[release-branch.go1.15] net/http: prevent infinite wait during TestMissingStatusNoPanic

If the client request never makes it to the server, the outstanding
accept is never broken. Change the test to always close the listening
socket when the client request completes.

Updates #45358

Change-Id: I744a91dfa11704e7e528163d7669c394e90456dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/319275
Trust: Heschi Kreinick <heschi@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
(cherry picked from commit c0a7ecfae775a9d50d338e8123fac32a5d04308c)
Reviewed-on: https://go-review.googlesource.com/c/go/+/320189
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
TryBot-Result: Go Bot <gobot@golang.org>

diff --git a/src/net/http/transport_test.go b/src/net/http/transport_test.go
index 3c7b9eb4de80a48fb3257c1e211cf0cf2bc92eb4..faa77e9ccd23d48ec450fb2ad0b3266ff08bc216 100644 (file)
--- a/src/net/http/transport_test.go
+++ b/src/net/http/transport_test.go
@@ -5270,7 +5270,6 @@ func TestMissingStatusNoPanic(t *testing.T) {
 
        ln := newLocalListener(t)
        addr := ln.Addr().String()
-       shutdown := make(chan bool, 1)
        done := make(chan bool)
        fullAddrURL := fmt.Sprintf("http://%s", addr)
        raw := "HTTP/1.1 400\r\n" +
@@ -5282,10 +5281,7 @@ func TestMissingStatusNoPanic(t *testing.T) {
                "Aloha Olaa"
 
        go func() {
-               defer func() {
-                       ln.Close()
-                       close(done)
-               }()
+               defer close(done)
 
                conn, _ := ln.Accept()
                if conn != nil {
@@ -5316,7 +5312,7 @@ func TestMissingStatusNoPanic(t *testing.T) {
                t.Errorf("got=%v want=%q", err, want)
        }
 
-       close(shutdown)
+       ln.Close()
        <-done
 }