package com.ibm.tck.javax.microedition.io.file.FileConnection; import java.io.DataOutputStream; import java.io.IOException; import java.io.OutputStream; 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 OpenDataOutputStream 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 openDataOutputStream() */ 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); DataOutputStream os = null; try { os = conn.openDataOutputStream(); long fileSize1 = conn.fileSize(); addOperationDesc("fileSize() is " + fileSize1); addOperationDesc("Writing int to output stream"); os.writeInt(2); addOperationDesc("Closing output stream"); os.close(); os = null; long fileSize2 = conn.fileSize(); addOperationDesc("fileSize() is " + fileSize2); passed = fileSize2>fileSize1; } finally { if (os != null) os.close(); } } finally { conn.close(); } } catch (Exception e) { logUnexpectedExceptionDesc(e); passed = false; } assertTrueWithLog("Tests openDataOutputStream()", 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 { OutputStream os = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; os.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.READ mode */ public void test0003() { boolean passed = false; try { addOperationDesc("Opening connection in READ mode"); FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ); try { try { DataOutputStream os = conn.openDataOutputStream(); addOperationDesc("No IllegalModeException thrown"); passed = false; os.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.READ mode", passed); } /** * Tests openDataOutputStream() in Connector.WRITE mode */ public void test0004() { boolean passed = false; try { FileConnection conn1 = null; FileConnection conn2 = 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 WRITE mode"); conn2 = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.WRITE); os = conn2.openDataOutputStream(); long fileSize1 = conn1.fileSize(); addOperationDesc("fileSize() is " + fileSize1); addOperationDesc("Writing int to output stream"); os.writeInt(2); addOperationDesc("Closing output stream"); os.close(); os = null; long fileSize2 = conn1.fileSize(); addOperationDesc("fileSize() is " + fileSize2); passed = fileSize2>fileSize1; } finally { if (os != null) os.close(); if (conn1 != null) conn1.close(); if (conn2 != null) conn2.close(); } } catch (Exception e) { logUnexpectedExceptionDesc(e); passed = false; } assertTrueWithLog("Tests openDataOutputStream() in Connector.WRITE mode", passed); } /** * IOException thrown if multiple output streams opened */ public void test0005() { boolean passed = false; try { FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE); OutputStream os0 = null; try { addOperationDesc("Creating file: " + conn.getURL()); ensureFileExists(conn); addOperationDesc("Opening first input stream"); // try for an OutputStream to make sure that they are considered the same os0 = conn.openOutputStream(); try { DataOutputStream dos = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; dos.close(); } catch (IOException e) { addOperationDesc("Expected IOException thrown"); passed = true; } } finally { if (os0!=null) os0.close(); conn.close(); } } catch (Exception e) { logUnexpectedExceptionDesc(e); passed = false; } assertTrueWithLog("IOException thrown if multiple output 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 { DataOutputStream os = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; os.close(); } 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); DataOutputStream stream = null; try { addOperationDesc("Creating file: " + conn.getURL()); ensureFileExists(conn); addOperationDesc("Opening stream"); stream = conn.openDataOutputStream(); addOperationDesc("Closing stream"); stream.close(); stream = null; addOperationDesc("Opening stream"); stream = conn.openDataOutputStream(); 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 openDataOutputStream() on closed connection"); DataOutputStream os = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; os.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) { DataOutputStream dos = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; dos.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) { DataOutputStream dos = conn.openDataOutputStream(); addOperationDesc("No IOException thrown"); passed = false; dos.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); } /** * Tests if the DataOutputStream returned from openDataOutputStream() updates the file immediately when flush() is called. */ public void test0011() { boolean passed = false; try { FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE); try { addOperationDesc("Creating file: " + conn.getURL()); ensureFileExists(conn); DataOutputStream os = null; try { long fileSize1 = conn.fileSize(); addOperationDesc("fileSize() is " + fileSize1); os = conn.openDataOutputStream(); addOperationDesc("Writing 1024 bytes to output stream"); os.write(new byte[1024]); os.flush(); long fileSize2 = conn.fileSize(); addOperationDesc("fileSize() is " + fileSize2); passed = fileSize2==1024; } finally { if (os != null) os.close(); } } finally { conn.close(); } } catch (Exception e) { logUnexpectedExceptionDesc(e); passed = false; } assertTrueWithLog("Tests if the DataOutputStream returned from openDataOutputStream() updates the file immediately when flush() is called", passed); } }