diff options
-rw-r--r-- | pkg/tcpip/transport/tcp/dual_stack_test.go | 19 | ||||
-rw-r--r-- | pkg/tcpip/transport/tcp/tcp_test.go | 112 |
2 files changed, 66 insertions, 65 deletions
diff --git a/pkg/tcpip/transport/tcp/dual_stack_test.go b/pkg/tcpip/transport/tcp/dual_stack_test.go index d6d68f128..f148d505d 100644 --- a/pkg/tcpip/transport/tcp/dual_stack_test.go +++ b/pkg/tcpip/transport/tcp/dual_stack_test.go @@ -19,6 +19,7 @@ import ( "testing" "time" + "github.com/google/go-cmp/cmp" "gvisor.dev/gvisor/pkg/tcpip" "gvisor.dev/gvisor/pkg/tcpip/checker" "gvisor.dev/gvisor/pkg/tcpip/header" @@ -37,8 +38,8 @@ func TestV4MappedConnectOnV6Only(t *testing.T) { // Start connection attempt, it must fail. err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestV4MappedAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrNoRoute); !ok { - t.Fatalf("Unexpected return value from Connect: %v", err) + if d := cmp.Diff(&tcpip.ErrNoRoute{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -49,8 +50,8 @@ func testV4Connect(t *testing.T, c *context.Context, checkers ...checker.Network defer c.WQ.EventUnregister(&we) err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestV4MappedAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("Unexpected return value from Connect: %v", err) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } // Receive SYN packet. @@ -156,8 +157,8 @@ func testV6Connect(t *testing.T, c *context.Context, checkers ...checker.Network defer c.WQ.EventUnregister(&we) err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestV6Addr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("Unexpected return value from Connect: %v", err) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("Connect(...) mismatch (-want +got):\n%s", d) } // Receive SYN packet. @@ -391,7 +392,7 @@ func testV4Accept(t *testing.T, c *context.Context) { defer c.WQ.EventUnregister(&we) nep, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -525,7 +526,7 @@ func TestV6AcceptOnV6(t *testing.T) { defer c.WQ.EventUnregister(&we) var addr tcpip.FullAddress _, _, err := c.EP.Accept(&addr) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -611,7 +612,7 @@ func testV4ListenClose(t *testing.T, c *context.Context) { c.WQ.EventRegister(&we, waiter.ReadableEvents) defer c.WQ.EventUnregister(&we) nep, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: diff --git a/pkg/tcpip/transport/tcp/tcp_test.go b/pkg/tcpip/transport/tcp/tcp_test.go index 3750b0691..aca34c4c1 100644 --- a/pkg/tcpip/transport/tcp/tcp_test.go +++ b/pkg/tcpip/transport/tcp/tcp_test.go @@ -87,7 +87,7 @@ func (e *endpointTester) CheckReadFull(t *testing.T, count int, notifyRead <-cha } for w.N != 0 { _, err := e.ep.Read(&w, tcpip.ReadOptions{}) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for receive to be notified. select { case <-notifyRead: @@ -130,8 +130,8 @@ func TestGiveUpConnect(t *testing.T) { { err := ep.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("got ep.Connect(...) = %v, want = %s", err, &tcpip.ErrConnectStarted{}) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("ep.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -145,8 +145,8 @@ func TestGiveUpConnect(t *testing.T) { // and stats updates. { err := ep.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrAborted); !ok { - t.Fatalf("got ep.Connect(...) = %v, want = %s", err, &tcpip.ErrAborted{}) + if d := cmp.Diff(&tcpip.ErrAborted{}, err); d != "" { + t.Fatalf("ep.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -202,8 +202,8 @@ func TestActiveFailedConnectionAttemptIncrement(t *testing.T) { { err := c.EP.Connect(tcpip.FullAddress{NIC: 2, Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrNoRoute); !ok { - t.Errorf("got c.EP.Connect(...) = %v, want = %s", err, &tcpip.ErrNoRoute{}) + if d := cmp.Diff(&tcpip.ErrNoRoute{}, err); d != "" { + t.Errorf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -393,7 +393,7 @@ func TestTCPResetSentForACKWhenNotUsingSynCookies(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -936,8 +936,8 @@ func TestUserSuppliedMSSOnConnect(t *testing.T) { connectAddr := tcpip.FullAddress{Addr: ip.connectAddr, Port: context.TestPort} { err := c.EP.Connect(connectAddr) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("Connect(%+v): %s", connectAddr, err) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("Connect(%+v) mismatch (-want +got):\n%s", connectAddr, d) } } @@ -1543,8 +1543,8 @@ func TestConnectBindToDevice(t *testing.T) { defer c.WQ.EventUnregister(&waitEntry) err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("unexpected return value from Connect: %s", err) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } // Receive SYN packet. @@ -1604,8 +1604,8 @@ func TestSynSent(t *testing.T) { addr := tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort} err := c.EP.Connect(addr) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("got Connect(%+v) = %v, want %s", addr, err, &tcpip.ErrConnectStarted{}) + if d := cmp.Diff(err, &tcpip.ErrConnectStarted{}); d != "" { + t.Fatalf("Connect(...) mismatch (-want +got):\n%s", d) } // Receive SYN packet. @@ -2473,7 +2473,7 @@ func TestScaledWindowAccept(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -2545,7 +2545,7 @@ func TestNonScaledWindowAccept(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -3077,8 +3077,8 @@ func TestSetTTL(t *testing.T) { { err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("unexpected return value from Connect: %s", err) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -3137,7 +3137,7 @@ func TestPassiveSendMSSLessThanMTU(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -3191,7 +3191,7 @@ func TestSynCookiePassiveSendMSSLessThanMTU(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -3266,8 +3266,8 @@ func TestSynOptionsOnActiveConnect(t *testing.T) { { err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("got c.EP.Connect(...) = %v, want = %s", err, &tcpip.ErrConnectStarted{}) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -3385,8 +3385,8 @@ loop: case <-ch: // Expect the state to be StateError and subsequent Reads to fail with HardError. _, err := c.EP.Read(ioutil.Discard, tcpip.ReadOptions{}) - if _, ok := err.(*tcpip.ErrConnectionReset); !ok { - t.Fatalf("got c.EP.Read() = %v, want = %s", err, &tcpip.ErrConnectionReset{}) + if d := cmp.Diff(&tcpip.ErrConnectionReset{}, err); d != "" { + t.Fatalf("c.EP.Read() mismatch (-want +got):\n%s", d) } break loop case <-time.After(1 * time.Second): @@ -3436,8 +3436,8 @@ func TestSendOnResetConnection(t *testing.T) { var r bytes.Reader r.Reset(make([]byte, 10)) _, err := c.EP.Write(&r, tcpip.WriteOptions{}) - if _, ok := err.(*tcpip.ErrConnectionReset); !ok { - t.Fatalf("got c.EP.Write(...) = %v, want = %s", err, &tcpip.ErrConnectionReset{}) + if d := cmp.Diff(&tcpip.ErrConnectionReset{}, err); d != "" { + t.Fatalf("c.EP.Write(...) mismatch (-want +got):\n%s", d) } } @@ -4390,8 +4390,8 @@ func TestReadAfterClosedState(t *testing.T) { var buf bytes.Buffer { _, err := c.EP.Read(&buf, tcpip.ReadOptions{Peek: true}) - if _, ok := err.(*tcpip.ErrClosedForReceive); !ok { - t.Fatalf("c.EP.Read(_, {Peek: true}) = %v, %s; want _, %s", res, err, &tcpip.ErrClosedForReceive{}) + if d := cmp.Diff(&tcpip.ErrClosedForReceive{}, err); d != "" { + t.Fatalf("c.EP.Read(_, {Peek: true}) mismatch (-want +got):\n%s", d) } } } @@ -4435,8 +4435,8 @@ func TestReusePort(t *testing.T) { } { err := c.EP.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("got c.EP.Connect(...) = %v, want = %s", err, &tcpip.ErrConnectStarted{}) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("c.EP.Connect(...) mismatch (-want +got):\n%s", d) } } c.EP.Close() @@ -4724,8 +4724,8 @@ func TestSelfConnect(t *testing.T) { { err := ep.Connect(tcpip.FullAddress{Addr: context.StackAddr, Port: context.StackPort}) - if _, ok := err.(*tcpip.ErrConnectStarted); !ok { - t.Fatalf("got ep.Connect(...) = %v, want = %s", err, &tcpip.ErrConnectStarted{}) + if d := cmp.Diff(&tcpip.ErrConnectStarted{}, err); d != "" { + t.Fatalf("ep.Connect(...) mismatch (-want +got):\n%s", d) } } @@ -5452,7 +5452,7 @@ func TestListenBacklogFull(t *testing.T) { for i := 0; i < listenBacklog; i++ { _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -5469,7 +5469,7 @@ func TestListenBacklogFull(t *testing.T) { // Now verify that there are no more connections that can be accepted. _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); !ok { + if !cmp.Equal(&tcpip.ErrWouldBlock{}, err) { select { case <-ch: t.Fatalf("unexpected endpoint delivered on Accept: %+v", c.EP) @@ -5481,7 +5481,7 @@ func TestListenBacklogFull(t *testing.T) { executeHandshake(t, c, context.TestPort+lastPortOffset, false /*synCookieInUse */) newEP, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -5794,7 +5794,7 @@ func TestListenSynRcvdQueueFull(t *testing.T) { // Try to accept the connections in the backlog. newEP, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -5865,7 +5865,7 @@ func TestListenBacklogFullSynCookieInUse(t *testing.T) { defer c.WQ.EventUnregister(&we) _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -5881,7 +5881,7 @@ func TestListenBacklogFullSynCookieInUse(t *testing.T) { // Now verify that there are no more connections that can be accepted. _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); !ok { + if !cmp.Equal(&tcpip.ErrWouldBlock{}, err) { select { case <-ch: t.Fatalf("unexpected endpoint delivered on Accept: %+v", c.EP) @@ -6020,7 +6020,7 @@ func TestSynRcvdBadSeqNumber(t *testing.T) { t.Fatalf("Accept failed: %s", err) } - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Try to accept the connections in the backlog. we, ch := waiter.NewChannelEntry(nil) c.WQ.EventRegister(&we, waiter.ReadableEvents) @@ -6088,7 +6088,7 @@ func TestPassiveConnectionAttemptIncrement(t *testing.T) { // Verify that there is only one acceptable connection at this point. _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6158,7 +6158,7 @@ func TestPassiveFailedConnectionAttemptIncrement(t *testing.T) { // Now check that there is one acceptable connections. _, _, err = c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6210,7 +6210,7 @@ func TestEndpointBindListenAcceptState(t *testing.T) { defer wq.EventUnregister(&we) aep, _, err := ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6228,8 +6228,8 @@ func TestEndpointBindListenAcceptState(t *testing.T) { } { err := aep.Connect(tcpip.FullAddress{Addr: context.TestAddr, Port: context.TestPort}) - if _, ok := err.(*tcpip.ErrAlreadyConnected); !ok { - t.Errorf("unexpected error attempting to call connect on an established endpoint, got: %v, want: %s", err, &tcpip.ErrAlreadyConnected{}) + if d := cmp.Diff(&tcpip.ErrAlreadyConnected{}, err); d != "" { + t.Errorf("Connect(...) mismatch (-want +got):\n%s", d) } } // Listening endpoint remains in listen state. @@ -6349,7 +6349,7 @@ func TestReceiveBufferAutoTuningApplicationLimited(t *testing.T) { // window increases to the full available buffer size. for { _, err := c.EP.Read(ioutil.Discard, tcpip.ReadOptions{}) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { break } } @@ -6480,7 +6480,7 @@ func TestReceiveBufferAutoTuning(t *testing.T) { totalCopied := 0 for { res, err := c.EP.Read(ioutil.Discard, tcpip.ReadOptions{}) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { break } totalCopied += res.Count @@ -6672,7 +6672,7 @@ func TestTCPTimeWaitRSTIgnored(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6791,7 +6791,7 @@ func TestTCPTimeWaitOutOfOrder(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6898,7 +6898,7 @@ func TestTCPTimeWaitNewSyn(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -6988,7 +6988,7 @@ func TestTCPTimeWaitNewSyn(t *testing.T) { // Try to accept the connection. c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -7062,7 +7062,7 @@ func TestTCPTimeWaitDuplicateFINExtendsTimeWait(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -7212,7 +7212,7 @@ func TestTCPCloseWithData(t *testing.T) { defer wq.EventUnregister(&we) c.EP, _, err = ep.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); ok { + if cmp.Equal(&tcpip.ErrWouldBlock{}, err) { // Wait for connection to be established. select { case <-ch: @@ -7643,8 +7643,8 @@ func TestTCPDeferAccept(t *testing.T) { irs, iss := executeHandshake(t, c, context.TestPort, false /* synCookiesInUse */) _, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); !ok { - t.Fatalf("got c.EP.Accept(nil) = %v, want: %s", err, &tcpip.ErrWouldBlock{}) + if d := cmp.Diff(&tcpip.ErrWouldBlock{}, err); d != "" { + t.Fatalf("c.EP.Accept(nil) mismatch (-want +got):\n%s", d) } // Send data. This should result in an acceptable endpoint. @@ -7702,8 +7702,8 @@ func TestTCPDeferAcceptTimeout(t *testing.T) { irs, iss := executeHandshake(t, c, context.TestPort, false /* synCookiesInUse */) _, _, err := c.EP.Accept(nil) - if _, ok := err.(*tcpip.ErrWouldBlock); !ok { - t.Fatalf("got c.EP.Accept(nil) = %v, want: %s", err, &tcpip.ErrWouldBlock{}) + if d := cmp.Diff(&tcpip.ErrWouldBlock{}, err); d != "" { + t.Fatalf("c.EP.Accept(nil) mismatch (-want +got):\n%s", d) } // Sleep for a little of the tcpDeferAccept timeout. |