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https://github.com/SquidDev-CC/CC-Tweaked
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d4b8650d21
This means we don't discard any value after nil, meaning that calls such as colors.combine(nil, 1, 2, 3) will error, rather than returning 0.
77 lines
3.1 KiB
Lua
77 lines
3.1 KiB
Lua
describe("The colors library", function()
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describe("colors.combine", function()
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it("validates arguments", function()
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expect.error(colors.combine, 1, nil):eq("bad argument #2 (expected number, got nil)")
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expect.error(colors.combine, 1, 1, nil):eq("bad argument #3 (expected number, got nil)")
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end)
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it("combines colours", function()
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expect(colors.combine()):eq(0)
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expect(colors.combine(colors.red, colors.brown, colors.green)):eq(0x7000)
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end)
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end)
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describe("colors.subtract", function()
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it("validates arguments", function()
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expect.error(colors.subtract, nil):eq("bad argument #1 (expected number, got nil)")
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expect.error(colors.subtract, 1, nil):eq("bad argument #2 (expected number, got nil)")
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expect.error(colors.subtract, 1, 1, nil):eq("bad argument #3 (expected number, got nil)")
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end)
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it("subtracts colours", function()
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expect(colors.subtract(0x7000, colors.green)):equals(0x5000)
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expect(colors.subtract(0x5000, colors.red)):equals(0x1000)
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end)
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it("does nothing when color is not present", function()
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expect(colors.subtract(0x1000, colors.red)):equals(0x1000)
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end)
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it("accepts multiple arguments", function()
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expect(colors.subtract(0x7000, colors.red, colors.green, colors.red)):equals(0x1000)
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end)
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end)
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describe("colors.test", function()
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it("validates arguments", function()
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expect.error(colors.test, nil):eq("bad argument #1 (expected number, got nil)")
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expect.error(colors.test, 1, nil):eq("bad argument #2 (expected number, got nil)")
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end)
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it("returns true when present", function()
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expect(colors.test(0x7000, colors.green)):equals(true)
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end)
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it("returns false when absent", function()
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expect(colors.test(0x5000, colors.green)):equals(false)
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end)
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it("allows multiple colors", function()
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expect(colors.test(0x7000, 0x5000)):equals(true)
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end)
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end)
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describe("colors.packRGB", function()
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it("validates arguments", function()
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expect.error(colors.packRGB, nil):eq("bad argument #1 (expected number, got nil)")
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expect.error(colors.packRGB, 1, nil):eq("bad argument #2 (expected number, got nil)")
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expect.error(colors.packRGB, 1, 1, nil):eq("bad argument #3 (expected number, got nil)")
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end)
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it("packs colours", function()
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expect(colors.packRGB(0.3, 0.5, 0.6)):equals(0x4c7f99)
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end)
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end)
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describe("colors.unpackRGB", function()
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it("validates arguments", function()
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expect.error(colors.unpackRGB, nil):eq("bad argument #1 (expected number, got nil)")
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end)
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it("unpacks colours", function()
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expect({ colors.unpackRGB(0x4c7f99) }):same { 0x4c / 0xFF, 0x7f / 0xFF, 0.6 }
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end)
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end)
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it("colors.rgb8", function()
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expect(colors.rgb8(0.3, 0.5, 0.6)):equals(0x4c7f99)
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expect({ colors.rgb8(0x4c7f99) }):same { 0x4c / 0xFF, 0x7f / 0xFF, 0.6 }
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end)
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end)
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