| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.harmony.luni.tests.java.io; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| public class BufferedOutputStreamTest extends junit.framework.TestCase { |
| |
| private java.io.OutputStream os; |
| |
| java.io.ByteArrayOutputStream baos; |
| |
| java.io.ByteArrayInputStream bais; |
| |
| 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"; |
| |
| /** |
| * @tests java.io.BufferedOutputStream#BufferedOutputStream(java.io.OutputStream) |
| */ |
| public void test_ConstructorLjava_io_OutputStream() throws IOException { |
| baos = new java.io.ByteArrayOutputStream(); |
| os = new java.io.BufferedOutputStream(baos); |
| os.write(fileString.getBytes(), 0, 500); |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#BufferedOutputStream(java.io.OutputStream, |
| * int) |
| */ |
| public void test_ConstructorLjava_io_OutputStreamI() throws IOException { |
| baos = new java.io.ByteArrayOutputStream(); |
| os = new java.io.BufferedOutputStream(baos, 1024); |
| os.write(fileString.getBytes(), 0, 500); |
| } |
| |
| public void test_flush_Constructor_NullStream() throws IOException { |
| BufferedOutputStream buffos = new java.io.BufferedOutputStream(null); |
| try { |
| buffos.flush(); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } |
| try { |
| buffos.close(); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } |
| |
| buffos = new java.io.BufferedOutputStream(null, 10); |
| try { |
| buffos.flush(); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } |
| try { |
| buffos.close(); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } |
| |
| try { |
| new java.io.BufferedOutputStream(null, 0); |
| fail("should throw IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // Expected |
| } |
| try { |
| new java.io.BufferedOutputStream(null, -1); |
| fail("should throw IllegalArgumentException"); |
| } catch (IllegalArgumentException e) { |
| // Expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#flush() |
| */ |
| public void test_flush() throws IOException { |
| baos = new ByteArrayOutputStream(); |
| os = new java.io.BufferedOutputStream(baos, 600); |
| os.write(fileString.getBytes(), 0, 500); |
| os.flush(); |
| assertEquals("Bytes not written after flush", 500, |
| ((ByteArrayOutputStream) baos).size()); |
| } |
| |
| private static class MockOutputStream extends OutputStream { |
| byte[] written; |
| int count; |
| |
| public MockOutputStream(int size) { |
| written = new byte[size]; |
| count = 0; |
| } |
| |
| public void write(int b) { |
| written[count++] = (byte) b; |
| } |
| |
| public String getWritten() { |
| return new String(written, 0, count); |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write$BII() throws IOException { |
| os = new BufferedOutputStream(baos = new ByteArrayOutputStream(), 512); |
| os.write(fileString.getBytes(), 0, 500); |
| bais = new ByteArrayInputStream(baos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 0, bais.available()); |
| os.flush(); |
| bais = new ByteArrayInputStream(baos.toByteArray()); |
| assertEquals("Bytes not written after flush", 500, bais.available()); |
| os.write(fileString.getBytes(), 500, 513); |
| bais = new ByteArrayInputStream(baos.toByteArray()); |
| assertTrue("Bytes not written when buffer full", |
| bais.available() >= 1000); |
| byte[] wbytes = new byte[1013]; |
| bais.read(wbytes, 0, 1013); |
| assertEquals("Incorrect bytes written", new String(wbytes, 0, |
| wbytes.length), fileString.substring(0, 1013)); |
| |
| // regression test for HARMONY-4177 |
| MockOutputStream mos = new MockOutputStream(5); |
| BufferedOutputStream bos = new BufferedOutputStream(mos, 3); |
| bos.write("a".getBytes()); |
| bos.write("bcde".getBytes()); |
| assertEquals("Large data should be written directly", "abcde", mos |
| .getWritten()); |
| mos = new MockOutputStream(4); |
| bos = new BufferedOutputStream(mos, 3); |
| bos.write("ab".getBytes()); |
| bos.write("cd".getBytes()); |
| assertEquals("Should flush before write", "ab", mos.getWritten()); |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write_$BII_Exception() throws IOException { |
| OutputStream bos = new BufferedOutputStream(new ByteArrayOutputStream()); |
| byte[] nullByteArray = null; |
| byte[] byteArray = new byte[10]; |
| |
| try { |
| bos.write(nullByteArray, -1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, byteArray.length + 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 1, byteArray.length); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, byteArray.length); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, byteArray.length, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| bos.write(byteArray, byteArray.length, 0); |
| try { |
| bos.write(byteArray, byteArray.length, 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.write(byteArray, 0, 0); |
| bos.write(byteArray, 0, 1); |
| bos.write(byteArray, 1, byteArray.length - 1); |
| bos.write(byteArray, 0, byteArray.length); |
| |
| try { |
| bos.write(byteArray, 1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.write(byteArray, 1, 0); |
| bos.write(byteArray, 1, 1); |
| |
| bos.write(byteArray, byteArray.length, 0); |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.close(); |
| |
| try { |
| bos.write(byteArray, -1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write_$BII_NullStream_NullArray() throws IOException { |
| OutputStream bos = new BufferedOutputStream(null); |
| byte[] nullByteArray = null; |
| |
| try { |
| bos.write(nullByteArray, -1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write_$BII_NullStream_NullArray_Size() throws IOException { |
| OutputStream bos = new BufferedOutputStream(null, 1); |
| byte[] nullByteArray = null; |
| |
| try { |
| bos.write(nullByteArray, -1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, -1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 0, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(nullByteArray, 1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write_$BII_NullStream() throws IOException { |
| BufferedOutputStream bos = new BufferedOutputStream(null); |
| byte[] byteArray = new byte[10]; |
| |
| try { |
| bos.write(byteArray, -1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.write(byteArray, 0, 0); |
