File

spec/util_bitcompat_spec.lua @ 13148:c6f46f33cecf

mod_storage_sql: Record all SQLite3 compile options for potential use Knowing what features are available could be useful for future experiments. For example, with the JSON module or full text search.
author Kim Alvefur <zash@zash.se>
date Sat, 10 Jun 2023 14:01:56 +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);