/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_io.hxx"

#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/implbase1.hxx>      // OWeakObject

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

#include <string.h>

using namespace ::rtl;
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"
#define IMPLEMENTATION_NAME	"test.com.sun.star.comp.extensions.stm.Pipe"
#define SERVICE_NAME		"test.com.sun.star.io.Pipe"


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 WeakImplHelper1 < XSimpleTest >
{
public:
	OPipeTest( const Reference< XMultiServiceFactory >  & rFactory );
	~OPipeTest();

public: // implementation names
    static Sequence< OUString > 	getSupportedServiceNames_Static(void) 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(void) 								throw  (	RuntimeException) ;
    virtual Sequence< OUString > SAL_CALL getErrors(void) 				throw  (RuntimeException) ;
    virtual Sequence< Any > SAL_CALL getErrorExceptions(void) 		throw  (RuntimeException);
	virtual Sequence< OUString > SAL_CALL getWarnings(void) 				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( RTL_CONSTASCII_USTRINGPARAM("bla bluzb") ) ), "XServiceInfo test failed" );
	}

}


sal_Int32 OPipeTest::test(
	const OUString& TestName,
	const Reference < XInterface >& TestObject,
	sal_Int32 hTestHandle)
	throw  (	IllegalArgumentException, RuntimeException)
{
	if( OUString( RTL_CONSTASCII_USTRINGPARAM("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( 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(void) 		throw  (RuntimeException)
{
	return m_seqErrors.getLength() == 0;
}


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


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


Sequence< OUString > OPipeTest::getWarnings(void) 						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 mismatich" );

	}

	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)
{
	OPipeTest *p = new OPipeTest( rSMgr );
	Reference< XInterface > x ( SAL_STATIC_CAST( OWeakObject * , p ) );
	return x;
}



Sequence<OUString> OPipeTest_getSupportedServiceNames(void) throw()
{
  	Sequence<OUString> aRet(1);
	aRet.getArray()[0] = OPipeTest_getServiceName();

  	return aRet;
}

OUString     OPipeTest_getServiceName() throw()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) );
}

OUString 	OPipeTest_getImplementationName() throw()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
}