gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/pkg/tcpip/network/arp/stats_test.go (about)

     1  // Copyright 2021 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  package arp
    16  
    17  import (
    18  	"os"
    19  	"reflect"
    20  	"testing"
    21  
    22  	"gvisor.dev/gvisor/pkg/refs"
    23  	"gvisor.dev/gvisor/pkg/tcpip"
    24  	"gvisor.dev/gvisor/pkg/tcpip/stack"
    25  	"gvisor.dev/gvisor/pkg/tcpip/testutil"
    26  )
    27  
    28  var _ stack.NetworkInterface = (*testInterface)(nil)
    29  
    30  type testInterface struct {
    31  	stack.NetworkInterface
    32  	nicID tcpip.NICID
    33  }
    34  
    35  func (t *testInterface) ID() tcpip.NICID {
    36  	return t.nicID
    37  }
    38  
    39  func TestMultiCounterStatsInitialization(t *testing.T) {
    40  	s := stack.New(stack.Options{
    41  		NetworkProtocols: []stack.NetworkProtocolFactory{NewProtocol},
    42  	})
    43  	proto := s.NetworkProtocolInstance(ProtocolNumber).(*protocol)
    44  	var nic testInterface
    45  	ep := proto.NewEndpoint(&nic, nil).(*endpoint)
    46  	// At this point, the Stack's stats and the NetworkEndpoint's stats are
    47  	// expected to be bound by a MultiCounterStat.
    48  	refStack := s.Stats()
    49  	refEP := ep.stats.localStats
    50  	if err := testutil.ValidateMultiCounterStats(reflect.ValueOf(&ep.stats.arp).Elem(), []reflect.Value{reflect.ValueOf(&refEP.ARP).Elem(), reflect.ValueOf(&refStack.ARP).Elem()}, testutil.ValidateMultiCounterStatsOptions{
    51  		ExpectMultiCounterStat:            true,
    52  		ExpectMultiIntegralStatCounterMap: false,
    53  	}); err != nil {
    54  		t.Error(err)
    55  	}
    56  }
    57  
    58  func TestMain(m *testing.M) {
    59  	refs.SetLeakMode(refs.LeaksPanic)
    60  	code := m.Run()
    61  	refs.DoLeakCheck()
    62  	os.Exit(code)
    63  }