File

spec/util_bitcompat_spec.lua @ 13431:4698f1e36e02

util.ip: Remove ip.bits and related code, switch to more efficient strbitop 100,000 iterations of match() on my laptop from 3.5s -> 0.5s.
author Matthew Wild <mwild1@gmail.com>
date Fri, 23 Feb 2024 12:14:51 +0000 (18 months ago)
parent 12366:c640717e01ca
child 13449:9912baa541c0
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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);