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path: root/pkg/tcpip/link/rawfile/errors_test.go
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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build linux
// +build linux

package rawfile

import (
	"testing"

	"github.com/google/go-cmp/cmp"
	"golang.org/x/sys/unix"
	"gvisor.dev/gvisor/pkg/tcpip"
)

func TestTranslateErrno(t *testing.T) {
	for _, test := range []struct {
		errno      unix.Errno
		translated tcpip.Error
	}{
		{
			errno:      unix.Errno(0),
			translated: &tcpip.ErrInvalidEndpointState{},
		},
		{
			errno:      unix.Errno(maxErrno),
			translated: &tcpip.ErrInvalidEndpointState{},
		},
		{
			errno:      unix.Errno(514),
			translated: &tcpip.ErrInvalidEndpointState{},
		},
		{
			errno:      unix.EEXIST,
			translated: &tcpip.ErrDuplicateAddress{},
		},
	} {
		got := TranslateErrno(test.errno)
		if diff := cmp.Diff(test.translated, got); diff != "" {
			t.Errorf("unexpected result from TranslateErrno(%q), (-want, +got):\n%s", test.errno, diff)
		}
	}
}