tst_qtcpserver: Test pauseAccepting/resumeAccepting

Currently untested

The socks case is odd: after accepting the first connection it shows as
unconnected. Details as for why is unknown, out of scope of adding this
test.

Pick-to: 6.0
Change-Id: I0e7658f23b89f3af8db379b001ee33a844f3bec4
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp b/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
index 1bf6777040..3ad206ccfe 100644
--- a/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
+++ b/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
@@ -113,6 +113,8 @@ private slots:
 
     void canAccessPendingConnectionsWhileNotListening();
 
+    void pauseAccepting();
+
 private:
     bool shouldSkipIpv6TestsForBrokenGetsockopt();
 #ifdef SHOULD_CHECK_SYSCALL_SUPPORT
@@ -1046,5 +1048,36 @@ void tst_QTcpServer::canAccessPendingConnectionsWhileNotListening()
     QCOMPARE(&socket, server.nextPendingConnection());
 }
 
+void tst_QTcpServer::pauseAccepting()
+{
+    QTcpServer server;
+    QSignalSpy spy(&server, &QTcpServer::newConnection);
+    QVERIFY(server.listen());
+
+    QFETCH_GLOBAL(bool, setProxy);
+    const auto address = QHostAddress(setProxy ? QtNetworkSettings::socksProxyServerIp()
+                                               : QHostAddress::LocalHost);
+
+    const int NumSockets = 6;
+    QTcpSocket sockets[NumSockets];
+    sockets[0].connectToHost(address, server.serverPort());
+    QVERIFY(spy.wait());
+    QCOMPARE(spy.count(), 1);
+
+    server.pauseAccepting();
+    for (int i = 1; i < NumSockets; ++i)
+        sockets[i].connectToHost(address, server.serverPort());
+    QVERIFY(!spy.wait(400));
+    QCOMPARE(spy.count(), 1);
+
+    server.resumeAccepting();
+    if (setProxy) {
+        QEXPECT_FAIL("", "The socks proxy does weird things after accepting the first connection",
+                     Abort);
+    }
+    QVERIFY(spy.wait());
+    QCOMPARE(spy.count(), 6);
+}
+
 QTEST_MAIN(tst_QTcpServer)
 #include "tst_qtcpserver.moc"