public void DecompressStreamAsync_ThrowsException_WithUnsupportedCompression(TiffCompression compression)
{
var stream = new StreamBuilder(ByteOrder.LittleEndian).ToStream();
var e = Assert.Throws <NotSupportedException>(() => { TiffDecompressor.DecompressStreamAsync(stream, compression, 100, 100); });
Assert.Equal($"The compression format '{compression}' is not supported.", e.Message);
}
new byte[] { 0xAA, 0xAA, 0xAA, 0x80, 0x00, 0x2A, 0xAA, 0xAA, 0xAA, 0xAA, 0x80, 0x00, 0x2A, 0x22, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA })] // Apple PackBits sample
public async Task DecompressStreamAsync_DecompressData_PackBits(byte[] compressedData, byte[] uncompressedData)
{
var stream = new StreamBuilder(ByteOrder.LittleEndian)
.WriteBytes(compressedData)
.ToStream();
var data = await TiffDecompressor.DecompressStreamAsync(stream, TiffCompression.PackBits, compressedData.Length, uncompressedData.Length);
Assert.Equal(uncompressedData, data);
}
public async Task DecompressStreamAsync_DecompressData_NoCompression()
{
var stream = new StreamBuilder(ByteOrder.LittleEndian)
.WriteBytes(new byte[] { 10, 20, 30, 40, 50, 40, 30, 20, 10, 20, 40, 60, 80 })
.ToStream();
var data = await TiffDecompressor.DecompressStreamAsync(stream, TiffCompression.None, 11, 11);
Assert.Equal(new byte[] { 10, 20, 30, 40, 50, 40, 30, 20, 10, 20, 40 }, data);
}
public void SupportsCompression_ReturnsCorrectValue(TiffCompression compression, bool expectedResult)
{
var supported = TiffDecompressor.SupportsCompression(compression);
Assert.Equal(expectedResult, supported);
}