local bench = script and require(script.Parent.bench_support) or require("bench_support") bench.runCode(function() local src = string.rep("abcdefghijklmnopqrstuvwxyz", 100) local str = "" for i=1,1000 do str = string.upper(src) str = string.reverse(str) str = string.lower(str) end assert(#str) end, "string: reverse/upper/lower (large)") bench.runCode(function() local str = "" for i=1,100000 do src = "abcdefghijklmnopqrstuvwxyz" .. i str = string.upper(src) str = string.reverse(str) str = string.lower(str) end assert(#str) end, "string: reverse/upper/lower (unique)") bench.runCode(function() local str = "" for i=1,1000000 do str = string.rep("_", 19) end assert(#str) end, "string: rep (small)") bench.runCode(function() local str = "" for i=1,100 do str = string.rep("abcd", 100000) end assert(#str) end, "string: rep (large)")