File

spec/util_bitcompat_spec.lua @ 13213:50324f66ca2a

plugins: Use integer config API with interval specification where sensible Many of these fall into a few categories: - util.cache size, must be >= 1 - byte or item counts that logically can't be negative - port numbers that should be in 1..0xffff
author Kim Alvefur <zash@zash.se>
date Mon, 17 Jul 2023 01:38:54 +0200
parent 12366:c640717e01ca
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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);