Replace count() comparisons against 0 with isEmpty()

Pick-to: 6.3
Change-Id: I0a14c1737cda87fa30d207bdf5b2a697214b7e70
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

11 files changed, 46 insertions, 46 deletions

diff --git a/tests/auto/qbluetoothdevicediscoveryagent/tst_qbluetoothdevicediscoveryagent.cpp b/tests/auto/qbluetoothdevicediscoveryagent/tst_qbluetoothdevicediscoveryagent.cpp
index adea75bd..80dd1e6f 100644
--- a/tests/auto/qbluetoothdevicediscoveryagent/tst_qbluetoothdevicediscoveryagent.cpp
+++ b/tests/auto/qbluetoothdevicediscoveryagent/tst_qbluetoothdevicediscoveryagent.cpp
@@ -109,11 +109,11 @@ void tst_QBluetoothDeviceDiscoveryAgent::initTestCase()
         QVERIFY(hostModeSpy.isEmpty());
         device->powerOn();
         int connectTime = 5000;  // ms
-        while (hostModeSpy.count() < 1 && connectTime > 0) {
+        while (hostModeSpy.isEmpty() && connectTime > 0) {
             QTest::qWait(500);
             connectTime -= 500;
         }
-        QVERIFY(hostModeSpy.count() > 0);
+        QVERIFY(!hostModeSpy.isEmpty());
     }
     QBluetoothLocalDevice::HostMode hostMode= device->hostMode();
     QVERIFY(hostMode == QBluetoothLocalDevice::HostConnectable
@@ -134,7 +134,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_invalidBtAddress()
 
     discoveryAgent = new QBluetoothDeviceDiscoveryAgent(QBluetoothAddress());
     QCOMPARE(discoveryAgent->error(), QBluetoothDeviceDiscoveryAgent::NoError);
-    if (QBluetoothLocalDevice::allDevices().count() > 0) {
+    if (!QBluetoothLocalDevice::allDevices().isEmpty()) {
         discoveryAgent->start();
         QCOMPARE(discoveryAgent->isActive(), true);
     }
@@ -182,7 +182,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_startStopDeviceDiscoveries()
 
     // Wait for up to MaxWaitForCancelTime for the cancel to finish
     int waitTime = MaxWaitForCancelTime;
-    while (cancelSpy.count() == 0 && waitTime > 0) {
+    while (cancelSpy.isEmpty() && waitTime > 0) {
         QTest::qWait(100);
         waitTime-=100;
     }
@@ -206,7 +206,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_startStopDeviceDiscoveries()
 
     // Wait for up to MaxWaitForCancelTime for the cancel to finish
     waitTime = MaxWaitForCancelTime;
-    while (cancelSpy.count() == 0 && waitTime > 0) {
+    while (cancelSpy.isEmpty() && waitTime > 0) {
         QTest::qWait(100);
         waitTime-=100;
     }
@@ -223,7 +223,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_startStopDeviceDiscoveries()
     QVERIFY(errorSpy.isEmpty());
 
     // Don't expect finished signal and no error
-    QVERIFY(finishedSpy.count() == 0);
+    QVERIFY(finishedSpy.isEmpty());
     QVERIFY(discoveryAgent.error() == discoveryAgent.NoError);
     QVERIFY(discoveryAgent.errorString().isEmpty());
 
@@ -260,7 +260,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_startStopDeviceDiscoveries()
 
     // Wait for up to MaxWaitForCancelTime for the cancel to finish
     waitTime = MaxWaitForCancelTime;
-    while (cancelSpy.count() == 0 && waitTime > 0) {
+    while (cancelSpy.isEmpty() && waitTime > 0) {
         QTest::qWait(100);
         waitTime-=100;
     }
@@ -289,7 +289,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_startStopDeviceDiscoveries()
 
     // Wait for up to MaxScanTime for the cancel to finish
     waitTime = MaxScanTime;
-    while (finishedSpy.count() == 0 && waitTime > 0) {
+    while (finishedSpy.isEmpty() && waitTime > 0) {
         QTest::qWait(1000);
         waitTime-=1000;
     }
@@ -344,7 +344,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_deviceDiscovery()
 
