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Remove bit lib from gps.lua, add unittests

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This commit is contained in:
dmiller
2018-08-28 03:52:54 +00:00
parent 199c844d8a
commit 7c3b9b40d2
1 changed files with 9 additions and 2 deletions
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11
nselib/gps.lua
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@@ -1,7 +1,7 @@
local bit = require "bit"
local os = require "os"
local stdnse = require "stdnse"
local string = require "string"
local unittest = require "unittest"
_ENV = stdnse.module("gps", stdnse.seeall)
---
@@ -62,7 +62,7 @@ NMEA = {
checksum = function(str)
local val = 0
for c in str:sub(2,-4):gmatch(".") do
val = bit.bxor(val, string.byte(c))
val = val ~ string.byte(c)
end
if ( str:sub(-2):upper() ~= stdnse.tohex(string.char(val)):upper() ) then
@@ -116,4 +116,11 @@ Util = {
end
}
if not unittest.testing() then
return _ENV
end
test_suite = unittest.TestSuite:new()
test_suite:add_test(unittest.is_true(NMEA.checksum("$GPGLL,5300.97914,N,00259.98174,E,125926,A*28")), "valid checksum")
test_suite:add_test(unittest.is_false(NMEA.checksum("$XPGLL,5300.97914,N,00259.98174,E,125926,A*28")), "invalid checksum")
return _ENV;