public void GivenImage_Returns_PixelCount()
{
var imageInfo = new ImageInfo();
Assert.Equal(100, imageInfo.GetPixelCount(new Image {
Width = 10, Height = 10
}));
Assert.Equal(1000000, imageInfo.GetPixelCount(new Image {
Width = 1000, Height = 1000
}));
}
public void ImageFromPath_Returns_PixelCount()
{
var imageInfo = new ImageInfo();
var result = imageInfo.GetPixelCount("images/ape.jpg");
Assert.Equal(260652, result);
}
public void WrongPath_Throws_FileNotFoundException()
{
var imageInfo = new ImageInfo();
Assert.Throws <FileNotFoundException>(() => imageInfo.GetPixelCount("images/ape-not-found.jpg"));
}
public void EmptyImagePath_Throws_ArgumentOutOfRangeException()
{
var imageInfo = new ImageInfo();
Assert.Throws <ArgumentOutOfRangeException>(() => imageInfo.GetPixelCount(string.Empty));
}