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package netlink
import (
"syscall"
"testing"
)
type payloadTestCase struct {
name string
f func(c *Conn)
want []byte
}
// checkPayload runs multiple payloadTestCase against a stub conn and checks
// the outgoing message written to its buffer page.
func checkPayload(t *testing.T, testCases []payloadTestCase) {
t.Helper()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
t.Helper()
c := Conn{port: 1, pos: syscall.NLMSG_HDRLEN}
tc.f(&c)
if got := c.pending(); string(got) != string(tc.want) {
t.Errorf("pending: %#v, want %#v", got, tc.want)
}
})
}
}
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