File

spec/util_bitcompat_spec.lua @ 13032:ea4923bebca9

util.array: Change tostring format to [a,b,c] Arrays in Lua do use { } but since __tostring is often user-facing it seems sensible to use [ ] instead for consistency with many other systems; as well as to allow the {a,b,c} formatting to be used by util.set without being confused with util.array.
author Kim Alvefur <zash@zash.se>
date Thu, 06 Apr 2023 16:27:37 +0200
parent 12366:c640717e01ca
child 13449:9912baa541c0
line wrap: on
line source

describe("util.bitcompat", function ()
	-- bitcompat will pass through to an appropriate implementation. Our
	-- goal here is to check that whatever implementation is in use passes
	-- these basic sanity checks.

	local bit = require "util.bitcompat";

	it("bor works", function ()
		assert.equal(0xF0FF, bit.bor(0xF000, 0x00F0, 0x000F));
	end);

	it("band works", function ()
		assert.equal(0x0F, bit.band(0xFF, 0x1F, 0x0F));
	end);

	it("bxor works", function ()
		assert.equal(0x13, bit.bxor(0x10, 0x0F, 0x0C));
	end);

	it("rshift works", function ()
		assert.equal(0x0F, bit.rshift(0xFF, 4));
	end);

	it("lshift works", function ()
		assert.equal(0xFF00, bit.lshift(0xFF, 8));
	end);
end);