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39 lines
1008 B
Lua
39 lines
1008 B
Lua
-- Copyright (C) 2019 Igara Studio S.A.
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--
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-- This file is released under the terms of the MIT license.
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-- Read LICENSE.txt for more information.
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function expect_eq(a, b)
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if a ~= b then
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print(debug.traceback())
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print('Expected A == B but:')
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print(' - Value A = ' .. tostring(a))
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print(' - Value B = ' .. tostring(b))
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assert(a == b)
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end
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end
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function expect_img(image, expectedPixels)
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local w = image.width
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local h = image.height
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for y=0,h-1 do
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for x=0,w-1 do
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local value = image:getPixel(x, y)
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local expected = expectedPixels[1+y*w+x]
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if value ~= expected then
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print('Image(' .. tostring(w) .. 'x' .. tostring(h) .. ') = {')
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for v=0,h-1 do
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lineStr = ' '
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for u=0,w-1 do
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lineStr = lineStr .. image:getPixel(u, v) .. ','
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end
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print(lineStr)
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end
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print('}')
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print('In pixel (' .. x .. ', ' .. y .. '):')
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expect_eq(value, expected)
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end
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end
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end
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end
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