public void FromHandleTest()
{
using (var profile = Profile.CreatePlaceholder(null))
{
uint expectedFlag = 0;
uint expectedNChannels = 1;
ScreeningChannel[] expectedChannels = new ScreeningChannel[16];
expectedChannels[0].Frequency = 2.0;
expectedChannels[0].ScreenAngle = 3.0;
expectedChannels[0].SpotShape = SpotShape.Ellipse;
// Act
var expected = new Screening(expectedFlag, expectedNChannels, expectedChannels);
int size = Marshal.SizeOf(expected);
IntPtr data = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(expected, data, false);
try
{
profile.WriteTag(TagSignature.Screening, data);
var tag = profile.ReadTag(TagSignature.Screening);
// Act
var target = Screening.FromHandle(tag);
var actualFlag = target.Flag;
var actualNChannels = target.nChannels;
var actualChannels = target.Channels;
// Assert
Assert.AreEqual(expectedFlag, actualFlag);
Assert.AreEqual(expectedNChannels, actualNChannels);
for (int i = 0; i < 16; i++)
{
Assert.AreEqual(expectedChannels[i], actualChannels[i]);
}
}
finally
{
Marshal.FreeHGlobal(data);
}
}
}