         // Wait for up to MaxScanTime for the scan to finish
         int scanTime = MaxScanTime;
-        while (finishedSpy.count() == 0 && scanTime > 0) {
+        while (finishedSpy.isEmpty() && scanTime > 0) {
             QTest::qWait(15000);
             scanTime -= 15000;
         }
@@ -378,7 +378,7 @@ void tst_QBluetoothDeviceDiscoveryAgent::tst_deviceDiscovery()
         }
 
         if (!remoteDevice.isNull())
-            QVERIFY(discoveredSpy.count() > 0);
+            QVERIFY(!discoveredSpy.isEmpty());
         // All returned QBluetoothDeviceInfo should be valid.
         while (!discoveredSpy.isEmpty()) {
             const QBluetoothDeviceInfo info =
diff --git a/tests/auto/qbluetoothdeviceinfo/tst_qbluetoothdeviceinfo.cpp b/tests/auto/qbluetoothdeviceinfo/tst_qbluetoothdeviceinfo.cpp
index 689d1052..25c6218f 100644
--- a/tests/auto/qbluetoothdeviceinfo/tst_qbluetoothdeviceinfo.cpp
+++ b/tests/auto/qbluetoothdeviceinfo/tst_qbluetoothdeviceinfo.cpp
@@ -452,10 +452,10 @@ void tst_QBluetoothDeviceInfo::tst_serviceUuids()
     QList<QBluetoothUuid> servicesList;
     servicesList.append(QBluetoothUuid::ProtocolUuid::L2cap);
     servicesList.append(QBluetoothUuid::ProtocolUuid::Rfcomm);
-    QVERIFY(servicesList.count() > 0);
+    QVERIFY(!servicesList.isEmpty());
 
     deviceInfo.setServiceUuids(servicesList);
-    QVERIFY(deviceInfo.serviceUuids().count() > 0);
+    QVERIFY(!deviceInfo.serviceUuids().isEmpty());
     deviceInfo.setServiceUuids(QList<QBluetoothUuid>());
     QCOMPARE(deviceInfo.serviceUuids().count(), 0);
 }
diff --git a/tests/auto/qbluetoothlocaldevice/tst_qbluetoothlocaldevice.cpp b/tests/auto/qbluetoothlocaldevice/tst_qbluetoothlocaldevice.cpp
index 269dc0fe..32e272af 100644
--- a/tests/auto/qbluetoothlocaldevice/tst_qbluetoothlocaldevice.cpp
+++ b/tests/auto/qbluetoothlocaldevice/tst_qbluetoothlocaldevice.cpp
@@ -130,7 +130,7 @@ void tst_QBluetoothLocalDevice::tst_powerOn()
 
     localDevice.powerOn();
     // async, wait for it
-    QTRY_VERIFY(hostModeSpy.count() > 0);
+    QTRY_VERIFY(!hostModeSpy.isEmpty());
     QBluetoothLocalDevice::HostMode hostMode= localDevice.hostMode();
     // we should not be powered off
     QVERIFY(hostMode == QBluetoothLocalDevice::HostConnectable
@@ -164,7 +164,7 @@ void tst_QBluetoothLocalDevice::tst_powerOff()
 
     localDevice.setHostMode(QBluetoothLocalDevice::HostPoweredOff);
     // async, wait for it
-    QTRY_VERIFY(hostModeSpy.count() > 0);
+    QTRY_VERIFY(!hostModeSpy.isEmpty());
     // we should not be powered off
     QVERIFY(localDevice.hostMode() == QBluetoothLocalDevice::HostPoweredOff);
 
@@ -214,13 +214,13 @@ void tst_QBluetoothLocalDevice::tst_hostModes()
     // wait for the device to switch bluetooth mode.
     QTest::qWait(1000);
     if (hostModeExpected != localDevice.hostMode()) {
-        QTRY_VERIFY(hostModeSpy.count() > 0);
+        QTRY_VERIFY(!hostModeSpy.isEmpty());
     }
     // test the actual signal values.
     if (expectSignal)
-        QVERIFY(hostModeSpy.count() > 0);
+        QVERIFY(!hostModeSpy.isEmpty());
     else
-        QVERIFY(hostModeSpy.count() == 0);
+        QVERIFY(hostModeSpy.isEmpty());
 
