264            if (os != null)
265                os.close();
266        } catch (Exception e) {
267        }
268    }
269}
270