File

spec/util_bitcompat_spec.lua @ 13532:9970d333a63f

mod_pubsub: Use error registry This is what util.error was made for! This replaces the custom error stanza builder with common code in util.stanza that knows enough about util.error and namespaced errors. Some awkwardness remains in the way util.pubsub returns conflicting form fields.
author Kim Alvefur <zash@zash.se>
date Sun, 27 Oct 2024 15:18:24 +0100
parent 13449:9912baa541c0
line wrap: on
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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);

	it("bnot works", function ()
		assert.equal(0x0000FF00, bit.band(0xFFFFFFFF, bit.bnot(0xFFFF00FF)));
	end);
end);