127 lines
3.5 KiB
Lua
127 lines
3.5 KiB
Lua
local bright = string.char(27).."[1m"
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local dim = string.char(27).."[2m"
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local underscore = string.char(27).."[4m"
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local red = string.char(27).."[31m"
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local green = string.char(27).."[32m"
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local reset = string.char(27).."[0m"
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print(bright..underscore.."\nTesting with ".._VERSION..":"..reset)
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repr = function(t)
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local buff = tostring(t)
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if type(t) == 'table' then
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buff = "{"..buff.." "
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for k, v in pairs(t) do
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buff = buff..("%s = %s, "):format(k,v)
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end
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buff = buff.."}"
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end
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return buff
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end
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local num_errors = 0
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local test_number = 0
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local function test(description, fn)
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test_number = test_number + 1
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description = (bright.."% 3d. "..reset.."%s"):format(test_number, description)
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io.write(description)
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io.write(red)
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local ok, err = pcall(fn)
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if not ok then
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io.write(reset..dim.."\r..................................")
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io.write(reset.."["..bright..red.."FAILED"..reset.."]\r")
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io.write("\r"..description.."\n"..reset)
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print(reset..red..(err or "")..reset)
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num_errors = num_errors + 1
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else
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io.write(reset..dim.."\r..................................")
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io.write(reset.."["..green.."PASSED"..reset.."]\r")
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io.write(description.."\n")
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end
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end
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test("Loading module", function()
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immutable = require"immutable"
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end)
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test("Creating class", function()
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Vec = immutable({"x","y"}, {
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len2=function(self)
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return self.x*self.x + self.y*self.y
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end,
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}, {
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__add=function(self, other)
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local cls = getmetatable(self)
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return cls(self.x+other.x, self.y+other.y)
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end,
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__tostring=function(self)
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return "Vec("..tostring(self.x)..", "..tostring(self.y)..")"
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end,
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})
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end)
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test("Instantiating class", function()
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v = assert(Vec(1,3))
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end)
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test("Testing method", function()
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assert(v:len2() == 10)
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end)
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test("Testing tostring", function()
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assert(tostring(v) == "Vec(1, 3)")
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end)
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test("Testing singletons", function()
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also_v = Vec(1,3)
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assert(v == also_v)
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assert(tostring(v) == tostring(also_v))
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-- Hash collision in the current implementation
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not_v = Vec(true,3)
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assert(v ~= not_v)
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assert(tostring(not_v) == "Vec(true, 3)")
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also_not_v = Vec(true,3)
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assert(not_v == also_not_v)
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end)
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test("Testing __add metamethod", function()
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assert(v + Vec(5,6) == Vec(6,9))
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end)
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collectgarbage()
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test("Testing string members", function()
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Vec("hello", "world")
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end)
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test("Testing table members", function()
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Vec({}, {})
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end)
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test("Testing function members", function()
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Vec(function() end, function() end)
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end)
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test("Testing immutable members", function()
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Vec(v, v)
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end)
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collectgarbage()
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collectgarbage()
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test("Testing similar class", function()
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local FooVec = immutable({"x","y"}, {
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len2=function(self)
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return self.x*self.x + self.y*self.y
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end,
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}, {
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__add=function(self, other)
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local cls = getmetatable(self)
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return cls(self.x+other.x, self.y+other.y)
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end,
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__tostring=function(self)
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return "Vec("..tostring(self.x)..", "..tostring(self.y)..")"
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end,
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})
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assert(FooVec(1,1) ~= Vec(1,1))
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end)
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if num_errors == 0 then
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print(green.."All tests passed!"..reset)
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else
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print(bright..red.."*** "..tostring(num_errors).." test"..(num_errors > 1 and "s" or "").." failed! ***"..reset)
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io.write(reset)
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os.exit(false, true)
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end
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