File

spec/util_bitcompat_spec.lua @ 13174:8ec7b7d6556f

util.cache: Keep eviction candidate if callback resized to make room Previously either the old or the new values would be rejected, even if the cache was resized to allow more items.
author Kim Alvefur <zash@zash.se>
date Fri, 30 Jun 2023 22:01:49 +0200
parent 12366:c640717e01ca
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);