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package nltest_test
import (
"errors"
"os"
"testing"
"github.com/mdlayher/netlink"
"github.com/mdlayher/netlink/nltest"
"golang.org/x/sys/unix"
)
func TestLinuxDialError(t *testing.T) {
c := nltest.Dial(func(req []netlink.Message) ([]netlink.Message, error) {
return nltest.Error(int(unix.ENOENT), req)
})
if _, err := c.Execute(netlink.Message{}); !errors.Is(err, os.ErrNotExist) {
t.Fatalf("expected error is not exist, but got: %v", err)
}
}
func TestLinuxSyscallError(t *testing.T) {
c := nltest.Dial(func(req []netlink.Message) ([]netlink.Message, error) {
return nil, unix.ENOENT
})
_, err := c.Execute(netlink.Message{})
if !errors.Is(err, os.ErrNotExist) {
t.Fatalf("expected error is not exist, but got: %v", err)
}
// Expect raw system call errors to be wrapped.
var serr *os.SyscallError
if !errors.As(err, &serr) {
t.Fatalf("error did not contain *os.SyscallError")
}
if serr.Err != unix.ENOENT {
t.Fatalf("expected ENOENT, but got: %v", serr.Err)
}
}
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