File

spec/util_bitcompat_spec.lua @ 13195:1a59a40c6443

tools: Add mod2spec.sh, turns util.example into spec/util_example_spec.lua Useful for opening a module and its tests at the same, can be awkward to auto-complete sometimes. sensible-editor util/example.lua $(./tools/mod2spec.sh util.example)
author Kim Alvefur <zash@zash.se>
date Sun, 16 Jul 2023 18:33:53 +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);