diff options
Diffstat (limited to 'pkg/tcpip/link/waitable/waitable_test.go')
-rw-r--r-- | pkg/tcpip/link/waitable/waitable_test.go | 159 |
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 62054fb7f..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.googlesource.com/gvisor/pkg/tcpip" - "gvisor.googlesource.com/gvisor/pkg/tcpip/buffer" - "gvisor.googlesource.com/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) - } -} |