private TestReadOnlySequence Append(byte[] value, int start, int length)
{
var next = new TestReadOnlySequence(value, start, length)
{
RunningIndex = RunningIndex + Memory.Length,
};
Next = next;
return(next);
}
public void ShouldSupportMultipleSegments()
{
using (var image = new MagickImage())
{
var bytes = File.ReadAllBytes(Files.SnakewarePNG);
var sequence = TestReadOnlySequence.Create(bytes, 5);
image.Read(sequence);
Assert.Equal(286, image.Width);
Assert.Equal(67, image.Height);
}
}
public static ReadOnlySequence <byte> Create(byte[] data, int sequenceSize)
{
var first = new TestReadOnlySequence(data, 0, sequenceSize);
var length = sequenceSize;
var last = first.Append(data, sequenceSize, length);
for (var i = sequenceSize + sequenceSize; i < data.Length; i += sequenceSize)
{
length = Math.Min(data.Length - i, sequenceSize);
last = last.Append(data, i, length);
}
return(new ReadOnlySequence <byte>(first, 0, last, length));
}
public void ShouldSupportMultipleSegments()
{
using (var image = new MagickImage())
{
var bytes = File.ReadAllBytes(Files.SnakewarePNG);
var sequence = TestReadOnlySequence.Create(bytes, 5);
image.Ping(sequence);
Assert.Equal(286, image.Width);
Assert.Equal(67, image.Height);
Assert.Throws <InvalidOperationException>(() => image.GetPixelsUnsafe());
}
}
