java/io/FilterOutputStreamTest.java

/*
 *  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 tests.api.java.io;

import dalvik.annotation.TestInfo;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTarget;
import dalvik.annotation.TestTargetClass;

@TestTargetClass(java.io.FilterOutputStream.class)
public class FilterOutputStreamTest extends junit.framework.TestCase {

    private java.io.OutputStream os;

    java.io.ByteArrayOutputStream bos;

    java.io.ByteArrayInputStream bis;

    byte[] ibuf = new byte[4096];

    public 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";

    /**
     * @tests java.io.FilterOutputStream#FilterOutputStream(java.io.OutputStream)
     */
    @TestInfo(
            level = TestLevel.COMPLETE,
            purpose = "Verifies FilterOutputStream(java.io.OutputStream) constructor.",
            targets = { @TestTarget(methodName = "FilterOutputStream",
                                    methodArgs = {java.io.OutputStream.class})
            }
        )
    public void test_ConstructorLjava_io_OutputStream() {
        // Test for method java.io.FilterOutputStream(java.io.OutputStream)
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write('t');
        } catch (java.io.IOException e) {
            fail("Constructor test failed : " + e.getMessage());
        }
    }

    /**
     * @tests java.io.FilterOutputStream#close()
     */
    @TestInfo(
            level = TestLevel.PARTIAL,
            purpose = "IOException checking missed.",
            targets = { @TestTarget(methodName = "close",
                                    methodArgs = {})
            }
        )
    public void test_close() {
        // Test for method void java.io.FilterOutputStream.close()
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write(fileString.getBytes(), 0, 500);
            os.flush();
            assertEquals("Bytes not written after flush", 500, bos.size());
            os.close();
        } catch (java.io.IOException e) {
            fail("Close test failed : " + e.getMessage());
        }
    }

    /**
     * @tests java.io.FilterOutputStream#flush()
     */
    @TestInfo(
            level = TestLevel.PARTIAL,
            purpose = "IOException checking missed.",
            targets = { @TestTarget(methodName = "flush",
                                    methodArgs = {})
            }
        )
    public void test_flush() {
        // Test for method void java.io.FilterOutputStream.flush()
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write(fileString.getBytes(), 0, 500);
            os.flush();
            assertEquals("Bytes not written after flush", 500, bos.size());
            os.close();
        } catch (java.io.IOException e) {
            fail("Flush test failed : " + e.getMessage());
        }
    }

    /**
     * @tests java.io.FilterOutputStream#write(byte[])
     */
    @TestInfo(
            level = TestLevel.PARTIAL,
            purpose = "IOException checking missed.",
            targets = { @TestTarget(methodName = "write",
                                    methodArgs = {byte[].class})
            }
        )

    public void test_write$B() {
        // Test for method void java.io.FilterOutputStream.write(byte [])
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write(fileString.getBytes());
            bis = new java.io.ByteArrayInputStream(bos.toByteArray());
            os.flush();
            assertTrue("Bytes not written after flush",
                    bis.available() == fileString.length());
            byte[] wbytes = new byte[fileString.length()];
            bis.read(wbytes, 0, fileString.length());
            assertTrue("Incorrect bytes written", fileString.equals(new String(
                    wbytes, 0, wbytes.length)));
        } catch (java.io.IOException e) {
            fail("Write test failed : " + e.getMessage());
        }
    }

    /**
     * @tests java.io.FilterOutputStream#write(byte[], int, int)
     */
    @TestInfo(
            level = TestLevel.PARTIAL,
            purpose = "IOException checking missed.",
            targets = { @TestTarget(methodName = "write",
                                    methodArgs = {byte[].class, int.class, int.class})
            }
        )
    public void test_write$BII() {
        // Test for method void java.io.FilterOutputStream.write(byte [], int,
        // int)
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write(fileString.getBytes(), 0, fileString.length());
            bis = new java.io.ByteArrayInputStream(bos.toByteArray());
            os.flush();
            assertTrue("Bytes not written after flush",
                    bis.available() == fileString.length());
            byte[] wbytes = new byte[fileString.length()];
            bis.read(wbytes, 0, fileString.length());
            assertTrue("Incorrect bytes written", fileString.equals(new String(
                    wbytes, 0, wbytes.length)));
        } catch (java.io.IOException e) {
            fail("Write test failed : " + e.getMessage());
        }
    }

    /**
     * @tests java.io.FilterOutputStream#write(int)
     */
    @TestInfo(
            level = TestLevel.PARTIAL,
            purpose = "IOException checking missed.",
            targets = { @TestTarget(methodName = "write",
                                    methodArgs = {int.class})
            }
        )
    public void test_writeI() {
        // Test for method void java.io.FilterOutputStream.write(int)
        try {
            bos = new java.io.ByteArrayOutputStream();
            os = new java.io.FilterOutputStream(bos);
            os.write('t');
            bis = new java.io.ByteArrayInputStream(bos.toByteArray());
            os.flush();
            assertEquals("Byte not written after flush", 1, bis.available());
            byte[] wbytes = new byte[1];
            bis.read(wbytes, 0, 1);
            assertEquals("Incorrect byte written", 't', wbytes[0]);
        } catch (java.io.IOException e) {
            fail("Write test failed : " + e.getMessage());
        }
    }

    /**
     * Sets up the fixture, for example, open a network connection. This method
     * is called before a test is executed.
     */
    protected void setUp() {
    }

    /**
     * Tears down the fixture, for example, close a network connection. This
     * method is called after a test is executed.
     */
    protected void tearDown() {
        try {
            if (bos != null)
                bos.close();
            if (bis != null)
                bis.close();
            if (os != null)
                os.close();
        } catch (Exception e) {
        }
    }
}