/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */


#include <com/sun/star/test/XSimpleTest.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XConnectable.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>

#include <com/sun/star/lang/XServiceInfo.hpp>

#include <cppuhelper/factory.hxx>

#include <cppuhelper/implbase.hxx>

#include <osl/conditn.hxx>
#include <osl/thread.hxx>

#include <string.h>

using namespace ::osl;
using namespace ::cppu;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::test;
// streams

#include "testfactreg.hxx"


class WriteToStreamThread :
        public Thread
{

public:

    WriteToStreamThread( Reference< XOutputStream >  xOutput , int iMax )
      : m_output(xOutput), m_iMax(iMax)
    {
    }

    virtual ~WriteToStreamThread() {}


protected:

    /// Working method which should be overridden.
    virtual void SAL_CALL run() {
        for( int i = 0 ; i < m_iMax ; i ++ ) {
            m_output->writeBytes( createIntSeq(i) );
        }
        m_output->closeOutput();
    }

    /** Called when run() is done.
    * You might want to override it to do some cleanup.
    */
    virtual void SAL_CALL onTerminated()
    {
        delete this;
    }


private:

    Reference < XOutputStream >  m_output;
    int m_iMax;
};


class OPipeTest : public WeakImplHelper < XSimpleTest >
{
public:
    explicit OPipeTest( const Reference< XMultiServiceFactory >  & rFactory );
    ~OPipeTest();

public: // implementation names
    static Sequence< OUString >     getSupportedServiceNames_Static() throw();
    static OUString                 getImplementationName_Static() throw();

public:
    virtual void SAL_CALL testInvariant(const OUString& TestName, const Reference < XInterface >& TestObject)
        throw  ( IllegalArgumentException, RuntimeException) ;

    virtual sal_Int32 SAL_CALL test(    const OUString& TestName,
                                        const Reference < XInterface >& TestObject,
                                        sal_Int32 hTestHandle)
        throw  (    IllegalArgumentException,
                    RuntimeException);

    virtual sal_Bool SAL_CALL testPassed()                              throw  (    RuntimeException) ;
    virtual Sequence< OUString > SAL_CALL getErrors()               throw  (RuntimeException) ;
    virtual Sequence< Any > SAL_CALL getErrorExceptions()       throw  (RuntimeException);
    virtual Sequence< OUString > SAL_CALL getWarnings()                 throw  (RuntimeException);

private:
    void testSimple( const Reference < XInterface > & );
    void testBufferResizing( const Reference < XInterface >  & );
    void testMultithreading( const Reference < XInterface > & );

private:
    Sequence<Any>  m_seqExceptions;
    Sequence<OUString> m_seqErrors;
    Sequence<OUString> m_seqWarnings;

};


OPipeTest::OPipeTest( const Reference< XMultiServiceFactory > &rFactory )
{

}

OPipeTest::~OPipeTest()
{

}


void OPipeTest::testInvariant( const OUString& TestName, const Reference < XInterface >& TestObject )
    throw  (    IllegalArgumentException,
                RuntimeException)
{
    Reference< XServiceInfo > info( TestObject, UNO_QUERY );
    ERROR_ASSERT( info.is() , "XServiceInfo not supported !" );
    if( info.is() )
    {
        ERROR_ASSERT( info->supportsService( TestName ), "XServiceInfo test failed" );
        ERROR_ASSERT( ! info->supportsService(
            OUString("bla bluzb") ), "XServiceInfo test failed" );
    }

}


sal_Int32 OPipeTest::test(
    const OUString& TestName,
    const Reference < XInterface >& TestObject,
    sal_Int32 hTestHandle)
    throw  (    IllegalArgumentException, RuntimeException)
{
    if( OUString("com.sun.star.io.Pipe") == TestName )  {
        try
        {
            if( 0 == hTestHandle ) {
                testInvariant( TestName , TestObject );
            }
            else if( 1 == hTestHandle ) {
                testSimple( TestObject );
            }
            else if( 2 == hTestHandle ) {
                testBufferResizing( TestObject );
            }
            else if( 3 == hTestHandle ) {
                testMultithreading( TestObject );
            }
        }
        catch( const Exception & e )
        {
            OString s = OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US );
            BUILD_ERROR( 0 , s.getStr() );
        }
        catch( ... )
        {
            BUILD_ERROR( 0 , "unknown exception (Exception is  not base class)" );
        }

        hTestHandle ++;

        if( 4 == hTestHandle )
        {
            // all tests finished.
            hTestHandle = -1;
        }
    }
    else {
        throw IllegalArgumentException();
    }
    return hTestHandle;
}


sal_Bool OPipeTest::testPassed()        throw  (RuntimeException)
{
    return m_seqErrors.getLength() == 0;
}


Sequence< OUString > OPipeTest::getErrors()     throw  (RuntimeException)
{
    return m_seqErrors;
}


Sequence< Any > OPipeTest::getErrorExceptions()                     throw  (RuntimeException)
{
    return m_seqExceptions;
}


Sequence< OUString > OPipeTest::getWarnings()                       throw  (RuntimeException)
{
    return m_seqWarnings;
}


/***
* the test methods
*
****/


void OPipeTest::testSimple( const Reference < XInterface > &r )
{

    Reference< XInputStream > input( r , UNO_QUERY );
    Reference < XOutputStream > output( r , UNO_QUERY );

    ERROR_ASSERT( input.is()  , "queryInterface on XInputStream failed" );
    ERROR_ASSERT( output.is() , "queryInterface onXOutputStream failed" );

    // basic read/write
    Sequence<sal_Int8> seqWrite = createSeq( "Hallo, du Ei !" );

