Autotest: adapt to certain OSes always allowing binding to low ports

Apple changed on macOS 10.14 (Mojave). Windows has always allowed.

Fixes: QTBUG-81905
Change-Id: I572733186b73423b89e5fffd15f12fee3f03c055
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 9 insertions, 4 deletions

diff --git a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
index 5be00630ca..68c913ecfc 100644
--- a/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
+++ b/tests/auto/network/socket/platformsocketengine/tst_platformsocketengine.cpp
@@ -529,12 +529,11 @@ void tst_PlatformSocketEngine::tooManySockets()
 //---------------------------------------------------------------------------
 void tst_PlatformSocketEngine::bind()
 {
-#if !defined Q_OS_WIN
     PLATFORMSOCKETENGINE binder;
     QVERIFY(binder.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
-    QVERIFY(!binder.bind(QHostAddress::AnyIPv4, 82));
-    QCOMPARE(binder.error(), QAbstractSocket::SocketAccessError);
-#endif
+    QCOMPARE(binder.bind(QHostAddress::AnyIPv4, 82), QtNetworkSettings::canBindToLowPorts());
+    if (!QtNetworkSettings::canBindToLowPorts())
+        QCOMPARE(binder.error(), QAbstractSocket::SocketAccessError);
 
     PLATFORMSOCKETENGINE binder2;
     QVERIFY(binder2.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv4Protocol));
@@ -546,6 +545,12 @@ void tst_PlatformSocketEngine::bind()
     QCOMPARE(binder3.error(), QAbstractSocket::AddressInUseError);
 
     if (QtNetworkSettings::hasIPv6()) {
+        PLATFORMSOCKETENGINE binder;
+        QVERIFY(binder.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv6Protocol));
+        QCOMPARE(binder.bind(QHostAddress::AnyIPv6, 82), QtNetworkSettings::canBindToLowPorts());
+        if (!QtNetworkSettings::canBindToLowPorts())
+            QCOMPARE(binder.error(), QAbstractSocket::SocketAccessError);
+
         PLATFORMSOCKETENGINE binder4;
         QVERIFY(binder4.initialize(QAbstractSocket::TcpSocket, QAbstractSocket::IPv6Protocol));
         QVERIFY(binder4.bind(QHostAddress::AnyIPv6, 31180));