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// vim: syntax=cpp
/*
* Copyright (C) 2007-2023 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>
suite File
{
test writeFull
{
Bu::File sf("testfile1", Bu::File::WriteNew );
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 );
}
test 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() == false );
unitTest( sf.read( buf, 1 ) == 0 );
unitTest( sf.isEos() == true );
// EOS is only set when an attempt to read past the end of
// the stream is made, not when a short block is returned.
break;
}
}
sf.close();
}
test readError1
{
try
{
Bu::File sf("doesn'texist", Bu::File::Read );
unitFailed("No exception thrown");
}
catch( Bu::FileException &e )
{
return;
}
}
test 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;
}
}
}
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