     if (expectSignal) {
         QList<QVariant> arguments = hostModeSpy.takeLast();
@@ -262,7 +262,7 @@ void tst_QBluetoothLocalDevice::tst_isValid()
     QBluetoothAddress invalidAddress("FF:FF:FF:FF:FF:FF");
 
     const QList<QBluetoothHostInfo> devices = QBluetoothLocalDevice::allDevices();
-    if (devices.count()) {
+    if (!devices.isEmpty()) {
         QVERIFY(localDevice.isValid());
         bool defaultFound = false;
         for (int i = 0; i<devices.count(); i++) {
diff --git a/tests/auto/qbluetoothserver/tst_qbluetoothserver.cpp b/tests/auto/qbluetoothserver/tst_qbluetoothserver.cpp
index 13e525d9..bc964ef7 100644
--- a/tests/auto/qbluetoothserver/tst_qbluetoothserver.cpp
+++ b/tests/auto/qbluetoothserver/tst_qbluetoothserver.cpp
@@ -99,7 +99,7 @@ void tst_QBluetoothServer::setHostMode(const QBluetoothAddress &localAdapter,
     }
 
     int connectTime = 5000;  // ms
-    while (hostModeSpy.count() < 1 && connectTime > 0) {
+    while (hostModeSpy.isEmpty() && connectTime > 0) {
         QTest::qWait(500);
         connectTime -= 500;
     }
@@ -204,7 +204,7 @@ void tst_QBluetoothServer::tst_receive()
         QCOMPARE(server.serverAddress(), QBluetoothAddress());
 #endif
         QCOMPARE(server.serverPort(), quint16(0));
-        QVERIFY(errorSpy.count() > 0);
+        QVERIFY(!errorSpy.isEmpty());
         QVERIFY(!server.isListening());
         if (!localDeviceAvailable) {
             QVERIFY(server.error() != QBluetoothServer::NoError);
@@ -218,7 +218,7 @@ void tst_QBluetoothServer::tst_receive()
     QVERIFY(result);
 
 #if !QT_CONFIG(winrt_bt)
-    QVERIFY(QBluetoothLocalDevice::allDevices().count());
+    QVERIFY(!QBluetoothLocalDevice::allDevices().isEmpty());
 #endif
     QCOMPARE(server.error(), QBluetoothServer::NoError);
     QCOMPARE(server.serverAddress(), address);
diff --git a/tests/auto/qbluetoothservicediscoveryagent/tst_qbluetoothservicediscoveryagent.cpp b/tests/auto/qbluetoothservicediscoveryagent/tst_qbluetoothservicediscoveryagent.cpp
index 3a58de2a..e1ef9591 100644
--- a/tests/auto/qbluetoothservicediscoveryagent/tst_qbluetoothservicediscoveryagent.cpp
+++ b/tests/auto/qbluetoothservicediscoveryagent/tst_qbluetoothservicediscoveryagent.cpp
@@ -127,7 +127,7 @@ void tst_QBluetoothServiceDiscoveryAgent::initTestCase()
 
         // Wait for up to MaxScanTime for the scan to finish
         int scanTime = MaxScanTime;
-        while (finishedSpy.count() == 0 && scanTime > 0) {
+        while (finishedSpy.isEmpty() && scanTime > 0) {
             QTest::qWait(1000);
             scanTime -= 1000;
         }
@@ -177,7 +177,7 @@ void tst_QBluetoothServiceDiscoveryAgent::tst_invalidBtAddress()
 
     discoveryAgent = new QBluetoothServiceDiscoveryAgent(QBluetoothAddress());
     QCOMPARE(discoveryAgent->error(), QBluetoothServiceDiscoveryAgent::NoError);
-    if (QBluetoothLocalDevice::allDevices().count() > 0) {
+    if (!QBluetoothLocalDevice::allDevices().isEmpty()) {
         discoveryAgent->start();
         QCOMPARE(discoveryAgent->isActive(), true);
     }
@@ -352,7 +352,7 @@ void tst_QBluetoothServiceDiscoveryAgent::tst_serviceDiscoveryAdapters()
 
         discoveryAgent.start();
         int scanTime = MaxScanTime;
-        while (finishedSpy.count() == 0 && scanTime > 0) {
+        while (finishedSpy.isEmpty() && scanTime > 0) {
             QTest::qWait(1000);
             scanTime -= 1000;
         }
@@ -416,7 +416,7 @@ void tst_QBluetoothServiceDiscoveryAgent::tst_serviceDiscovery()
 
