154 lines
5.5 KiB
Lua
154 lines
5.5 KiB
Lua
require 'mispec'
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local buffer, buffer1, buffer2
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local function initBuffer(buffer, ...)
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local i,v
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for i,v in ipairs({...}) do
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buffer:set(i, v, v*2, v*3, v*4)
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end
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return buffer
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end
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local function equalsBuffer(buffer1, buffer2)
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return eq(buffer1:dump(), buffer2:dump())
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end
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describe('WS2812 buffers', function(it)
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it:should('initialize a buffer', function()
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buffer = ws2812.newBuffer(9, 3)
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ko(buffer == nil)
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ok(eq(buffer:size(), 9), "check size")
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ok(eq(buffer:dump(), string.char(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)), "initialize with 0")
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failwith("should be a positive integer", ws2812.newBuffer, 9, 0)
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failwith("should be a positive integer", ws2812.newBuffer, 9, -1)
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failwith("should be a positive integer", ws2812.newBuffer, 0, 3)
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failwith("should be a positive integer", ws2812.newBuffer, -1, 3)
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end)
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it:should('have correct size', function()
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buffer = ws2812.newBuffer(9, 3)
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ok(eq(buffer:size(), 9), "check size")
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buffer = ws2812.newBuffer(9, 22)
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ok(eq(buffer:size(), 9), "check size")
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buffer = ws2812.newBuffer(13, 1)
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ok(eq(buffer:size(), 13), "check size")
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end)
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it:should('fill a buffer with one color', function()
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buffer = ws2812.newBuffer(3, 3)
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buffer:fill(1,222,55)
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ok(eq(buffer:dump(), string.char(1,222,55,1,222,55,1,222,55)), "RGB")
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buffer = ws2812.newBuffer(3, 4)
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buffer:fill(1,222,55, 77)
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ok(eq(buffer:dump(), string.char(1,222,55,77,1,222,55,77,1,222,55,77)), "RGBW")
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end)
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it:should('replace correctly', function()
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buffer = ws2812.newBuffer(5, 3)
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buffer:replace(string.char(3,255,165,33,0,244,12,87,255))
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ok(eq(buffer:dump(), string.char(3,255,165,33,0,244,12,87,255,0,0,0,0,0,0)), "RGBW")
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buffer = ws2812.newBuffer(5, 3)
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buffer:replace(string.char(3,255,165,33,0,244,12,87,255), 2)
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ok(eq(buffer:dump(), string.char(0,0,0,3,255,165,33,0,244,12,87,255,0,0,0)), "RGBW")
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buffer = ws2812.newBuffer(5, 3)
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buffer:replace(string.char(3,255,165,33,0,244,12,87,255), -5)
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ok(eq(buffer:dump(), string.char(3,255,165,33,0,244,12,87,255,0,0,0,0,0,0)), "RGBW")
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failwith("Does not fit into destination", function() buffer:replace(string.char(3,255,165,33,0,244,12,87,255), 4) end)
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end)
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it:should('replace correctly issue #2921', function()
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local buffer = ws2812.newBuffer(5, 3)
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buffer:replace(string.char(3,255,165,33,0,244,12,87,255), -7)
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ok(eq(buffer:dump(), string.char(3,255,165,33,0,244,12,87,255,0,0,0,0,0,0)), "RGBW")
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end)
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it:should('get/set correctly', function()
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buffer = ws2812.newBuffer(3, 4)
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buffer:fill(1,222,55,13)
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ok(eq({buffer:get(2)},{1,222,55,13}))
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buffer:set(2, 4,53,99,0)
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ok(eq({buffer:get(1)},{1,222,55,13}))
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ok(eq({buffer:get(2)},{4,53,99,0}))
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ok(eq(buffer:dump(), string.char(1,222,55,13,4,53,99,0,1,222,55,13)), "RGBW")
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failwith("index out of range", function() buffer:get(0) end)
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failwith("index out of range", function() buffer:get(4) end)
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failwith("index out of range", function() buffer:set(0,1,2,3,4) end)
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failwith("index out of range", function() buffer:set(4,1,2,3,4) end)
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failwith("number expected, got no value", function() buffer:set(2,1,2,3) end)
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-- failwith("extra values given", function() buffer:set(2,1,2,3,4,5) end)
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end)
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it:should('fade correctly', function()
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buffer = ws2812.newBuffer(1, 3)
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buffer:fill(1,222,55)
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buffer:fade(2)
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ok(buffer:dump() == string.char(0,111,27), "RGB")
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buffer:fill(1,222,55)
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buffer:fade(3, ws2812.FADE_OUT)
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ok(buffer:dump() == string.char(0,222/3,55/3), "RGB")
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buffer:fill(1,222,55)
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buffer:fade(3, ws2812.FADE_IN)
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ok(buffer:dump() == string.char(3,255,165), "RGB")
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buffer = ws2812.newBuffer(1, 4)
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buffer:fill(1,222,55, 77)
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buffer:fade(2, ws2812.FADE_OUT)
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ok(eq(buffer:dump(), string.char(0,111,27,38)), "RGBW")
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end)
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it:should('mix correctly issue #1736', function()
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buffer1 = ws2812.newBuffer(1, 3)
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buffer2 = ws2812.newBuffer(1, 3)
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buffer1:fill(10,22,54)
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buffer2:fill(10,27,55)
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buffer1:mix(256/8*7,buffer1,256/8,buffer2)
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ok(eq({buffer1:get(1)}, {10,23,54}))
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end)
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it:should('mix saturation correctly ', function()
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buffer1 = ws2812.newBuffer(1, 3)
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buffer2 = ws2812.newBuffer(1, 3)
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buffer1:fill(10,22,54)
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buffer2:fill(10,27,55)
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buffer1:mix(256/2,buffer1,-256,buffer2)
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ok(eq({buffer1:get(1)}, {0,0,0}))
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buffer1:fill(10,22,54)
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buffer2:fill(10,27,55)
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buffer1:mix(25600,buffer1,256/8,buffer2)
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ok(eq({buffer1:get(1)}, {255,255,255}))
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buffer1:fill(10,22,54)
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buffer2:fill(10,27,55)
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buffer1:mix(-257,buffer1,255,buffer2)
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ok(eq({buffer1:get(1)}, {0,5,1}))
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end)
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it:should('mix with strings correctly ', function()
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buffer1 = ws2812.newBuffer(1, 3)
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buffer2 = ws2812.newBuffer(1, 3)
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buffer1:fill(10,22,54)
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buffer2:fill(10,27,55)
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buffer1:mix(-257,buffer1:dump(),255,buffer2:dump())
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ok(eq({buffer1:get(1)}, {0,5,1}))
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end)
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it:should('power', function()
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buffer = ws2812.newBuffer(2, 4)
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buffer:fill(10,22,54,234)
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ok(eq(buffer:power(), 2*(10+22+54+234)))
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end)
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end)
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mispec.run()
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