package com.ibm.tck.javax.microedition.io.file.FileConnection;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.io.file.IllegalModeException;
import com.ibm.tck.javax.microedition.io.file.support.TestCaseWithLog;
/*
* Licensed Materials - Property of IBM,
* (c) Copyright IBM Corp. 2003 All Rights Reserved
*/
public class OpenDataInputStream extends TestCaseWithLog {
/**
* @see com.ibm.tck.client.TestCase#runTests()
*/
public void runTests() {
if (isTestValid("test0001")) test0001();
if (isTestValid("test0002")) test0002();
if (isTestValid("test0003")) test0003();
if (isTestValid("test0004")) test0004();
if (isTestValid("test0005")) test0005();
if (isTestValid("test0006")) test0006();
if (isTestValid("test0007")) test0007();
if (isTestValid("test0008")) test0008();
if (isTestValid("test0009")) test0009();
if (isTestValid("test0010")) test0010();
}
/**
* Tests openDataInputStream()
*/
public void test0001() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
DataInputStream is = null;
DataOutputStream os = null;
try {
addOperationDesc("Writing UTF string to output stream: foobar");
os = conn.openDataOutputStream();
os.writeUTF("foobar");
os.close();
os = null;
is = conn.openDataInputStream();
String result = is.readUTF();
addOperationDesc("Reading UTF string from input stream: " + result);
passed = result.equals("foobar");
} finally {
if (is != null) is.close();
if (os != null) os.close();
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests openDataInputStream()", passed);
}
/**
* IOException thrown if invoked on a directory
*/
public void test0002() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
try {
addOperationDesc("Creating directory: " + conn.getURL());
ensureDirExists(conn);
addOperationDesc("Attempting to open stream on directory");
try {
InputStream is = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
passed = false;
is.close();
} catch (IOException e) {
addOperationDesc("Expected IOException thrown");
passed = true;
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException thrown if invoked on a directory", passed);
}
/**
* IllegalModeException thrown for connections opened in Connector.WRITE mode
*/
public void test0003() {
boolean passed = false;
try {
addOperationDesc("Opening connection in WRITE mode");
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.WRITE);
try {
try {
DataInputStream is = conn.openDataInputStream();
addOperationDesc("No IllegalModeException thrown");
passed = false;
is.close();
} catch (IllegalModeException e) {
passed = true;
addOperationDesc("Expected IllegalModeException thrown");
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IllegalModeException thrown for connections opened in Connector.WRITE mode", passed);
}
/**
* Tests openDataInputStream() in Connector.READ mode
*/
public void test0004() {
boolean passed = false;
try {
FileConnection conn1 = null;
FileConnection conn2 = null;
DataInputStream is = null;
DataOutputStream os = null;
try {
conn1 = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
addOperationDesc("Creating file: " + conn1.getURL());
ensureFileExists(conn1);
addOperationDesc("Opening connection in READ mode");
conn2 = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ);
addOperationDesc("Writing UTF string to output stream: foobar");
os = conn1.openDataOutputStream();
os.writeUTF("foobar");
os.close();
os=null;
conn1.close();
conn1=null;
is = conn2.openDataInputStream();
String result = is.readUTF();
addOperationDesc("Reading UTF string from input stream: " + result);
passed = result.equals("foobar");
} finally {
if (is != null) is.close();
if (os != null) os.close();
if (conn1 != null) conn1.close();
if (conn2 != null) conn2.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests openDataInputStream() in Connector.READ mode", passed);
}
/**
* IOException thrown if multiple input streams opened
*/
public void test0005() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
InputStream is = null;
DataInputStream dis = null;
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Opening first input stream");
// try for an InputStream to make sure that they are considered the same
is = conn.openInputStream();
try {
dis = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
passed = false;
dis.close();
} catch (IOException e) {
addOperationDesc("Expected IOException thrown");
passed = true;
}
} finally {
if (is!=null) is.close();
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException thrown if multiple input streams opened", passed);
}
/**
* IOException thrown if the file the connection is opened to does not yet exist
*/
public void test0006() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
try {
addOperationDesc("Deleting file: " + conn.getURL());
ensureNotExists(conn);
try {
DataInputStream dis = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
dis.close();
passed = false;
} catch (IOException e) {
addOperationDesc("Expected IOException thrown");
passed = true;
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException thrown if the file the connection is opened to does not yet exist", passed);
}
/**
* Streams can be opened and closed more than once on a connection
*/
public void test0007() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
InputStream stream =null;
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Opening stream");
stream = conn.openDataInputStream();
addOperationDesc("Closing stream");
stream.close();
stream = null;
addOperationDesc("Opening stream");
stream = conn.openDataInputStream();
addOperationDesc("Closing stream");
stream.close();
stream =null;
passed = true;
} finally {
if (stream!=null) stream.close();
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Streams can be opened and closed more than once on a connection", passed);
}
/**
* IOException thrown if connection is closed
*/
public void test0008() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Closing connection");
conn.close();
try {
addOperationDesc("Attempting to call openDataInputStream() on closed connection");
DataInputStream dis = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
passed = false;
dis.close();
} catch (IOException e) {
addOperationDesc("Expected IOException thrown");
passed = true;
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException thrown if invoked on a closed connection", passed);
}
/**
* IOException or SecurityException thrown if connection is opened on a non-existent file system
*/
public void test0009() {
boolean passed = false;
try {
FileConnection conn = null;
try {
String possibleNonExistentFilesystem ="/TCKFileSystem/";
try {
conn = (FileConnection)Connector.open("file://"+possibleNonExistentFilesystem+"test", Connector.READ_WRITE);
addOperationDesc("Opened connection on a non existent file system: " + conn.getURL());
} catch (SecurityException e) {
passed = true;
addOperationDesc("Expected SecurityException thrown");
}
if (conn!=null) {
DataInputStream dis = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
passed = false;
dis.close();
}
} catch (IOException e) {
passed = true;
addOperationDesc("Expected IOException thrown");
} finally {
if (conn!=null) conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException or SecurityException thrown if connection is opened on a non-existent file system", passed);
}
/**
* IOException or SecurityException thrown if connection is opened on a non-existent host
*/
public void test0010() {
boolean passed = false;
try {
FileConnection conn = null;
try {
String possibleNonExistentFilesystem ="TCKBogusHost/TCKFileSystem/";
try {
conn = (FileConnection)Connector.open("file://"+possibleNonExistentFilesystem+"test", Connector.READ_WRITE);
addOperationDesc("Opened connection on a non existent host: " + conn.getURL());
} catch (SecurityException e) {
passed = true;
addOperationDesc("Expected SecurityException thrown");
}
if (conn!=null) {
DataInputStream dis = conn.openDataInputStream();
addOperationDesc("No IOException thrown");
passed = false;
dis.close();
}
} catch (IOException e) {
passed = true;
addOperationDesc("Expected IOException thrown");
} finally {
if (conn!=null) conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IOException or SecurityException thrown if connection is opened on a non-existent host", passed);
}
}