150 lines
4.5 KiB
Lua
150 lines
4.5 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('shift LOGICAL', function()
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(4, 4)
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,0,0,7,8)
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buffer1:shift(2)
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ok(equalsBuffer(buffer1, buffer2), "shift right")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,9,12,0,0)
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buffer1:shift(-2)
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ok(equalsBuffer(buffer1, buffer2), "shift left")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,7,0,8,12)
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buffer1:shift(1, nil, 2,3)
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ok(equalsBuffer(buffer1, buffer2), "shift middle right")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,7,9,0,12)
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buffer1:shift(-1, nil, 2,3)
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ok(equalsBuffer(buffer1, buffer2), "shift middle left")
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-- bounds checks, handle gracefully as string:sub does
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,8,9,12,0)
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buffer1:shift(-1, ws2812.SHIFT_LOGICAL, 0,5)
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ok(equalsBuffer(buffer1, buffer2), "shift left out of bound")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,0,7,8,9)
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buffer1:shift(1, ws2812.SHIFT_LOGICAL, 0,5)
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ok(equalsBuffer(buffer1, buffer2), "shift right out of bound")
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end)
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it:should('shift LOGICAL issue #2946', function()
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(4, 4)
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,0,0,0,0)
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buffer1:shift(4)
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ok(equalsBuffer(buffer1, buffer2), "shift all right")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,0,0,0,0)
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buffer1:shift(-4)
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ok(equalsBuffer(buffer1, buffer2), "shift all left")
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failwith("shifting more elements than buffer size", function() buffer1:shift(10) end)
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failwith("shifting more elements than buffer size", function() buffer1:shift(-6) end)
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end)
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it:should('shift CIRCULAR', function()
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(4, 4)
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,9,12,7,8)
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buffer1:shift(2, ws2812.SHIFT_CIRCULAR)
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ok(equalsBuffer(buffer1, buffer2), "shift right")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,9,12,7,8)
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buffer1:shift(-2, ws2812.SHIFT_CIRCULAR)
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ok(equalsBuffer(buffer1, buffer2), "shift left")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,7,9,8,12)
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buffer1:shift(1, ws2812.SHIFT_CIRCULAR, 2,3)
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ok(equalsBuffer(buffer1, buffer2), "shift middle right")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,7,9,8,12)
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buffer1:shift(-1, ws2812.SHIFT_CIRCULAR, 2,3)
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ok(equalsBuffer(buffer1, buffer2), "shift middle left")
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-- bounds checks, handle gracefully as string:sub does
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,8,9,12,7)
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buffer1:shift(-1, ws2812.SHIFT_CIRCULAR, 0,5)
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ok(equalsBuffer(buffer1, buffer2), "shift left out of bound")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,12,7,8,9)
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buffer1:shift(1, ws2812.SHIFT_CIRCULAR, 0,5)
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ok(equalsBuffer(buffer1, buffer2), "shift right out of bound")
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,12,7,8,9)
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buffer1:shift(1, ws2812.SHIFT_CIRCULAR, -12,12)
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ok(equalsBuffer(buffer1, buffer2), "shift right way out of bound")
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end)
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it:should('sub', function()
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(4, 4)
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initBuffer(buffer1,7,8,9,12)
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buffer1 = buffer1:sub(4,3)
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ok(eq(buffer1:size(), 0), "sub empty")
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(2, 4)
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,9,12)
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buffer1 = buffer1:sub(3,4)
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ok(equalsBuffer(buffer1, buffer2), "sub")
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buffer1 = ws2812.newBuffer(4, 4)
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buffer2 = ws2812.newBuffer(4, 4)
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initBuffer(buffer1,7,8,9,12)
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initBuffer(buffer2,7,8,9,12)
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buffer1 = buffer1:sub(-12,33)
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ok(equalsBuffer(buffer1, buffer2), "out of bounds")
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end)
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--[[
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ws2812.buffer:__concat()
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--]]
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end)
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mispec.run()
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