public void WriteMarker_WritesToPlacedPosition()
{
using var stream = new MemoryStream();
using (var writer = new TiffStreamWriter(stream))
{
writer.Write(0x11111111);
long marker = writer.PlaceMarker();
writer.Write(0x33333333);
writer.WriteMarker(marker, 0x12345678);
writer.Write(0x44444444);
}
Assert.Equal(
new byte[]
{
0x11, 0x11, 0x11, 0x11,
0x78, 0x56, 0x34, 0x12,
0x33, 0x33, 0x33, 0x33,
0x44, 0x44, 0x44, 0x44
},
stream.ToArray());
}
public void Position_EqualsTheStreamPosition(byte[] data, long expectedResult)
{
using var stream = new MemoryStream();
using var writer = new TiffStreamWriter(stream);
writer.Write(data);
Assert.Equal(writer.Position, expectedResult);
}
public void Write_WritesUInt32()
{
using var stream = new MemoryStream();
using var writer = new TiffStreamWriter(stream);
writer.Write(12345678U);
Assert.Equal(new byte[] { 0x4E, 0x61, 0xBC, 0x00 }, stream.ToArray());
}
public void Write_WritesUInt16()
{
using var stream = new MemoryStream();
using var writer = new TiffStreamWriter(stream);
writer.Write(1234);
Assert.Equal(new byte[] { 0xD2, 0x04 }, stream.ToArray());
}
public void Write_WritesByteArray()
{
using var stream = new MemoryStream();
using var writer = new TiffStreamWriter(stream);
writer.Write(new byte[] { 2, 4, 6, 8 });
Assert.Equal(new byte[] { 2, 4, 6, 8 }, stream.ToArray());
}