prosody
cbd234461c41
spec/util_bitcompat_spec.lua

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spec/util_bitcompat_spec.lua @ 13847:cbd234461c41 13.0

mod_storage_internal: Fix queries with only start returning extra items Queries with start > last item would return one item, because there's some boundary condition in binary_search(). This is here fixed by always applying filters that omit items outside the requested range. See also 2374c7665d0b
author Kim Alvefur <zash@zash.se>
date Mon, 14 Apr 2025 15:10:29 +0200
parent 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);

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