public async Task ThrowsForIncorrectTypes(Type type)
{
var service = new StreamImageSourceService();
var imageSource = (ImageSourceStub)Activator.CreateInstance(type);
await Assert.ThrowsAsync <InvalidCastException>(() => service.GetImageAsync(imageSource));
}
public async Task GetImageAsync(string colorHex)
{
var expectedColor = Color.FromArgb(colorHex).ToNative();
var service = new StreamImageSourceService();
var imageSource = new StreamImageSourceStub(CreateBitmapStream(100, 100, expectedColor));
using var drawable = await service.GetImageAsync(imageSource);
var image = Assert.IsType <UIImage>(drawable.Value);
image.AssertColorAtCenter(expectedColor);
}
public async Task GetDrawableAsync(string colorHex)
{
var expectedColor = Color.FromArgb(colorHex).ToNative();
var service = new StreamImageSourceService();
var imageSource = new StreamImageSourceStub(CreateBitmapStream(100, 100, expectedColor));
using var drawable = await service.GetDrawableAsync(imageSource, Platform.DefaultContext);
var bitmapDrawable = Assert.IsType <BitmapDrawable>(drawable.Value);
var bitmap = bitmapDrawable.Bitmap;
bitmap.AssertColorAtCenter(expectedColor);
}