    Sequence<sal_Int8> seqRead;
    for( int i = 0 ; i < 5000 ; i ++ ) {
        output->writeBytes( seqWrite );
        input->readBytes( seqRead , input->available() );

        ERROR_ASSERT( ! strcmp( (char *) seqWrite.getArray() , (char * )seqRead.getArray() ) ,
                      "error during read/write/skip" );
        ERROR_ASSERT( 0 == input->available() ,
                      "error during read/write/skip" );

        // available shouldn't return a negative value
        input->skipBytes( seqWrite.getLength() - 5 );
        ERROR_ASSERT( 0 == input->available() , "wrong available after skip" );

        // 5 bytes should be available
        output->writeBytes( seqWrite );
        ERROR_ASSERT( 5 == input->available() , "wrong available after skip/write " );

        input->readBytes( seqRead , 5 );
        ERROR_ASSERT(   ! strcmp(   (char*) seqRead.getArray() ,
                            (char*) &( seqWrite.getArray()[seqWrite.getLength()-5] ) ),
                        "write/read mismatch" );

    }

    output->writeBytes( seqWrite );
    ERROR_ASSERT( seqWrite.getLength() == input->available(), "wrong available() after write" );

    ERROR_ASSERT( 10 == input->readSomeBytes( seqRead , 10 ) , "maximal number of bytes ignored" );
    ERROR_ASSERT( seqWrite.getLength() -10 == input->readSomeBytes( seqRead , 100 ) ,
                                                            "something wrong with readSomeBytes" );


    output->closeOutput();
    try{
        output->writeBytes( Sequence<sal_Int8> (100) );
        ERROR_ASSERT( 0 , "writing on a closed stream does not cause an exception" );
    }
    catch (IOException & )
    {
    }

    ERROR_ASSERT(! input->readBytes( seqRead , 1 ), "eof not found !" );

    input->closeInput();
    try
    {
        input->readBytes( seqRead , 1 );
        ERROR_ASSERT( 0 , "reading from a closed stream does not cause an exception" );
    }
    catch( IOException & ) {
    }

    try
    {
        input->available( );
        ERROR_ASSERT( 0 , "calling available from a closed stream should thrown an io exception" );
    }
    catch( IOException & )
    {

    }
    try
    {
        input->skipBytes(42 );
        ERROR_ASSERT( 0 , "calling available from a closed stream should thrown an io exception" );
    }
    catch( IOException & )
    {

    }
}

void OPipeTest::testBufferResizing( const Reference < XInterface > &r )
{
    int i;
    int iMax = 20000;
    Reference< XInputStream > input( r , UNO_QUERY );
    Reference < XOutputStream > output( r , UNO_QUERY );

    ERROR_ASSERT( input.is()  , "queryInterface on XInputStream failed" );
    ERROR_ASSERT( output.is() , "queryInterface on XOutputStream failed" );

    Sequence<sal_Int8> seqRead;

    // this is just to better check the
    // internal buffers
    output->writeBytes( Sequence<sal_Int8>(100) );
    Sequence< sal_Int8 > dummy;
    input->readBytes( dummy , 100);

    for( i = 0 ; i < iMax ; i ++ ) {
        output->writeBytes( createIntSeq( i ) );
    }

    for( i = 0 ; i < iMax ; i ++ ) {
        input->readBytes( seqRead, createIntSeq(i).getLength() );
        ERROR_ASSERT( ! strcmp(     (char*) seqRead.getArray() ,
                                    (char*) createIntSeq(i).getArray() ) ,
                        "written/read mismatch\n" );
    }

    output->closeOutput();
    ERROR_ASSERT( ! input->readBytes( seqRead , 1 ) , "eof not reached !" );
    input->closeInput();
}


void OPipeTest::testMultithreading( const Reference < XInterface > &r )
{

    int i;
    int iMax = 30000;

    Reference< XInputStream > input( r , UNO_QUERY );
    Reference < XOutputStream > output( r , UNO_QUERY );

    ERROR_ASSERT( input.is()  , "queryInterface on XInputStream failed"  );
    ERROR_ASSERT( output.is() , "queryInterface on XOutputStream failed" );

    Sequence<sal_Int8> seqRead;

    // deletes itself
    Thread *p = new WriteToStreamThread( output,  iMax );

    ERROR_ASSERT( p , "couldn't create thread for testing !\n" );

    p->create();

    for(  i = 0 ; sal_True ; i ++ ) {
        if( 0 == input->readBytes( seqRead, createIntSeq(i).getLength() ) ) {
            // eof reached !
            break;
        }

        ERROR_ASSERT( ! strcmp(     (char*) seqRead.getArray() ,
                                    (char*) createIntSeq(i).getArray() ) ,
                        "written/read mismatch\n" );
    }

    ERROR_ASSERT( i == iMax , "less elements read than written !");
    input->closeInput();
}


/**
* for external binding
*
*
**/
Reference < XInterface > SAL_CALL OPipeTest_CreateInstance( const Reference< XMultiServiceFactory>  & rSMgr ) throw (Exception)
{
    return getXWeak(new OPipeTest( rSMgr ));
}


Sequence<OUString> OPipeTest_getSupportedServiceNames() throw()
{
      Sequence<OUString> aRet { OPipeTest_getServiceName() };

      return aRet;
}

OUString     OPipeTest_getServiceName() throw()
{
    return OUString( "test.com.sun.star.io.Pipe" );
}

OUString    OPipeTest_getImplementationName() throw()
{
    return OUString( "test.com.sun.star.comp.extensions.stm.Pipe" );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */