File

spec/util_table_spec.lua @ 12983:4533c9b906b0

util.format: Tweak serialization of %q formatted entries Improves serialization of function references especially, the built-in default handling of that in util.serialization is not the most informative. Now, along with the function metatable from util.startup, the actual function can be found by filename and line number.
author Kim Alvefur <zash@zash.se>
date Sun, 26 Mar 2023 00:18:05 +0100
parent 12942:54756e3a54b9
line wrap: on
line source

local u_table = require "util.table";
describe("util.table", function ()
	describe("create()", function ()
		it("works", function ()
			-- Can't test the allocated sizes of the table, so what you gonna do?
			assert.is.table(u_table.create(1,1));
		end);
	end);

	describe("pack()", function ()
		it("works", function ()
			assert.same({ "lorem", "ipsum", "dolor", "sit", "amet", n = 5 }, u_table.pack("lorem", "ipsum", "dolor", "sit", "amet"));
		end);
	end);

	describe("move()", function ()
		it("works", function ()
			local t1 = { "apple", "banana", "carrot" };
			local t2 = { "cat", "donkey", "elephant" };
			local t3 = {};
			u_table.move(t1, 1, 3, 1, t3);
			u_table.move(t2, 1, 3, 3, t3);
			assert.same({ "apple", "banana", "cat", "donkey", "elephant" }, t3);
		end);
		it("supports overlapping regions", function ()
			do
				local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" };
				u_table.move(t1, 1, 3, 3);
				assert.same({ "apple", "banana", "apple", "banana", "carrot", "fig", "grapefruit" }, t1);
			end

			do
				local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" };
				u_table.move(t1, 1, 3, 2);
				assert.same({ "apple", "apple", "banana", "carrot", "endive", "fig", "grapefruit" }, t1);
			end

			do
				local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" };
				u_table.move(t1, 3, 5, 2);
				assert.same({ "apple", "carrot", "date", "endive", "endive", "fig", "grapefruit" }, t1);
			end

			do
				local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" };
				u_table.move(t1, 3, 5, 6);
				assert.same({ "apple", "banana", "carrot", "date", "endive", "carrot", "date", "endive" }, t1);
			end

			do
				local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" };
				u_table.move(t1, 3, 1, 3);
				assert.same({ "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }, t1);
			end
		end);
	end);
end);