| |
| bos.write(byteArray, 1, 0); |
| |
| bos.write(byteArray, byteArray.length, 0); |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.write(byteArray, 0, 1); |
| bos.write(byteArray, 1, 1); |
| |
| bos.write(byteArray, 0, byteArray.length); |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(byte[], int, int) |
| */ |
| public void test_write_$BII_NullStream_Size() throws IOException { |
| BufferedOutputStream bos = new BufferedOutputStream(null, 1); |
| byte[] byteArray = new byte[10]; |
| |
| try { |
| bos.write(byteArray, -1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 1, -1); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| bos.write(byteArray, 0, 0); |
| |
| bos.write(byteArray, 1, 0); |
| |
| bos.write(byteArray, byteArray.length, 0); |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 0); |
| fail("should throw ArrayIndexOutOfBoundsException"); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, -1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 0, byteArray.length); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, 1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| bos.write(byteArray, byteArray.length + 1, 1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedOutputStream#write(int) |
| */ |
| public void test_writeI() throws IOException { |
| baos = new java.io.ByteArrayOutputStream(); |
| os = new java.io.BufferedOutputStream(baos); |
| os.write('t'); |
| bais = new java.io.ByteArrayInputStream(baos.toByteArray()); |
| assertEquals("Byte written, not buffered", 0, bais.available()); |
| os.flush(); |
| bais = new java.io.ByteArrayInputStream(baos.toByteArray()); |
| assertEquals("Byte not written after flush", 1, bais.available()); |
| byte[] wbytes = new byte[1]; |
| bais.read(wbytes, 0, 1); |
| assertEquals("Incorrect byte written", 't', wbytes[0]); |
| } |
| |
| public void test_write_Close() throws IOException { |
| BufferedOutputStream buffos = new BufferedOutputStream( |
| new ByteArrayOutputStream()); |
| buffos.write(new byte[0]); |
| try { |
| buffos.write(null); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } |
| byte[] buffer = "1234567890".getBytes(); |
| |
| buffos.write(Integer.MIN_VALUE); |
| buffos.write(Integer.MAX_VALUE); |
| buffos.write(buffer, 0, 10); |
| buffos.flush(); |
| |
| buffos.close(); |
| |
| buffos.write(Integer.MIN_VALUE); |
| buffos.write(Integer.MAX_VALUE); |
| buffos.write(buffer, 0, 10); |
| buffos.flush(); |
| } |
| |
| public void test_write_Scenario1() throws IOException { |
| ByteArrayOutputStream byteArrayos = new ByteArrayOutputStream(); |
| ByteArrayInputStream byteArrayis = null; |
| byte[] buffer = "1234567890".getBytes("UTF-8"); |
| |
| BufferedOutputStream buffos = new BufferedOutputStream(byteArrayos, 10); |
| buffos.write(buffer, 0, 10); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 10, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 10, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| |
| buffos.write(buffer, 0, 10); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 20, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 20, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| |
| buffos.write(buffer, 0, 10); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 30, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 30, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| } |
| |
| public void test_write_Scenario2() throws IOException { |
| ByteArrayOutputStream byteArrayos = new ByteArrayOutputStream(); |
| ByteArrayInputStream byteArrayis = null; |
| byte[] buffer = "1234567890".getBytes("UTF-8"); |
| |
| BufferedOutputStream buffos = new BufferedOutputStream(byteArrayos, 20); |
| buffos.write(buffer, 0, 10); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 0, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 10, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| |
| byte[] buffer2 = new byte[] { 'a', 'b', 'c', 'd' }; |
| buffos.write(buffer2, 0, 4); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 10, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 14, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 4; i++) { |
| assertEquals(buffer2[i], byteArrayis.read()); |
| } |
| |
| buffos.close(); |
| |
| byte[] buffer3 = new byte[] { 'e', 'f', 'g', 'h', 'i' }; |
| buffos.write(buffer3, 0, 5); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 14, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 19, byteArrayis |
| .available()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 4; i++) { |
| assertEquals(buffer2[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 5; i++) { |
| assertEquals(buffer3[i], byteArrayis.read()); |
| } |
| |
| buffos.write(new byte[] { 'j', 'k' }); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 19, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 21, byteArrayis |
| .available()); |
| } |
| |
| public void test_write_Scenario3() throws IOException { |
| ByteArrayOutputStream byteArrayos = new ByteArrayOutputStream(); |
| ByteArrayInputStream byteArrayis = null; |
| byte[] buffer = "1234567890".getBytes("UTF-8"); |
| |
| BufferedOutputStream buffos = new BufferedOutputStream(byteArrayos, 5); |
| buffos.write(buffer, 0, 4); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 0, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 4, byteArrayis |
| .available()); |
| for (int i = 0; i < 4; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| |
| buffos.write(buffer, 0, 5); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes written, not buffered", 9, byteArrayis.available()); |
| buffos.flush(); |
| byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray()); |
| assertEquals("Bytes not written after flush", 9, byteArrayis |
| .available()); |
| for (int i = 0; i < 4; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| for (int i = 0; i < 5; i++) { |
| assertEquals(buffer[i], byteArrayis.read()); |
| } |
| } |
| |
| /** |
| * Tears down the fixture, for example, close a network connection. This |
| * method is called after a test is executed. |
| */ |
| protected void tearDown() throws IOException { |
| if (bais != null) { |
| bais.close(); |
| } |
| if (os != null) { |
| os.close(); |
| } |
| if (baos != null) { |
| baos.close(); |
| } |
| } |
| } |