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Diffstat (limited to 'pkg/tcpip/link/waitable/waitable_test.go')
-rw-r--r--pkg/tcpip/link/waitable/waitable_test.go159
1 files changed, 0 insertions, 159 deletions
diff --git a/pkg/tcpip/link/waitable/waitable_test.go b/pkg/tcpip/link/waitable/waitable_test.go
deleted file mode 100644
index 56e18ecb0..000000000
--- a/pkg/tcpip/link/waitable/waitable_test.go
+++ /dev/null
@@ -1,159 +0,0 @@
-// Copyright 2018 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 waitable
-
-import (
- "testing"
-
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
- "gvisor.dev/gvisor/pkg/tcpip/stack"
-)
-
-type countedEndpoint struct {
- dispatchCount int
- writeCount int
- attachCount int
-
- mtu uint32
- capabilities stack.LinkEndpointCapabilities
- hdrLen uint16
- linkAddr tcpip.LinkAddress
-
- dispatcher stack.NetworkDispatcher
-}
-
-func (e *countedEndpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) {
- e.dispatchCount++
-}
-
-func (e *countedEndpoint) Attach(dispatcher stack.NetworkDispatcher) {
- e.attachCount++
- e.dispatcher = dispatcher
-}
-
-// IsAttached implements stack.LinkEndpoint.IsAttached.
-func (e *countedEndpoint) IsAttached() bool {
- return e.dispatcher != nil
-}
-
-func (e *countedEndpoint) MTU() uint32 {
- return e.mtu
-}
-
-func (e *countedEndpoint) Capabilities() stack.LinkEndpointCapabilities {
- return e.capabilities
-}
-
-func (e *countedEndpoint) MaxHeaderLength() uint16 {
- return e.hdrLen
-}
-
-func (e *countedEndpoint) LinkAddress() tcpip.LinkAddress {
- return e.linkAddr
-}
-
-func (e *countedEndpoint) WritePacket(r *stack.Route, _ *stack.GSO, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.NetworkProtocolNumber) *tcpip.Error {
- e.writeCount++
- return nil
-}
-
-func TestWaitWrite(t *testing.T) {
- ep := &countedEndpoint{}
- _, wep := New(stack.RegisterLinkEndpoint(ep))
-
- // Write and check that it goes through.
- wep.WritePacket(nil, nil /* gso */, buffer.Prependable{}, buffer.VectorisedView{}, 0)
- if want := 1; ep.writeCount != want {
- t.Fatalf("Unexpected writeCount: got=%v, want=%v", ep.writeCount, want)
- }
-
- // Wait on dispatches, then try to write. It must go through.
- wep.WaitDispatch()
- wep.WritePacket(nil, nil /* gso */, buffer.Prependable{}, buffer.VectorisedView{}, 0)
- if want := 2; ep.writeCount != want {
- t.Fatalf("Unexpected writeCount: got=%v, want=%v", ep.writeCount, want)
- }
-
- // Wait on writes, then try to write. It must not go through.
- wep.WaitWrite()
- wep.WritePacket(nil, nil /* gso */, buffer.Prependable{}, buffer.VectorisedView{}, 0)
- if want := 2; ep.writeCount != want {
- t.Fatalf("Unexpected writeCount: got=%v, want=%v", ep.writeCount, want)
- }
-}
-
-func TestWaitDispatch(t *testing.T) {
- ep := &countedEndpoint{}
- _, wep := New(stack.RegisterLinkEndpoint(ep))
-
- // Check that attach happens.
- wep.Attach(ep)
- if want := 1; ep.attachCount != want {
- t.Fatalf("Unexpected attachCount: got=%v, want=%v", ep.attachCount, want)
- }
-
- // Dispatch and check that it goes through.
- ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, buffer.VectorisedView{})
- if want := 1; ep.dispatchCount != want {
- t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
- }
-
- // Wait on writes, then try to dispatch. It must go through.
- wep.WaitWrite()
- ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, buffer.VectorisedView{})
- if want := 2; ep.dispatchCount != want {
- t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
- }
-
- // Wait on dispatches, then try to dispatch. It must not go through.
- wep.WaitDispatch()
- ep.dispatcher.DeliverNetworkPacket(ep, "", "", 0, buffer.VectorisedView{})
- if want := 2; ep.dispatchCount != want {
- t.Fatalf("Unexpected dispatchCount: got=%v, want=%v", ep.dispatchCount, want)
- }
-}
-
-func TestOtherMethods(t *testing.T) {
- const (
- mtu = 0xdead
- capabilities = 0xbeef
- hdrLen = 0x1234
- linkAddr = "test address"
- )
- ep := &countedEndpoint{
- mtu: mtu,
- capabilities: capabilities,
- hdrLen: hdrLen,
- linkAddr: linkAddr,
- }
- _, wep := New(stack.RegisterLinkEndpoint(ep))
-
- if v := wep.MTU(); v != mtu {
- t.Fatalf("Unexpected mtu: got=%v, want=%v", v, mtu)
- }
-
- if v := wep.Capabilities(); v != capabilities {
- t.Fatalf("Unexpected capabilities: got=%v, want=%v", v, capabilities)
- }
-
- if v := wep.MaxHeaderLength(); v != hdrLen {
- t.Fatalf("Unexpected MaxHeaderLength: got=%v, want=%v", v, hdrLen)
- }
-
- if v := wep.LinkAddress(); v != linkAddr {
- t.Fatalf("Unexpected LinkAddress: got=%q, want=%q", v, linkAddr)
- }
-}