mirror of
https://github.com/tailscale/tailscale.git
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77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
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// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package netconv
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import (
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"net/netip"
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"testing"
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qt "github.com/frankban/quicktest"
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"inet.af/netaddr"
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)
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func TestAddr(t *testing.T) {
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c := qt.New(t)
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c.Assert(netip.Addr{}, qt.Equals, AsAddr(netaddr.IP{}))
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c.Assert(netaddr.IP{}, qt.Equals, AsIP(netip.Addr{}))
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// Cover IPv4, IPv6, 4in6, and zones.
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addrStrs := []string{
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"0.0.0.0",
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"123.45.67.89",
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"::",
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"fd7a:115c:a1e0:ab12:4843:cd96:626b:430b",
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"fd7a:115c:a1e0:ab12:4843:cd96:626b:430b%eth0",
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"::ffff:192.0.2.128",
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"::ffff:192.0.2.128%eth0",
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}
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for _, s := range addrStrs {
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ip := netaddr.MustParseIP(s)
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addr := netip.MustParseAddr(s)
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c.Assert(addr, qt.Equals, AsAddr(ip))
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c.Assert(ip, qt.Equals, AsIP(addr))
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}
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}
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func TestAddrPort(t *testing.T) {
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c := qt.New(t)
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c.Assert(netip.AddrPort{}, qt.Equals, AsAddrPort(netaddr.IPPort{}))
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c.Assert(netaddr.IPPort{}, qt.Equals, AsIPPort(netip.AddrPort{}))
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// Test just a single AddrPort conversion;
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// there's almost nothing happening in the code.
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portStr := "1.2.4.5:8"
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ipPort := netaddr.MustParseIPPort(portStr)
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ap := netip.MustParseAddrPort(portStr)
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c.Assert(ipPort, qt.Equals, AsIPPort(ap))
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c.Assert(ap, qt.Equals, AsAddrPort(ipPort))
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}
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func TestPrefix(t *testing.T) {
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c := qt.New(t)
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// The interesting Prefix cases are invalid bits.
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addr := netip.MustParseAddr("1.2.3.4")
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ip := AsIP(addr)
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tests := []struct {
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ipp netaddr.IPPrefix // input IPPrefix, output from converting pfx
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pfx netip.Prefix // input Prefix, output from converting ipp
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out netaddr.IPPrefix // output from converting pfx
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}{
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{netaddr.IPPrefix{}, netip.Prefix{}, netaddr.IPPrefix{}},
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{netaddr.IPPrefixFrom(ip, 24), netip.PrefixFrom(addr, 24), netaddr.IPPrefixFrom(ip, 24)},
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{netaddr.IPPrefixFrom(ip, 255), netip.PrefixFrom(addr, -1), netaddr.IPPrefixFrom(ip, 255)},
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{netaddr.IPPrefixFrom(ip, 204), netip.PrefixFrom(addr, -1), netaddr.IPPrefixFrom(ip, 255)},
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}
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for _, test := range tests {
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c.Assert(test.out, qt.Equals, AsIPPrefix(test.pfx))
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c.Assert(test.pfx, qt.Equals, AsPrefix(test.ipp))
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}
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}
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