     // Wait for up to MaxScanTime for the scan to finish
     int scanTime = 20000;
-    while (finishedSpy.count() == 0 && scanTime > 0) {
+    while (finishedSpy.isEmpty() && scanTime > 0) {
         QTest::qWait(1000);
         scanTime -= 1000;
     }
@@ -435,7 +435,7 @@ void tst_QBluetoothServiceDiscoveryAgent::tst_serviceDiscovery()
 
     QVERIFY(errorSpy.isEmpty());
 
-    //if (discoveryAgent.discoveredServices().count() && expected_failures++ <2){
+    //if (!discoveryAgent.discoveredServices().isEmpty() && expected_failures++ <2){
     if (discoveredSpy.isEmpty()) {
         qDebug() << "Device failed to return any results, skipping device" << discoveryAgent.discoveredServices().count();
         return;
@@ -472,9 +472,9 @@ void tst_QBluetoothServiceDiscoveryAgent::tst_serviceDiscovery()
     }
 
     if (servicesFound)
-        QVERIFY(discoveryAgent.discoveredServices().count() != 0);
+        QVERIFY(!discoveryAgent.discoveredServices().isEmpty());
     discoveryAgent.clear();
-    QVERIFY(discoveryAgent.discoveredServices().count() == 0);
+    QVERIFY(discoveryAgent.discoveredServices().isEmpty());
 
     discoveryAgent.stop();
     QVERIFY(!discoveryAgent.isActive());
diff --git a/tests/auto/qbluetoothserviceinfo/tst_qbluetoothserviceinfo.cpp b/tests/auto/qbluetoothserviceinfo/tst_qbluetoothserviceinfo.cpp
index 4317c8cb..65194909 100644
--- a/tests/auto/qbluetoothserviceinfo/tst_qbluetoothserviceinfo.cpp
+++ b/tests/auto/qbluetoothserviceinfo/tst_qbluetoothserviceinfo.cpp
@@ -282,7 +282,7 @@ void tst_QBluetoothServiceInfo::tst_assignment()
         copyInfo.setAttribute(QBluetoothServiceInfo::ProtocolDescriptorList, QBluetoothUuid(uuid));
         QVERIFY(copyInfo.contains(QBluetoothServiceInfo::ProtocolDescriptorList));
         QVERIFY(copyInfo.isComplete());
-        QVERIFY(copyInfo.attributes().count() > 0);
+        QVERIFY(!copyInfo.attributes().isEmpty());
 
         copyInfo.removeAttribute(QBluetoothServiceInfo::ProtocolDescriptorList);
         QVERIFY(!copyInfo.contains(QBluetoothServiceInfo::ProtocolDescriptorList));
diff --git a/tests/auto/qbluetoothsocket/tst_qbluetoothsocket.cpp b/tests/auto/qbluetoothsocket/tst_qbluetoothsocket.cpp
index 7fdae313..24f3ae4c 100644
--- a/tests/auto/qbluetoothsocket/tst_qbluetoothsocket.cpp
+++ b/tests/auto/qbluetoothsocket/tst_qbluetoothsocket.cpp
@@ -118,7 +118,7 @@ void tst_QBluetoothSocket::initTestCase()
 {
     // setup Bluetooth env
     const QList<QBluetoothHostInfo> foundDevices = QBluetoothLocalDevice::allDevices();
-    if (!foundDevices.count()) {
+    if (foundDevices.isEmpty()) {
         qWarning() << "Missing local device";
         return;
     } else {
@@ -264,12 +264,12 @@ void tst_QBluetoothSocket::tst_serviceConnection()
     stateSpy.clear();
 
     int connectTime = MaxConnectTime;
-    while (connectedSpy.count() == 0 && errorSpy.count() == 0 && connectTime > 0) {
+    while (connectedSpy.isEmpty()  && errorSpy.isEmpty() && connectTime > 0) {
         QTest::qWait(1000);
         connectTime -= 1000;
     }
 
-    if (errorSpy.count() != 0) {
+    if (!errorSpy.isEmpty()) {
         qDebug() << errorSpy.takeFirst().at(0).toInt();
         QSKIP("Connection error");
     }
@@ -305,11 +305,11 @@ void tst_QBluetoothSocket::tst_serviceConnection()
     QCOMPARE(socket.isOpen(), false);
     QCOMPARE(socket.openMode(), QIODevice::NotOpen);
 
