gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/pkg/tcpip/link/rawfile/errors_test.go (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build linux
    16  // +build linux
    17  
    18  package rawfile
    19  
    20  import (
    21  	"testing"
    22  
    23  	"github.com/google/go-cmp/cmp"
    24  	"golang.org/x/sys/unix"
    25  	"gvisor.dev/gvisor/pkg/tcpip"
    26  )
    27  
    28  func TestTranslateErrno(t *testing.T) {
    29  	for _, test := range []struct {
    30  		errno      unix.Errno
    31  		translated tcpip.Error
    32  	}{
    33  		{
    34  			errno:      unix.Errno(0),
    35  			translated: &tcpip.ErrInvalidEndpointState{},
    36  		},
    37  		{
    38  			errno:      unix.Errno(maxErrno),
    39  			translated: &tcpip.ErrInvalidEndpointState{},
    40  		},
    41  		{
    42  			errno:      unix.Errno(514),
    43  			translated: &tcpip.ErrInvalidEndpointState{},
    44  		},
    45  		{
    46  			errno:      unix.EEXIST,
    47  			translated: &tcpip.ErrDuplicateAddress{},
    48  		},
    49  	} {
    50  		got := TranslateErrno(test.errno)
    51  		if diff := cmp.Diff(test.translated, got); diff != "" {
    52  			t.Errorf("unexpected result from TranslateErrno(%q), (-want, +got):\n%s", test.errno, diff)
    53  		}
    54  	}
    55  }