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require 'ruby2d'
RSpec.describe Ruby2D::Image do
describe "#new" do
it "raises exception if image file doesn't exist" do
expect { Image.new('bad_image.png') }.to raise_error(Ruby2D::Error)
end
it "creates an image with a white filter by default" do
img = Image.new('test/media/colors.png')
expect(img.color).to be_a(Ruby2D::Color)
expect(img.color.r).to eq(1)
expect(img.color.g).to eq(1)
expect(img.color.b).to eq(1)
expect(img.color.a).to eq(1)
end
it "creates an image with options" do
img = Image.new(
'test/media/colors.png',
x: 10, y: 20, z: 30,
width: 40, height: 50, rotate: 60,
color: 'gray', opacity: 0.5
)
expect(img.path).to eq('test/media/colors.png')
expect(img.x).to eq(10)
expect(img.y).to eq(20)
expect(img.z).to eq(30)
expect(img.width).to eq(40)
expect(img.height).to eq(50)
expect(img.rotate).to eq(60)
expect(img.color.r).to eq(2/3.0)
expect(img.opacity).to eq(0.5)
end
end
describe "attributes" do
it "can be set and read" do
img = Image.new('test/media/colors.png')
img.x = 10
img.y = 20
img.z = 30
img.width = 40
img.height = 50
img.rotate = 60
img.color = 'gray'
img.opacity = 0.5
expect(img.x).to eq(10)
expect(img.y).to eq(20)
expect(img.z).to eq(30)
expect(img.width).to eq(40)
expect(img.height).to eq(50)
expect(img.rotate).to eq(60)
expect(img.color.r).to eq(2/3.0)
expect(img.opacity).to eq(0.5)
end
end
end
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