File

spec/util_table_spec.lua @ 13535:88cab98aa28c

mod_pubsub: Move precondition error wrangling out of util.pubsub Removes dependency on util.error from util.pubsub which was only used for this one special case. Line count reduction! Would be even nicer if templating could be done by util.error itself.
author Kim Alvefur <zash@zash.se>
date Tue, 29 Oct 2024 14:56:02 +0100 (9 months ago)
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);