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local lpeg = require "lpeg"
describe("IPv6 Addresses", function()
local IPv6address = require "lpeg_patterns.IPv6".IPv6address
local IPv6address_only = IPv6address * lpeg.P(-1)
it("Addresses are parsed correctly", function()
local function same(str, ...)
local addr = IPv6address_only:match(str)
assert(addr, "Could not parse " .. str)
assert.same({...}, {addr:unpack()})
end
same("::", 0,0,0,0,0,0,0,0)
same("::0.0.0.0", 0,0,0,0,0,0,0,0)
same("::0:0.0.0.0", 0,0,0,0,0,0,0,0)
same("0::0.0.0.0", 0,0,0,0,0,0,0,0)
same("::1", 0,0,0,0,0,0,0,1)
same("ff02::1", 0xff02,0,0,0,0,0,0,1)
same("2001:0db8:85a3:0042:1000:8a2e:0370:7334",
0x2001, 0x0db8, 0x85a3, 0x0042, 0x1000, 0x8a2e, 0x0370, 0x7334)
same("::FFFF:204.152.189.116", 0, 0, 0, 0, 0, 0xFFFF, 204*256+152, 189*256+116)
end)
it("Non-addresses fail parsing", function()
assert.falsy(IPv6address_only:match"")
assert.falsy(IPv6address_only:match"not an ip")
assert.falsy(IPv6address_only:match"::x")
assert.falsy(IPv6address_only:match"x::")
assert.falsy(IPv6address_only:match":::")
assert.falsy(IPv6address_only:match":1::")
-- Two ::
assert.falsy(IPv6address_only:match"1234::5678::")
-- Invalid IPv4
assert.falsy(IPv6address_only:match"::FFFF:0.0.0")
assert.falsy(IPv6address_only:match"::FFFF:0.999.0.0")
end)
end)
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