-    QVERIFY(stateSpy.count() >= 1);
+    QVERIFY(!stateSpy.isEmpty());
     QCOMPARE(stateSpy.takeFirst().at(0).value<QBluetoothSocket::SocketState>(), QBluetoothSocket::SocketState::ClosingState);
 
     int disconnectTime = MaxConnectTime;
-    while (disconnectedSpy.count() == 0 && disconnectTime > 0) {
+    while (disconnectedSpy.isEmpty() && disconnectTime > 0) {
         QTest::qWait(1000);
         disconnectTime -= 1000;
     }
@@ -365,7 +365,7 @@ void tst_QBluetoothSocket::tst_clientCommunication()
     stateSpy.clear();
 
     int connectTime = MaxConnectTime;
-    while (connectedSpy.count() == 0 && connectTime > 0) {
+    while (connectedSpy.isEmpty() && connectTime > 0) {
         QTest::qWait(1000);
         connectTime -= 1000;
     }
@@ -401,7 +401,7 @@ void tst_QBluetoothSocket::tst_clientCommunication()
             QCOMPARE(dataWritten, qint64(line.length()));
 
             int readWriteTime = MaxReadWriteTime;
-            while ((bytesWrittenSpy.count() == 0 || readyReadSpy.count() == 0) && readWriteTime > 0) {
+            while ((bytesWrittenSpy.isEmpty() || readyReadSpy.isEmpty()) && readWriteTime > 0) {
                 QTest::qWait(1000);
                 readWriteTime -= 1000;
             }
@@ -410,7 +410,7 @@ void tst_QBluetoothSocket::tst_clientCommunication()
             QCOMPARE(bytesWrittenSpy.at(0).at(0).toLongLong(), qint64(line.length()));
 
             readWriteTime = MaxReadWriteTime;
-            while ((readyReadSpy.count() == 0) && readWriteTime > 0) {
+            while (readyReadSpy.isEmpty() && readWriteTime > 0) {
                 QTest::qWait(1000);
                 readWriteTime -= 1000;
             }
@@ -450,14 +450,14 @@ void tst_QBluetoothSocket::tst_clientCommunication()
         QCOMPARE(dataWritten, qint64(joined.length()));
 
         int readWriteTime = MaxReadWriteTime;
-        while ((bytesWrittenSpy.count() == 0 || readyReadSpy.count() == 0) && readWriteTime > 0) {
+        while ((bytesWrittenSpy.isEmpty() || readyReadSpy.isEmpty()) && readWriteTime > 0) {
             QTest::qWait(1000);
             readWriteTime -= 1000;
         }
 
         QCOMPARE(bytesWrittenSpy.count(), 1);
         QCOMPARE(bytesWrittenSpy.at(0).at(0).toLongLong(), qint64(joined.length()));
-        QVERIFY(readyReadSpy.count() > 0);
+        QVERIFY(!readyReadSpy.isEmpty());
 
         if (socket.openMode() & QIODevice::Unbuffered)
             QVERIFY(socket.bytesAvailable() <= qint64(joined.length()));
@@ -482,7 +482,7 @@ void tst_QBluetoothSocket::tst_clientCommunication()
     QCOMPARE(socket.openMode(), QIODevice::NotOpen);
 
     int disconnectTime = MaxConnectTime;
-    while (disconnectedSpy.count() == 0 && disconnectTime > 0) {
+    while (disconnectedSpy.isEmpty() && disconnectTime > 0) {
         QTest::qWait(1000);
         disconnectTime -= 1000;
     }
diff --git a/tests/auto/qlowenergycharacteristic/tst_qlowenergycharacteristic.cpp b/tests/auto/qlowenergycharacteristic/tst_qlowenergycharacteristic.cpp
index 27a89dd6..125aa3dd 100644
--- a/tests/auto/qlowenergycharacteristic/tst_qlowenergycharacteristic.cpp
+++ b/tests/auto/qlowenergycharacteristic/tst_qlowenergycharacteristic.cpp
@@ -113,7 +113,7 @@ void tst_QLowEnergyCharacteristic::initTestCase()
     QVERIFY(spy.isEmpty());
 
     devAgent->start();
-    QTRY_VERIFY_WITH_TIMEOUT(spy.count() > 0, 100000);
+    QTRY_VERIFY_WITH_TIMEOUT(!spy.isEmpty(), 100000);
 
