-- Solution --------------------------------------------------------------------
function hexadecimal(x)
	-- Your implementation here
end

-- Tests -----------------------------------------------------------------------

local luaunit = require("luaunit.luaunit")

function test_hexadecimal_of_8_is_8()
	luaunit.assertEquals(hexadecimal(8), "8")
end

function test_hexadecimal_of_14_is_e()
	luaunit.assertEquals(hexadecimal(14), "e")
end

function test_hexadecimal_of_42_is_2a()
	luaunit.assertEquals(hexadecimal(42), "2a")
end

function test_hexadecimal_of_3735928559_is_deadbeef()
	luaunit.assertEquals(hexadecimal(3735928559), "deadbeef")
end

function test_hexadecimal_of_12648430_is_c0ffee()
	luaunit.assertEquals(hexadecimal(12648430), "c0ffee")
end

function test_hexadecimal_of_49374_is_c0de()
	luaunit.assertEquals(hexadecimal(49374), "c0de")
end

os.exit(luaunit.LuaUnit.run())