Bool GetFileSizeTest()
{
Bool result = true;
File* file;
//File does not exists, GetFileSize returns 0
File::Delete(_fileName);
CHECK File::GetFileSize(_fileName) == 0;
//File exists, but is empty, GetFileSize returns 0
file = File::Create(_fileName);
CHECK file->GetFileSize() == 0;
DeletePtr(file)
CHECK File::GetFileSize(_fileName) == 0;
//File exists, and is not empty, GetFileSize returns size
file = File::Open(_fileName);
file->Write((VoidPtr)_fileName, 5);
CHECK file->GetFileSize() == 5;
DeletePtr(file)
CHECK File::GetFileSize(_fileName) == 5;
File::Delete(_fileName);
return result;
}
Bool OpenReadOnlyTest()
{
Bool result = true;
File* file;
String text;
UInt fileSize;
//File does not exists, open it and it will fail
File::Delete(_fileName);
file = File::OpenReadOnly(_fileName);
CHECK file == 0;
//File exists, open it and it will work, write to it and it will fail
CHECK (file = File::Create(_fileName));
file->Write((VoidPtr)_fileName, String::CStrByteSize(_fileName));
DeletePtr(file);
CHECK (file = File::OpenReadOnly(_fileName));
fileSize = ToUInt(file->GetFileSize());
text.Reserve(fileSize / sizeof(TChar));
file->Read(text.DrivePointer(fileSize / sizeof(TChar)), fileSize);
CHECK text == _fileName;
DeletePtr(file);
File::Delete(_fileName);
return result;
}
Bool TextFile::ReadAll(CStr fileName, String& text, Exception* out_ex)
{
ASSERT_PARAMETER(fileName);
Bool result = false;
File* file = File::Open(fileName, File::Disposition::OpenExisting, File::Access::AccessRead, File::Flags::ShareRead | File::Flags::OptimizeForSequentialAccess, out_ex);
if(file)
{
UInt fileSize = ToUInt(file->GetFileSize());
UInt length = fileSize / sizeof(TChar);
//If fileSize is odd then +1 will compensate the division rounding
if(fileSize % 2)
++fileSize;
text.Reserve(length);
TChar* buffer = text.DrivePointer(length);
result = file->Read(buffer, fileSize);
GALATEA_DELETE_PTR(file);
if(!result)
{
text.Clear();
text.Shrink();
}
}
return result;
}
Bool CreateTest()
{
Bool result = true;
File* file;
//File does not exists, create it and size will be 0 and SeekPos will be 0
File::Delete(_fileName);
CHECK (file = File::Create(_fileName));
CHECK file->GetFileSize() == 0;
CHECK file->GetSeekPos() == 0;
DeletePtr(file);
//File exists, create it and it will be truncated and SeekPos will be 0
CHECK (file = File::Create(_fileName));
CHECK file->GetFileSize() == 0;
CHECK file->GetSeekPos() == 0;
DeletePtr(file);
File::Delete(_fileName);
return result;
}
WaveData* WaveData::Create(CStr filename)
{
File* file;
ASSERT(file = File::Open(filename, File::Disposition::OpenExisting, File::Access::AccessRead, File::Flags::ShareRead));
auto buffer_size = file->GetFileSize();
auto buffer = Memory::Alloc(buffer_size);
ASSERT(file->Read(buffer, buffer_size));
delete file;
return Create(buffer, buffer_size);
Memory::Free(buffer);
}
String TextFile::ReadAll(CStr fileName)
{
Assert(fileName);
File* file;
String text;
UInt fileSize;
UInt length;
TChar* buffer;
file = File::OpenReadOnly(fileName);
if(file)
{
fileSize = ToUInt(file->GetFileSize());
length = fileSize / sizeof(TChar);
text.Reserve(length);
buffer = text.DrivePointer(length);
file->Read(buffer, fileSize);
DeletePtr(file);
}
return text;
}