net: make TestSelfConnect less fragile
We believe TestSelfConnect can accidentally connect to
something else listening on or dialing from that port.
Fixes #8680.
LGTM=bradfitz
R=bradfitz
CC=golang-codereviews, rlh
https://golang.org/cl/136700043
diff --git a/src/net/dial_test.go b/src/net/dial_test.go
index c5c3236..19e289f 100644
--- a/src/net/dial_test.go
+++ b/src/net/dial_test.go
@@ -119,6 +119,7 @@
// TODO(brainman): do not know why it hangs.
t.Skip("skipping known-broken test on windows")
}
+
// Test that Dial does not honor self-connects.
// See the comment in DialTCP.
@@ -149,8 +150,12 @@
for i := 0; i < n; i++ {
c, err := DialTimeout("tcp", addr, time.Millisecond)
if err == nil {
+ if c.LocalAddr().String() == addr {
+ t.Errorf("#%d: Dial %q self-connect", i, addr)
+ } else {
+ t.Logf("#%d: Dial %q succeeded - possibly racing with other listener", i, addr)
+ }
c.Close()
- t.Errorf("#%d: Dial %q succeeded", i, addr)
}
}
}