public void WriteSegment_SegmentWithData()
{
var output = new MemoryStream();
var writer = new JpegSegmentWriter(new BinaryWriter(output));
var segment = new JpegSegment(JpegSegmentType.App1, new byte[] { 0x12, 0x34, 0x56 }, 0);
writer.WriteSegment(segment);
var result = output.ToArray();
CollectionAssert.AreEqual(
new byte[] { 0xFF, 0xE1, 0x00, 0x05, 0x12, 0x34, 0x56 },
result);
}
public void WriteSegment_SegmentWithoutData()
{
var output = new MemoryStream();
var writer = new JpegSegmentWriter(new BinaryWriter(output));
var segment = new JpegSegment(JpegSegmentType.Soi, new byte[0], 0);
writer.WriteSegment(segment);
var result = output.ToArray();
CollectionAssert.AreEqual(
new byte[] { 0xFF, 0xD8 },
result);
}
public void Finish_CopyDataIn2Blocks()
{
var output = new MemoryStream();
var writer = new JpegSegmentWriter(new BinaryWriter(output), 3);
var data = new MemoryStream(new byte[]
{
0x12, 0x34, 0x56, 0x78,
});
writer.Finish(data);
var result = output.ToArray();
CollectionAssert.AreEqual(
new byte[] {
0xFF, 0xDA, // start of scan
0x12, 0x34, 0x56, 0x78,
},
result);
}
