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// vim: syntax=cpp
/*
 * Copyright (C) 2007-2008 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#include "bu/file.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

{=Init}

{%writeFull}
{
	Bu::File sf("testfile1", Bu::File::Write );
	for( int c = 0; c < 256; c++ )
	{
		unsigned char ch = (unsigned char)c;
		sf.write( &ch, 1 );
		unitTest( sf.tell() == c+1 );
	}
	//unitTest( sf.canRead() == false );
	//unitTest( sf.canWrite() == true );
	//unitTest( sf.canSeek() == true );
	sf.close();
	struct stat sdat;
	stat("testfile1", &sdat );
	unitTest( sdat.st_size == 256 );
}

{%readBlocks}
{
	Bu::File sf("testfile1", Bu::File::Read );
	unsigned char buf[50];
	size_t total = 0;
	for(;;)
	{
		size_t s = sf.read( buf, 50 );
		for( size_t c = 0; c < s; c++ )
		{
			unitTest( buf[c] == (unsigned char)(c+total) );
		}
		total += s;
		if( s < 50 )
		{
			unitTest( total == 256 );
			unitTest( sf.isEOS() == true );
			break;
		}
	}
	sf.close();
}

{%readError1}
{
	try
	{
		Bu::File sf("doesn'texist", Bu::File::Read );
		unitFailed("No exception thrown");
	}
	catch( Bu::FileException &e )
	{
		return;
	}
}

{%readError2}
{
	Bu::File sf("testfile1", Bu::File::Read );
	char buf[256];
	int r = sf.read( buf, 256 );
	unitTest( r == 256 );
	// You have to read past the end to set the EOS flag.
	unitTest( sf.isEOS() == false );
	try
	{
		if( sf.read( buf, 5 ) > 0 )
		{
			unitFailed("Non-zero read result");
		}
		else
		{
			sf.close();
		}
	}
	catch( Bu::FileException &e )
	{
		sf.close();
		return;
	}
}