prosody
4d5549de27e6
spec/util_bitcompat_spec.lua

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spec/util_bitcompat_spec.lua @ 12777:4d5549de27e6

util.jsonpointer: Improve tests Result of mutation testing Remaining mutants are mostly relating to the math.type() fallback. Another case being that array[#array+1] == array[#array+2] and thus doesn't matter.
author Kim Alvefur <zash@zash.se>
date Wed, 19 Oct 2022 14:21:13 +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);