},
			reverse: false,
		},
	}
	for i, tt := range tests {
		inCopy := make([]IPAddr, len(tt.in))
		copy(inCopy, tt.in)
		srcCopy := make([]netip.Addr, len(tt.in))
		copy(srcCopy, tt.srcs)
		sortByRFC6724withSrcs(inCopy, srcCopy)
		if !reflect.DeepEqual(inCopy, tt.want) {
			t.Errorf("test %d:\nin = %s\ngot: %s\nwant: %s\n", i, tt.in, inCopy, tt.want)
		}
		if tt.reverse {
			copy(inCopy, tt.in)

// Minimal RFC 6724 address selection.

package net

import (
	"net/netip"
	"sort"
)

func sortByRFC6724(addrs []IPAddr) {
	if len(addrs) < 2 {
		return
	}
	sortByRFC6724withSrcs(addrs, srcAddrs(addrs))
}

func sortByRFC6724withSrcs(addrs []IPAddr, srcs []netip.Addr) {
	if len(addrs) != len(srcs) {
		panic("internal error")
	}
	addrAttr := make([]ipAttr, len(addrs))
	srcAttr := make([]ipAttr, len(srcs))