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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.
package stack_test
import (
"testing"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
// TestAddressableEndpointStateCleanup tests that cleaning up an addressable
// endpoint state removes permanent addresses and leaves groups.
func TestAddressableEndpointStateCleanup(t *testing.T) {
var ep fakeNetworkEndpoint
if err := ep.Enable(); err != nil {
t.Fatalf("ep.Enable(): %s", err)
}
var s stack.AddressableEndpointState
s.Init(&ep)
addr := tcpip.AddressWithPrefix{
Address: "\x01",
PrefixLen: 8,
}
{
ep, err := s.AddAndAcquirePermanentAddress(addr, stack.NeverPrimaryEndpoint, stack.AddressConfigStatic, false /* deprecated */)
if err != nil {
t.Fatalf("s.AddAndAcquirePermanentAddress(%s, %d, %d, false): %s", addr, stack.NeverPrimaryEndpoint, stack.AddressConfigStatic, err)
}
// We don't need the address endpoint.
ep.DecRef()
}
{
ep := s.AcquireAssignedAddress(addr.Address, false /* allowTemp */, stack.NeverPrimaryEndpoint)
if ep == nil {
t.Fatalf("got s.AcquireAssignedAddress(%s, false, NeverPrimaryEndpoint) = nil, want = non-nil", addr.Address)
}
ep.DecRef()
}
s.Cleanup()
if ep := s.AcquireAssignedAddress(addr.Address, false /* allowTemp */, stack.NeverPrimaryEndpoint); ep != nil {
ep.DecRef()
t.Fatalf("got s.AcquireAssignedAddress(%s, false, NeverPrimaryEndpoint) = %s, want = nil", addr.Address, ep.AddressWithPrefix())
}
}
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