File

spec/util_table_spec.lua @ 13114:025c38ee885d

util.dependencies: Print tables itself to reduce number of imports Rationale: See diffstat When this module is imported, it ends up calling stty via term_width() in util.human.io.table(). When this happens outside of a terminal, the following message is sent to stdout: stty: 'standard input': Inappropriate ioctl for device Not importing this module avoids that. Furthermore three is value in this module having minimal dependencies as they might not be available when it does the checks. Ref a1fed82c44b9
author Kim Alvefur <zash@zash.se>
date Fri, 26 May 2023 21:18:27 +0200
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);