public void InvalidDiskSize(int diskSizeMiB, TOSVersion tosVersion)
{
AtariDiskSettings diskSettings = new AtariDiskSettings()
{
DiskSizeMiB = diskSizeMiB,
DiskTOSCompatibility = tosVersion,
RootDirectorySectors = 8
};
Assert.That(() => { new DiskParameters(".", diskSettings, _logger.Object); },
Throws.TypeOf <ArgumentException>()
.With.Message.Contains($"{diskSizeMiB}MiB is larger than the maximum possible disk size"));
}
public void GetDiskClusters(int diskSizeMiB, int expectedClusters, TOSVersion tosVersion)
{
AtariDiskSettings diskSettings = new AtariDiskSettings()
{
DiskSizeMiB = diskSizeMiB,
DiskTOSCompatibility = tosVersion,
RootDirectorySectors = 8
};
diskParams = new DiskParameters(".", diskSettings, _logger.Object);
int diskClusters = diskParams.DiskClusters;
Assert.AreEqual(expectedClusters, diskClusters);
}
public void GetBytesPerSector(int diskSizeMiB, int expectedBytesPerSector, TOSVersion tosVersion)
{
AtariDiskSettings diskSettings = new AtariDiskSettings()
{
DiskSizeMiB = diskSizeMiB,
DiskTOSCompatibility = tosVersion,
RootDirectorySectors = 8
};
diskParams = new DiskParameters(".", diskSettings, _logger.Object);
int bytesPerSector = diskParams.BytesPerSector;
Assert.AreEqual(expectedBytesPerSector, bytesPerSector);
}
public void GetSectorsPerFat(int diskSizeMiB, int expectedSectorsPerFat, TOSVersion tosVersion)
{
AtariDiskSettings diskSettings = new AtariDiskSettings()
{
DiskSizeMiB = diskSizeMiB,
DiskTOSCompatibility = tosVersion,
RootDirectorySectors = 8
};
diskParams = new DiskParameters(".", diskSettings, _logger.Object);
int sectorsPerFat = diskParams.SectorsPerFat;
Assert.AreEqual(expectedSectorsPerFat, sectorsPerFat);
}
public void ValidDiskSizes(TOSVersion tosVersion, int expectedMaxDiskSizeBytes)
{
var maxDiskSizeBytes = FAT16Helper.MaxDiskSizeBytes(tosVersion, _sectorsPerCluster);
Assert.AreEqual(expectedMaxDiskSizeBytes, maxDiskSizeBytes);
}
public static int MaxDiskSizeBytes(TOSVersion tosVersion, int sectorsPerCluster)
{
return(MaxDiskClusters(tosVersion) * (MaxSectorSize * sectorsPerCluster));
}
public static int MaxDiskClusters(TOSVersion minimumTOSVersion)
{
return(minimumTOSVersion == TOSVersion.TOS100 ? 0x3FFF : 0x7FFF);
}
