Fix qrfcomm unit test

The patch also aligns the error behavior of QBluetoothServer::listen()
across the various platforms.

Task-number: QTBUG-22017
Change-Id: Ic81808c94d060ca07bd125afa842452e53efaec7
Reviewed-by: Nedim Hadzic <nedimhadzija@gmail.com>
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/bluetooth/qbluetoothserver_bluez.cpp b/src/bluetooth/qbluetoothserver_bluez.cpp
index b78fb526..1ee055de 100644
--- a/src/bluetooth/qbluetoothserver_bluez.cpp
+++ b/src/bluetooth/qbluetoothserver_bluez.cpp
@@ -42,6 +42,7 @@
 #include "qbluetoothserver.h"
 #include "qbluetoothserver_p.h"
 #include "qbluetoothsocket.h"
+#include "qbluetoothlocaldevice.h"
 
 #include <QtCore/QLoggingCategory>
 #include <QtCore/QSocketNotifier>
@@ -110,6 +111,23 @@ bool QBluetoothServer::listen(const QBluetoothAddress &address, quint16 port)
         return false; //already listening, nothing to do
     }
 
+    QBluetoothLocalDevice device(address);
+    if (!device.isValid()) {
+        qCWarning(QT_BT_BLUEZ) << "Device does not support Bluetooth or"
+                                 << address.toString() << "is not a valid local adapter";
+        d->m_lastError = QBluetoothServer::UnknownError;
+        emit error(d->m_lastError);
+        return false;
+    }
+
+    QBluetoothLocalDevice::HostMode hostMode = device.hostMode();
+    if (hostMode == QBluetoothLocalDevice::HostPoweredOff) {
+        d->m_lastError = QBluetoothServer::PoweredOffError;
+        emit error(d->m_lastError);
+        qCWarning(QT_BT_BLUEZ) << "Bluetooth device is powered off";
+        return false;
+    }
+
     int sock = d->socket->socketDescriptor();
     if (sock < 0) {
         /* Negative socket descriptor is not always an error case