diff options
Diffstat (limited to 'harmony-tests/src/test/java/org/apache/harmony/tests/java/io/BufferedOutputStreamTest.java')
| -rw-r--r-- | harmony-tests/src/test/java/org/apache/harmony/tests/java/io/BufferedOutputStreamTest.java | 849 |
1 files changed, 849 insertions, 0 deletions
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/io/BufferedOutputStreamTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/io/BufferedOutputStreamTest.java new file mode 100644 index 0000000..9c5bb2d --- /dev/null +++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/io/BufferedOutputStreamTest.java @@ -0,0 +1,849 @@ +/* + * 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.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"; + + /** + * 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); + } + + /** + * 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 + } + } + + /** + * 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); + } + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write$BII() throws IOException { + os = new BufferedOutputStream(baos = new ByteArrayOutputStream(), 512); + os.write(fileString.getBytes(), 0, 500); + bais = new ByteArrayInputStream(baos.toByteArray()); + assertEquals("Bytes written, not buffered", 0, bais.available()); + os.flush(); + bais = new ByteArrayInputStream(baos.toByteArray()); + assertEquals("Bytes not written after flush", 500, bais.available()); + os.write(fileString.getBytes(), 500, 513); + bais = new ByteArrayInputStream(baos.toByteArray()); + assertTrue("Bytes not written when buffer full", + bais.available() >= 1000); + byte[] wbytes = new byte[1013]; + bais.read(wbytes, 0, 1013); + assertEquals("Incorrect bytes written", new String(wbytes, 0, + wbytes.length), fileString.substring(0, 1013)); + + // regression test for HARMONY-4177 + MockOutputStream mos = new MockOutputStream(5); + BufferedOutputStream bos = new BufferedOutputStream(mos, 3); + bos.write("a".getBytes()); + bos.write("bcde".getBytes()); + assertEquals("Large data should be written directly", "abcde", mos + .getWritten()); + mos = new MockOutputStream(4); + bos = new BufferedOutputStream(mos, 3); + bos.write("ab".getBytes()); + bos.write("cd".getBytes()); + assertEquals("Should flush before write", "ab", mos.getWritten()); + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write_$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(); + } catch (IOException expected) { + } catch (IndexOutOfBoundsException expected) { + } + + try { + bos.write(null, -1, -1); + fail(); + } catch (IOException expected) { + } catch (NullPointerException expected) { + } + + try { + bos.write(null, 0, 1); + fail(); + } catch (IOException expected) { + } catch (NullPointerException expected) { + } + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write_$BII_NullStream_NullArray() throws IOException { + OutputStream bos = new BufferedOutputStream(null); + byte[] nullByteArray = null; + + try { + bos.write(nullByteArray, -1, -1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 0, -1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 1, -1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, -1, 0); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 0, 0); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 1, 0); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, -1, 1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 0, 1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + + try { + bos.write(nullByteArray, 1, 1); + fail("should throw NullPointerException"); + } catch (NullPointerException e) { + // expected + } + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write_$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 + } + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write_$BII_NullStream() throws IOException { + BufferedOutputStream bos = new BufferedOutputStream(null); + byte[] byteArray = new byte[10]; + + try { + bos.write(byteArray, -1, -1); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + try { + bos.write(byteArray, 0, -1); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + try { + bos.write(byteArray, 1, -1); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + try { + bos.write(byteArray, -1, 0); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + bos.write(byteArray, 0, 0); + + bos.write(byteArray, 1, 0); + + bos.write(byteArray, byteArray.length, 0); + + try { + bos.write(byteArray, byteArray.length + 1, 0); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + try { + bos.write(byteArray, -1, 1); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + + bos.write(byteArray, 0, 1); + bos.write(byteArray, 1, 1); + + bos.write(byteArray, 0, byteArray.length); + + try { + bos.write(byteArray, byteArray.length + 1, 1); + fail("should throw ArrayIndexOutOfBoundsException"); + } catch (ArrayIndexOutOfBoundsException e) { + // expected + } + } + + /** + * java.io.BufferedOutputStream#write(byte[], int, int) + */ + public void test_write_$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 + } + } + + /** + * 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(); + } + + 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()); + } + + 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()); + + buffos.close(); + } + + 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()); + } + } + + // Regression test for flush on closed stream + public void test_flush_on_closed_stream() throws IOException { + BufferedOutputStream bos = new BufferedOutputStream(new ByteArrayOutputStream()); + bos.close(); + try { + bos.flush(); // RI does not throw exception + } catch (IOException expected) { // but Android does + } + } + + /** + * 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(); + } + } +} |