File

spec/util_encodings_spec.lua @ 12763:d26eefe98d09

util.dbuffer: Add efficient shortcuts for discard() in certain cases If the buffer is already empty, nothing to do. If we're throwing away the whole buffer, we can just empty it and avoid read_chunk() (which in turn may collapse()). These shortcuts are much more efficient.
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Oct 2022 11:37:55 +0100
parent 8373:af7b41a0ec9e
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local encodings = require "util.encodings";
local utf8 = assert(encodings.utf8, "no encodings.utf8 module");

describe("util.encodings", function ()
	describe("#encode()", function()
		it("should work", function ()
			assert.is.equal(encodings.base64.encode(""), "");
			assert.is.equal(encodings.base64.encode('coucou'), "Y291Y291");
			assert.is.equal(encodings.base64.encode("\0\0\0"), "AAAA");
			assert.is.equal(encodings.base64.encode("\255\255\255"), "////");
		end);
	end);
	describe("#decode()", function()
		it("should work", function ()
			assert.is.equal(encodings.base64.decode(""), "");
			assert.is.equal(encodings.base64.decode("="), "");
			assert.is.equal(encodings.base64.decode('Y291Y291'), "coucou");
			assert.is.equal(encodings.base64.decode("AAAA"), "\0\0\0");
			assert.is.equal(encodings.base64.decode("////"), "\255\255\255");
		end);
	end);
end);
describe("util.encodings.utf8", function()
	describe("#valid()", function()
		it("should work", function()

			for line in io.lines("spec/utf8_sequences.txt") do
				local data = line:match(":%s*([^#]+)"):gsub("%s+", ""):gsub("..", function (c) return string.char(tonumber(c, 16)); end)
				local expect = line:match("(%S+):");

				assert(expect == "pass" or expect == "fail", "unknown expectation: "..line:match("^[^:]+"));

				local valid = utf8.valid(data);
				assert.is.equal(valid, utf8.valid(data.." "));
				assert.is.equal(valid, expect == "pass", line);
			end

		end);
	end);
end);