public void CreateBlock_InvalidChecksum()
{
var blocktype = DragonTapeBlockType.Header;
var payload = new byte[] { 66, 65, 82, 66, 65, 82, 32, 32, 2, 0, 0, 195, 80, 39, 16 };
var checksum = 0;
var block = DragonTapeBlock.CreateBlock(blocktype, payload, 0, payload.Length, checksum);
Assert.Equal(blocktype, block.BlockType);
Assert.Equal(checksum, block.Checksum);
Assert.Equal(payload.Length, block.Length);
var data = block.Data;
for (int i = 0; i < data.Length; i++)
{
Assert.Equal(payload[i], data[i]);
}
try
{
block.Validate();
Assert.True(false, "This block has an invalid checksum and should not pass validation.");
}
catch (InvalidBlockChecksumException) {}
}
public void CreateBlock_FileHeader()
{
var blocktype = DragonTapeBlockType.Header;
var payload = new byte[] { 66, 65, 82, 66, 65, 82, 32, 32, 2, 0, 0, 195, 80, 39, 16 };
var checksum = 0x45;
var block = DragonTapeBlock.CreateBlock(blocktype, payload, 0, payload.Length, checksum);
Assert.Equal(blocktype, block.BlockType);
Assert.Equal(checksum, block.Checksum);
Assert.Equal(payload.Length, block.Length);
var data = block.Data;
for (int i = 0; i < payload.Length; i++)
{
Assert.Equal(payload[i], data[i]);
}
Assert.True(block is DragonTapeHeaderBlock);
var header = (DragonTapeHeaderBlock)block;
Assert.Equal("BARBAR", header.Filename);
Assert.Equal(DragonFileType.MachineCode, header.FileType);
Assert.False(header.IsAscii);
Assert.False(header.IsGapped);
Assert.Equal(10000, header.LoadAddress);
Assert.Equal(50000, header.StartAddress);
block.Validate();
}
