mirror of
https://github.com/SleepingInsomniac/pixelfaucet
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24 lines
513 B
Crystal
24 lines
513 B
Crystal
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require "./spec_helper"
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require "../src/pixel"
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include PF
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describe Pixel do
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describe "#initialize" do
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it "breaks out a UInt32 into rgba components" do
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p = Pixel.new(0x11223344)
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p.r.should eq(0x11_u8)
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p.g.should eq(0x22_u8)
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p.b.should eq(0x33_u8)
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p.a.should eq(0x44_u8)
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end
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end
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describe "#to_u32" do
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it "combines components into a UInt32 value" do
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p = Pixel.new(0x11_u8, 0x22_u8, 0x33_u8, 0x44_u8)
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p.to_u32.should eq(0x11223344_u32)
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end
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end
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end
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