     // find first service with descriptor
     QLowEnergyController *controller = 0;
@@ -263,7 +263,7 @@ void tst_QLowEnergyCharacteristic::tst_assignCompare()
                 globalService->characteristic(chars[i].uuid());
         QVERIFY(specific.isValid());
         QCOMPARE(specific, chars[i]);
-        if (chars[i].descriptors().count() > 0) {
+        if (!chars[i].descriptors().isEmpty()) {
             indexWithDescriptor = i;
             break;
         }
@@ -285,7 +285,7 @@ void tst_QLowEnergyCharacteristic::tst_assignCompare()
     if (target.properties() & QLowEnergyCharacteristic::Read)
         QVERIFY(!target.value().isEmpty());
     if (!noDescriptors)
-        QVERIFY(target.descriptors().count() > 0);
+        QVERIFY(!target.descriptors().isEmpty());
 
     QVERIFY(target == chars[indexWithDescriptor]);
     QVERIFY(chars[indexWithDescriptor] == target);
diff --git a/tests/auto/qlowenergycontroller-gattserver/test/tst_qlowenergycontroller-gattserver.cpp b/tests/auto/qlowenergycontroller-gattserver/test/tst_qlowenergycontroller-gattserver.cpp
index 6a949d86..9b0249d9 100644
--- a/tests/auto/qlowenergycontroller-gattserver/test/tst_qlowenergycontroller-gattserver.cpp
+++ b/tests/auto/qlowenergycontroller-gattserver/test/tst_qlowenergycontroller-gattserver.cpp
@@ -448,7 +448,7 @@ void TestQLowEnergyControllerGattServer::serverCommunication()
     customService->writeCharacteristic(customChar5, "1", QLowEnergyService::WriteSigned);
 
     // error might happen immediately or once event loop comes back
-    bool wasError = ((spy->count() > 0) || spy->wait(3000)); //
+    bool wasError = (!spy->isEmpty() || spy->wait(3000)); //
 
     if (!wasError) {
         // Signed write is done twice to test the sign counter stuff.
diff --git a/tests/auto/qlowenergycontroller/tst_qlowenergycontroller.cpp b/tests/auto/qlowenergycontroller/tst_qlowenergycontroller.cpp
index 3afb78b3..5b7e1c9e 100644
--- a/tests/auto/qlowenergycontroller/tst_qlowenergycontroller.cpp
+++ b/tests/auto/qlowenergycontroller/tst_qlowenergycontroller.cpp
@@ -144,7 +144,7 @@ void tst_QLowEnergyController::initTestCase()
 
     bool deviceFound = false;
     devAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
-    QTRY_VERIFY_WITH_TIMEOUT(finishedSpy.count() > 0, 30000);
+    QTRY_VERIFY_WITH_TIMEOUT(!finishedSpy.isEmpty(), 30000);
     const QList<QBluetoothDeviceInfo> infos = devAgent->discoveredDevices();
     for (const QBluetoothDeviceInfo &info : infos) {
 #ifndef Q_OS_MAC
diff --git a/tests/manual/qlowenergycontroller/tst_qlowenergycontroller_device.cpp b/tests/manual/qlowenergycontroller/tst_qlowenergycontroller_device.cpp
index d24ceffc..7c8b67ec 100644
--- a/tests/manual/qlowenergycontroller/tst_qlowenergycontroller_device.cpp
+++ b/tests/manual/qlowenergycontroller/tst_qlowenergycontroller_device.cpp
@@ -164,7 +164,7 @@ void tst_qlowenergycontroller_device::discoverTestServer()
 
     // Start device discovery
     mDevAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
-    QTRY_VERIFY_WITH_TIMEOUT(finishedSpy.count() > 0 || canceledSpy.count() > 0, 80000);
+    QTRY_VERIFY_WITH_TIMEOUT(!finishedSpy.isEmpty() || !canceledSpy.isEmpty(), 80000);
 
     // Verify that we have found a matching server device
     bool deviceFound = false;