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net_test.go
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net_test.go
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package patricia
import (
"net"
"net/netip"
"testing"
"github.com/stretchr/testify/assert"
)
func TestParseIPFromString(t *testing.T) {
var v4IP *IPv4Address
var v6IP *IPv6Address
var err error
_, _, err = ParseIPFromString("sdfkjsdfdsfd")
assert.Error(t, err)
_, _, err = ParseIPFromString("")
assert.Error(t, err)
v4IP, v6IP, err = ParseIPFromString("0.0.0.0/0")
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(0), v4IP.Length)
assert.Nil(t, v6IP)
v4IP, v6IP, err = ParseIPFromString("127.0.0.1")
assert.NoError(t, err)
assert.Equal(t, uint(32), v4IP.Length)
assert.NotNil(t, v4IP)
assert.Nil(t, v6IP)
_, _, err = ParseIPFromString("127.0.0.1/999")
assert.Error(t, err)
_, _, err = ParseIPFromString("127.0.0.1/33")
assert.Error(t, err)
v4IP, v6IP, err = ParseIPFromString("1.0.16.0/0")
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(0), v4IP.Length)
assert.Nil(t, v6IP)
v4IP, v6IP, err = ParseIPFromString("127.0.0.1/10")
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(10), v4IP.Length)
assert.Nil(t, v6IP)
v4IP, v6IP, err = ParseIPFromString("127.0.0.1/32")
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(32), v4IP.Length)
assert.Nil(t, v6IP)
v4IP, v6IP, err = ParseIPFromString("2001:0db8:85a3:0000:0000:8a2e:0370:7334/128")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x20010db885a30000), v6IP.Left)
assert.Equal(t, uint64(0x00008a2e03707334), v6IP.Right)
v4IP, v6IP, err = ParseIPFromString("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x20010db885a30000), v6IP.Left)
assert.Equal(t, uint64(0x00008a2e03707334), v6IP.Right)
_, _, err = ParseIPFromString("2001:0db8:85a3:0000:0000:8a2e:0370:7334/129")
assert.Error(t, err)
v4IP, v6IP, err = ParseIPFromString("2001:0db8:85a3:0000:0000:8a2e:0370:7334/16")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(16), v6IP.Length)
assert.Equal(t, uint64(0x2001000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0), v6IP.Right)
ip := net.ParseIP("2001:0db8:85a3:0000:0000:8a2e:0370:7334")
assert.NotNil(t, ip)
v4IP, v6IP, err = ParseFromIP(&ip)
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x20010db885a30000), v6IP.Left)
assert.Equal(t, uint64(0x00008a2e03707334), v6IP.Right)
ip = net.ParseIP("127.0.0.1")
assert.NotNil(t, ip)
v4IP, v6IP, err = ParseFromIP(&ip)
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(32), v4IP.Length)
assert.Equal(t, uint32(0x7f000001), v4IP.Address)
assert.Nil(t, v6IP)
_, ipr, _ := net.ParseCIDR("2001:0db8:85a3:0000:0000:8a2e:0370:7334/16")
v4IP, v6IP, err = ParseFromIPAddr(ipr)
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(16), v6IP.Length)
assert.Equal(t, uint64(0x2001000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0), v6IP.Right)
_, ipr, _ = net.ParseCIDR("127.0.0.1/10")
v4IP, v6IP, err = ParseFromIPAddr(ipr)
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(10), v4IP.Length)
assert.Nil(t, v6IP)
v4IP, v6IP, err = ParseIPFromString("::ffff:10.10.10.10/128")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0a0a), v6IP.Right)
v4IP, v6IP, err = ParseIPFromString("::ffff:10.10.10.10/120")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(120), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0a00), v6IP.Right)
v4IP, v6IP, err = ParseIPFromString("::ffff:10.10.10.10/118")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(118), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0800), v6IP.Right)
v4IP, v6IP, err = ParseIPFromString("::ffff:10.10.10.10")
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0a0a), v6IP.Right)
}
func TestParseIPFromNetIP(t *testing.T) {
addr := netip.MustParseAddr("::ffff:10.10.10.10")
v4IP, v6IP, err := ParseFromNetIPAddr(addr)
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0a0a), v6IP.Right)
addr = netip.MustParseAddr("127.0.0.1")
assert.NotNil(t, addr)
v4IP, v6IP, err = ParseFromNetIPAddr(addr)
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(32), v4IP.Length)
assert.Equal(t, uint32(0x7f000001), v4IP.Address)
assert.Nil(t, v6IP)
prefix := netip.MustParsePrefix("127.0.0.1/10")
v4IP, v6IP, err = ParseFromNetIPPrefix(prefix)
assert.NoError(t, err)
assert.NotNil(t, v4IP)
assert.Equal(t, uint(10), v4IP.Length)
assert.Nil(t, v6IP)
prefix = netip.MustParsePrefix("::ffff:10.10.10.10/128")
v4IP, v6IP, err = ParseFromNetIPPrefix(prefix)
assert.NoError(t, err)
assert.Nil(t, v4IP)
assert.NotNil(t, v6IP)
assert.Equal(t, uint(128), v6IP.Length)
assert.Equal(t, uint64(0x0000000000000000), v6IP.Left)
assert.Equal(t, uint64(0x0000ffff0a0a0a0a), v6IP.Right)
_, _, err = ParseFromNetIPAddr(netip.Addr{})
assert.Error(t, err)
_, _, err = ParseFromNetIPPrefix(netip.Prefix{})
assert.Error(t, err)
_, _, err = ParseFromNetIPAddr(netip.MustParseAddr("0.0.0.0"))
assert.Error(t, err)
}