1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
RSpec.describe Magick::Image, "#add_noise_channel" do
it "works" do
image = described_class.new(20, 20)
expect { image.add_noise_channel(Magick::UniformNoise) }.not_to raise_error
expect { image.add_noise_channel(Magick::UniformNoise, Magick::RedChannel) }.not_to raise_error
expect { image.add_noise_channel(Magick::GaussianNoise, Magick::BlueChannel) }.not_to raise_error
expect { image.add_noise_channel(Magick::ImpulseNoise, Magick::GreenChannel) }.not_to raise_error
expect { image.add_noise_channel(Magick::LaplacianNoise, Magick::RedChannel, Magick::GreenChannel) }.not_to raise_error
expect { image.add_noise_channel(Magick::PoissonNoise, Magick::RedChannel, Magick::GreenChannel, Magick::BlueChannel) }.not_to raise_error
# Not a NoiseType
expect { image.add_noise_channel(1) }.to raise_error(TypeError)
# Not a ChannelType
expect { image.add_noise_channel(Magick::UniformNoise, Magick::RedChannel, 1) }.to raise_error(TypeError)
# Too few arguments
expect { image.add_noise_channel }.to raise_error(ArgumentError)
end
end
|
