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 libcore.java.io;
19
20import java.io.BufferedOutputStream;
21import java.io.ByteArrayOutputStream;
22import java.io.IOException;
23import java.io.OutputStream;
24import tests.support.Support_OutputStream;
25
26public class OldBufferedOutputStreamTest extends junit.framework.TestCase {
27
28    private java.io.OutputStream os;
29
30    java.io.ByteArrayOutputStream baos;
31
32    java.io.ByteArrayInputStream bais;
33
34    Support_OutputStream sos;
35
36    public String fileString = "Test_All_Tests\nTest_java_io_BufferedInputStream\nTest_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_java_io_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";
37
38    public void test_ConstructorLjava_io_OutputStream() {
39        try {
40            baos = new java.io.ByteArrayOutputStream();
41            os = new java.io.BufferedOutputStream(baos);
42            os.write(fileString.getBytes(), 0, 500);
43        } catch (java.io.IOException e) {
44            fail("Constructor test failed");
45        }
46
47    }
48
49    public void test_ConstructorLjava_io_OutputStreamI() {
50        baos = new java.io.ByteArrayOutputStream();
51
52        try {
53            os = new java.io.BufferedOutputStream(baos, -1);
54            fail("Test 1: IllegalArgumentException expected.");
55        } catch (IllegalArgumentException e) {
56            // Expected.
57        }
58        try {
59            os = new java.io.BufferedOutputStream(baos, 1024);
60            os.write(fileString.getBytes(), 0, 500);
61        } catch (java.io.IOException e) {
62            fail("Test 2: Unexpected IOException.");
63        }
64    }
65
66    public void test_flush() throws IOException {
67        baos = new ByteArrayOutputStream();
68        os = new java.io.BufferedOutputStream(baos, 600);
69        os.write(fileString.getBytes(), 0, 500);
70        os.flush();
71        assertEquals("Test 1: Bytes not written after flush;",
72                500, ((ByteArrayOutputStream) baos).size());
73        os.close();
74
75        sos = new Support_OutputStream(true);
76        os = new BufferedOutputStream(sos, 10);
77        try {
78            os.flush();
79            fail("Test 2: IOException expected.");
80        } catch (IOException e) {
81            // Expected.
82        }
83        // To avoid exception during tearDown().
84        sos.setThrowsException(false);
85    }
86
87    public void test_write$BII() throws IOException {
88        os = new java.io.BufferedOutputStream(
89                baos = new java.io.ByteArrayOutputStream(),512);
90        os.write(fileString.getBytes(), 0, 500);
91        bais = new java.io.ByteArrayInputStream(baos.toByteArray());
92        assertEquals("Test 1: Bytes written, not buffered;",
93                0, bais.available());
94        os.flush();
95        bais = new java.io.ByteArrayInputStream(baos.toByteArray());
96        assertEquals("Test 2: Bytes not written after flush;",
97                500, bais.available());
98        os.write(fileString.getBytes(), 500, 513);
99        bais = new java.io.ByteArrayInputStream(baos.toByteArray());
100        assertTrue("Test 3: Bytes not written when buffer full.",
101                bais.available() >= 1000);
102        byte[] wbytes = new byte[1013];
103        bais.read(wbytes, 0, 1013);
104        assertTrue("Test 4: Incorrect bytes written or read.",
105                fileString.substring(0, 1013).equals(
106                        new String(wbytes, 0, wbytes.length)));
107        os.close();
108
109        sos = new Support_OutputStream(true);
110        os = new BufferedOutputStream(sos, 10);
111        try {
112            os.write(fileString.getBytes(), 0, 500);
113            fail("Test 5: IOException expected.");
114        } catch (IOException e) {
115            // Expected.
116        }
117        // To avoid exception during tearDown().
118        sos.setThrowsException(false);
119    }
120
121    public void test_write$BII_Exception() throws IOException {
122        OutputStream bos = new BufferedOutputStream(new ByteArrayOutputStream());
123        byte[] nullByteArray = null;
124        byte[] byteArray = new byte[10];
125
126        try {
127            bos.write(nullByteArray, 0, 1);
128            fail("Test 1: NullPointerException expected.");
129        } catch (NullPointerException e) {
130            // Expected.
131        }
132
133        try {
134            bos.write(byteArray, -1, 1);
135            fail("Test 2: IndexOutOfBoundsException expected.");
136        } catch (IndexOutOfBoundsException e) {
137            // Expected
138        }
139
140        try {
141            bos.write(byteArray, 0, -1);
142            fail("Test 3: IndexOutOfBoundsException expected.");
143        } catch (IndexOutOfBoundsException e) {
144            // Expected
145        }
146
147        try {
148            bos.write(byteArray, 1, 10);
149            fail("Test 4: IndexOutOfBoundsException expected.");
150        } catch (IndexOutOfBoundsException e) {
151            // Expected
152        }
153    }
154
155    public void test_writeI() throws IOException {
156        baos = new java.io.ByteArrayOutputStream();
157        os = new java.io.BufferedOutputStream(baos);
158        os.write('t');
159        bais = new java.io.ByteArrayInputStream(baos.toByteArray());
160        assertEquals("Test 1: Byte written, not buffered;",
161                0, bais.available());
162        os.flush();
163        bais = new java.io.ByteArrayInputStream(baos.toByteArray());
164        assertEquals("Test 2: Byte not written after flush;",
165                1, bais.available());
166        byte[] wbytes = new byte[1];
167        bais.read(wbytes, 0, 1);
168        assertEquals("Test 3: Incorrect byte written or read;",
169                't', wbytes[0]);
170        os.close();
171
172        sos = new Support_OutputStream(true);
173        os = new BufferedOutputStream(sos, 1);
174        os.write('t');
175        try {
176            // Exception is only thrown when the buffer is flushed.
177            os.write('e');
178            fail("Test 4: IOException expected.");
179        } catch (IOException e) {
180            // Expected.
181        }
182        // To avoid exception during tearDown().
183        sos.setThrowsException(false);
184    }
185
186    protected void tearDown() {
187        try {
188            if (bais != null)
189                bais.close();
190            if (os != null)
191                os.close();
192            if (baos != null)
193                baos.close();
194        } catch (Exception e) {
195            System.out.println("Exception during tearDown" + e.toString());
196        }
197    }
198}
199