package com.ibm.tck.javax.microedition.io.file.FileConnection;
import java.io.IOException;
import java.io.OutputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.file.ConnectionClosedException;
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 Truncate 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();
if (isTestValid("test0011")) test0011();
}
/**
* Tests truncate()
*/
public void test0001() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
OutputStream os = null;
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Writing 8 bytes");
os = conn.openOutputStream();
os.write(new byte[8]);
os.close();
os = null;
addOperationDesc("Truncating at byte 1");
conn.truncate(1);
long fileSize = conn.fileSize();
addOperationDesc("fileSize() returned " + fileSize);
passed = fileSize==1;
} finally {
if (os != null) os.close();
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests truncate()", passed);
}
/**
* Tests truncate() where byteOffset is greater than the current end of file
*/
public void test0002() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
OutputStream os = null;
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Writing 8 bytes");
os = conn.openOutputStream();
os.write(new byte[8]);
os.close();
os = null;
addOperationDesc("Truncating at byte 10");
conn.truncate(10);
long fileSize = conn.fileSize();
addOperationDesc("fileSize() returned " + fileSize);
passed = fileSize==8;
} finally {
if (os != null) os.close();
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests truncate() where byteOffset is greater than the current end of file", passed);
}
/**
* IOException thrown if invoked on a directory
*/
public void test0003() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
try {
try {
conn.truncate(0);
addOperationDesc("No IOException thrown");
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 invoked on a directory", passed);
}
/**
* IOException thrown if the file does not exist
*/
public void test0004() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
try {
addOperationDesc("Deleting file: " + conn.getURL());
ensureNotExists(conn);
try {
conn.truncate(0);
addOperationDesc("No IOException thrown");
passed = false;
} catch (IOException e) {
addOperationDesc("Expected IOException thrown");
passed = true;
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests truncate()", passed);
}
/**
* ConnectionClosedException thrown if connection is closed
*/
public void test0005() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
try {
conn.close();
try {
conn.truncate(0);
addOperationDesc("No ConnectionClosedException thrown");
passed = false;
} catch (ConnectionClosedException e) {
addOperationDesc("Expected ConnectionClosedException thrown");
passed = true;
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("ConnectionClosedException thrown if connection is closed", passed);
}
/**
* IllegalModeException thrown for connections opened in Connector.READ mode
*/
public void test0006() {
boolean passed = false;
try {
addOperationDesc("Opening connection in READ mode");
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ);
try {
try {
conn.truncate(0);
addOperationDesc("No IllegalModeException thrown");
passed = false;
} 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);
}
/**
* IllegalArgumentException thrown if byteOffset is negative
*/
public void test0007() {
boolean passed = false;
try {
addOperationDesc("Opening connection in READ mode");
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
try {
try {
conn.truncate(-1);
addOperationDesc("No IllegalArgumentException thrown");
passed = false;
} catch (IllegalArgumentException e) {
passed = true;
addOperationDesc("Expected IllegalArgumentException thrown");
}
} finally {
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("IllegalModeException thrown for connections opened in Connector.WRITE mode", passed);
}
/**
* Tests truncate() in Connector.WRITE mode
*/
public void test0008() {
boolean passed = false;
try {
addOperationDesc("Opening connection in WRITE mode");
FileConnection conn = null;
FileConnection conn2 = null;
try {
conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.WRITE);
conn2 = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
addOperationDesc("Deleting file: " + conn.getURL());
ensureNotExists(conn2);
addOperationDesc("Creating file");
conn.create();
boolean exists = conn2.exists();
addOperationDesc("exists() returned " + exists);
passed = exists==true;
} finally {
if (conn != null) conn.close();
if (conn2 != null) conn2.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests truncate() in Connector.WRITE mode", 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) {
conn.truncate(0);
addOperationDesc("No IOException thrown");
passed = false;
}
} 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) {
conn.truncate(0);
addOperationDesc("No IOException thrown");
passed = false;
}
} 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);
}
/**
* Tests if a file is truncated properly even if an open outputstream is not explicitly flushed by the user
*/
public void test0011() {
boolean passed = false;
try {
FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
OutputStream os = null;
try {
addOperationDesc("Creating file: " + conn.getURL());
ensureFileExists(conn);
addOperationDesc("Writing 8 bytes");
os = conn.openOutputStream();
os.write(new byte[8]);
addOperationDesc("Truncating at byte 7");
conn.truncate(7);
long fileSize = conn.fileSize();
addOperationDesc("fileSize() returned " + fileSize);
passed = fileSize==7;
} finally {
if (os != null) os.close();
conn.close();
}
} catch (Exception e) {
logUnexpectedExceptionDesc(e);
passed = false;
}
assertTrueWithLog("Tests if a file is truncated properly even if an open outputstream is not explicitly flushed by the user", passed);
}
}