tst_QUdpSocket - unblacklist tests on Ubuntu 16.04

We use QSKIP instead for kernel versions [4.6, 4.13).

Task-number: QTBUG-65440
Change-Id: Ie764b5a4eb8a67dc2a43d4dc67b5d6eb772f6b2a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Joni Jäntti <joni.jantti@qt.io>

2 files changed, 19 insertions, 4 deletions

diff --git a/tests/auto/network/socket/qudpsocket/BLACKLIST b/tests/auto/network/socket/qudpsocket/BLACKLIST
index 3951be16ab..6164c0a60a 100644
--- a/tests/auto/network/socket/qudpsocket/BLACKLIST
+++ b/tests/auto/network/socket/qudpsocket/BLACKLIST
@@ -22,12 +22,9 @@ osx
 osx
 [broadcasting]
 osx
-ubuntu-16.04
 [zeroLengthDatagram]
 osx
 [linkLocalIPv6]
 redhatenterpriselinuxworkstation-6.6
-[pendingDatagramSize]
-ubuntu-16.04
 [readyReadForEmptyDatagram]
 ubuntu-16.04
diff --git a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
index 5c5dfc881d..47f5854ff8 100644
--- a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
+++ b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
@@ -131,11 +131,13 @@ protected slots:
 
 private:
     bool shouldSkipIpv6TestsForBrokenSetsockopt();
+    bool shouldWorkaroundLinuxKernelBug();
 #ifdef SHOULD_CHECK_SYSCALL_SUPPORT
     bool ipv6SetsockoptionMissing(int level, int optname);
 #endif
 
     bool m_skipUnsupportedIPv6Tests;
+    bool m_workaroundLinuxKernelBug;
     QList<QHostAddress> allAddresses;
 #ifndef QT_NO_BEARERMANAGEMENT
     QNetworkConfigurationManager *netConfMan;
@@ -183,6 +185,16 @@ bool tst_QUdpSocket::shouldSkipIpv6TestsForBrokenSetsockopt()
     return false;
 }
 
+bool tst_QUdpSocket::shouldWorkaroundLinuxKernelBug()
+{
+#ifdef Q_OS_LINUX
+    const QVersionNumber version = QVersionNumber::fromString(QSysInfo::kernelVersion());
+    return version.majorVersion() == 4 && version.minorVersion() >= 6 && version.minorVersion() < 13;
+#else
+    return false;
+#endif
+}
+
 static QHostAddress makeNonAny(const QHostAddress &address, QHostAddress::SpecialAddress preferForAny = QHostAddress::LocalHost)
 {
     if (address == QHostAddress::Any)
@@ -235,7 +247,7 @@ void tst_QUdpSocket::initTestCase()
         QSKIP("No network test server available");
     allAddresses = QNetworkInterface::allAddresses();
     m_skipUnsupportedIPv6Tests = shouldSkipIpv6TestsForBrokenSetsockopt();
-
+    m_workaroundLinuxKernelBug = shouldWorkaroundLinuxKernelBug();
     if (EmulationDetector::isRunningArmOnX86())
         QSKIP("This test is unreliable due to QEMU emulation shortcomings.");
 }
@@ -329,6 +341,9 @@ void tst_QUdpSocket::unconnectedServerAndClientTest()
 
 void tst_QUdpSocket::broadcasting()
 {
+    if (m_workaroundLinuxKernelBug)
+        QSKIP("This test can fail due to linux kernel bug");
+
     QFETCH_GLOBAL(bool, setProxy);
     if (setProxy) {
 #ifndef QT_NO_NETWORKPROXY
@@ -797,6 +812,9 @@ void tst_QUdpSocket::bindAndConnectToHost()
 
 void tst_QUdpSocket::pendingDatagramSize()
 {
+    if (m_workaroundLinuxKernelBug)
+        QSKIP("This test can fail due to linux kernel bug");
+
     QUdpSocket server;
 #ifdef FORCE_SESSION
     server.setProperty("_q_networksession", QVariant::fromValue(networkSession));