diff options
Diffstat (limited to 'tests/test_util_ip.lua')
| -rw-r--r-- | tests/test_util_ip.lua | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/test_util_ip.lua b/tests/test_util_ip.lua new file mode 100644 index 00000000..0ded1123 --- /dev/null +++ b/tests/test_util_ip.lua @@ -0,0 +1,89 @@ + +function match(match, _M) + local _ = _M.new_ip; + local ip = _"10.20.30.40"; + assert_equal(match(ip, _"10.0.0.0", 8), true); + assert_equal(match(ip, _"10.0.0.0", 16), false); + assert_equal(match(ip, _"10.0.0.0", 24), false); + assert_equal(match(ip, _"10.0.0.0", 32), false); + + assert_equal(match(ip, _"10.20.0.0", 8), true); + assert_equal(match(ip, _"10.20.0.0", 16), true); + assert_equal(match(ip, _"10.20.0.0", 24), false); + assert_equal(match(ip, _"10.20.0.0", 32), false); + + assert_equal(match(ip, _"0.0.0.0", 32), false); + assert_equal(match(ip, _"0.0.0.0", 0), true); + assert_equal(match(ip, _"0.0.0.0"), false); + + assert_equal(match(ip, _"10.0.0.0", 255), false, "excessive number of bits"); + assert_equal(match(ip, _"10.0.0.0", -8), true, "negative number of bits"); + assert_equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits"); + assert_equal(match(ip, _"10.0.0.0", 0), true, "zero bits"); + assert_equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)"); + assert_equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)"); + + assert_equal(match(_"127.0.0.1", _"127.0.0.1"), true, "simple ip"); + + assert_equal(match(_"8.8.8.8", _"8.8.0.0", 16), true); + assert_equal(match(_"8.8.4.4", _"8.8.0.0", 16), true); +end + +function parse_cidr(parse_cidr, _M) + local new_ip = _M.new_ip; + + assert_equal(new_ip"0.0.0.0", new_ip"0.0.0.0") + + local function assert_cidr(cidr, ip, bits) + local parsed_ip, parsed_bits = parse_cidr(cidr); + assert_equal(new_ip(ip), parsed_ip, cidr.." parsed ip is "..ip); + assert_equal(bits, parsed_bits, cidr.." parsed bits is "..tostring(bits)); + end + assert_cidr("0.0.0.0", "0.0.0.0", nil); + assert_cidr("127.0.0.1", "127.0.0.1", nil); + assert_cidr("127.0.0.1/0", "127.0.0.1", 0); + assert_cidr("127.0.0.1/8", "127.0.0.1", 8); + assert_cidr("127.0.0.1/32", "127.0.0.1", 32); + assert_cidr("127.0.0.1/256", "127.0.0.1", 256); + assert_cidr("::/48", "::", 48); +end + +function new_ip(new_ip) + local v4, v6 = "IPv4", "IPv6"; + local function assert_proto(s, proto) + local ip = new_ip(s); + if proto then + assert_equal(ip and ip.proto, proto, "protocol is correct for "..("%q"):format(s)); + else + assert_equal(ip, nil, "address is invalid"); + end + end + assert_proto("127.0.0.1", v4); + assert_proto("::1", v6); + assert_proto("", nil); + assert_proto("abc", nil); + assert_proto(" ", nil); +end + +function commonPrefixLength(cpl, _M) + local new_ip = _M.new_ip; + local function assert_cpl6(a, b, len, v4) + local ipa, ipb = new_ip(a), new_ip(b); + if v4 then len = len+96; end + assert_equal(cpl(ipa, ipb), len, "common prefix length of "..a.." and "..b.." is "..len); + assert_equal(cpl(ipb, ipa), len, "common prefix length of "..b.." and "..a.." is "..len); + end + local function assert_cpl4(a, b, len) + return assert_cpl6(a, b, len, "IPv4"); + end + assert_cpl4("0.0.0.0", "0.0.0.0", 32); + assert_cpl4("255.255.255.255", "0.0.0.0", 0); + assert_cpl4("255.255.255.255", "255.255.0.0", 16); + assert_cpl4("255.255.255.255", "255.255.255.255", 32); + assert_cpl4("255.255.255.255", "255.255.255.255", 32); + + assert_cpl6("::1", "::1", 128); + assert_cpl6("abcd::1", "abcd::1", 128); + assert_cpl6("abcd::abcd", "abcd::", 112); + assert_cpl6("abcd::abcd", "abcd::abcd:abcd", 96); +end |