Fixed audio auto tests.

Handle platforms that don't have backends.

Reviewed-by: Bill King

4 files changed, 229 insertions, 129 deletions

diff --git a/tests/auto/qaudiodeviceid/tst_qaudiodeviceid.cpp b/tests/auto/qaudiodeviceid/tst_qaudiodeviceid.cpp
index 8f8d6a692..f87500c18 100644
--- a/tests/auto/qaudiodeviceid/tst_qaudiodeviceid.cpp
+++ b/tests/auto/qaudiodeviceid/tst_qaudiodeviceid.cpp
@@ -56,41 +56,61 @@ public:
     tst_QAudioDeviceId(QObject* parent=0) : QObject(parent) {}
 
 private slots:
+    void initTestCase();
     void checkNull();
     void checkEquality();
+
+private:
+    bool available;
 };
 
-void tst_QAudioDeviceId::checkNull()
+void tst_QAudioDeviceId::initTestCase()
 {
-    // Default constructed is null.
-    QAudioDeviceId deviceId0;
-    QVERIFY(deviceId0.isNull());
+    // Only perform tests if audio output device exists!
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
+    if(devices.size() > 0)
+        available = true;
+    else {
+        qWarning()<<"NOTE: no audio output device found, no test will be performed";
+        available = false;
+    }
+}
 
-    // Null is transferred
-    QAudioDeviceId deviceId1(deviceId0);
-    QVERIFY(deviceId1.isNull());
+void tst_QAudioDeviceId::checkNull()
+{
+    if(available) {
+        // Default constructed is null.
+        QAudioDeviceId deviceId0;
+        QVERIFY(deviceId0.isNull());
+
+        // Null is transferred
+        QAudioDeviceId deviceId1(deviceId0);
+        QVERIFY(deviceId1.isNull());
+    }
 }
 
 void tst_QAudioDeviceId::checkEquality()
 {
-    QAudioDeviceId  deviceId0;
-    QAudioDeviceId  deviceId1;
+    if(available) {
+        QAudioDeviceId  deviceId0;
+        QAudioDeviceId  deviceId1;
 
-    // Null ids are equivalent
-    QVERIFY(deviceId0 == deviceId1);
-    QVERIFY(!(deviceId0 != deviceId1));
+        // Null ids are equivalent
+        QVERIFY(deviceId0 == deviceId1);
+        QVERIFY(!(deviceId0 != deviceId1));
 
-    deviceId1 = QAudioDeviceInfo::defaultOutputDevice();
+        deviceId1 = QAudioDeviceInfo::defaultOutputDevice();
 
-    // Different
-    QVERIFY(deviceId0 != deviceId1);
-    QVERIFY(!(deviceId0 == deviceId1));
+        // Different
+        QVERIFY(deviceId0 != deviceId1);
+        QVERIFY(!(deviceId0 == deviceId1));
 
-    // Same
-    deviceId0 = deviceId1;
+        // Same
+        deviceId0 = deviceId1;
 
-    QVERIFY(deviceId0 == deviceId1);
-    QVERIFY(!(deviceId0 != deviceId1));
+        QVERIFY(deviceId0 == deviceId1);
+        QVERIFY(!(deviceId0 != deviceId1));
+    }
 }
 
 QTEST_MAIN(tst_QAudioDeviceId)
diff --git a/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp b/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
index 72121a779..47f3d00b6 100644
--- a/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
+++ b/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
@@ -55,6 +55,7 @@ public:
     tst_QAudioDeviceInfo(QObject* parent=0) : QObject(parent) {}
 
 private slots:
+    void initTestCase();
     void checkAvailableDefaultInput();
     void checkAvailableDefaultOutput();
     void outputList();
@@ -69,89 +70,134 @@ private slots:
     void nearest();
 
 private:
+    bool              available;
     QAudioDeviceInfo* device;
 };
 
+void tst_QAudioDeviceInfo::initTestCase()
+{
+    // Only perform tests if audio output device exists!
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
+    if(devices.size() > 0)
+        available = true;
+    else {
+        qWarning()<<"NOTE: no audio output device found, no test will be performed";
+        available = false;
+    }
+}
+
 void tst_QAudioDeviceInfo::checkAvailableDefaultInput()
 {
-    QVERIFY(!QAudioDeviceInfo::defaultInputDevice().isNull());
+    // Only perform tests if audio input device exists!
+    bool storeAvailable = available;
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioInput);
+    if(devices.size() > 0)
+        available = true;
+    else {
+        qWarning()<<"NOTE: no audio input device found, no test will be performed";
+        available = false;
+    }
+    if(available)
+        QVERIFY(!QAudioDeviceInfo::defaultInputDevice().isNull());
+    available = storeAvailable;
 }
 
 void tst_QAudioDeviceInfo::checkAvailableDefaultOutput()
 {
-    QVERIFY(!QAudioDeviceInfo::defaultOutputDevice().isNull());
+    if(available)
+        QVERIFY(!QAudioDeviceInfo::defaultOutputDevice().isNull());
 }
 
 void tst_QAudioDeviceInfo::outputList()
 {
-    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
-    QVERIFY(devices.size() > 0);
-    device = new QAudioDeviceInfo(devices.at(0), this);
+    if(available) {
+        QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
+        QVERIFY(devices.size() > 0);
+        device = new QAudioDeviceInfo(devices.at(0), this);
+    }
 }
 
 void tst_QAudioDeviceInfo::codecs()
 {
-    QStringList avail = device->supportedCodecs();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QStringList avail = device->supportedCodecs();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::channels()
 {
-    QList<int> avail = device->supportedChannels();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QList<int> avail = device->supportedChannels();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::sampleSizes()
 {
-    QList<int> avail = device->supportedSampleSizes();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QList<int> avail = device->supportedSampleSizes();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::byteOrders()
 {
-    QList<QAudioFormat::Endian> avail = device->supportedByteOrders();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QList<QAudioFormat::Endian> avail = device->supportedByteOrders();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::sampleTypes()
 {
-    QList<QAudioFormat::SampleType> avail = device->supportedSampleTypes();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QList<QAudioFormat::SampleType> avail = device->supportedSampleTypes();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::frequencies()
 {
-    QList<int> avail = device->supportedFrequencies();
-    QVERIFY(avail.size() > 0);
+    if(available) {
+        QList<int> avail = device->supportedFrequencies();
+        QVERIFY(avail.size() > 0);
+    }
 }
 
 void tst_QAudioDeviceInfo::isformat()
 {
-    QAudioFormat     format;
-    format.setFrequency(44100);
-    format.setChannels(2);
-    format.setSampleType(QAudioFormat::SignedInt);
-    format.setByteOrder(QAudioFormat::LittleEndian);
-    format.setSampleSize(16);
-    format.setCodec("audio/pcm");
-
-    // Should always be true for these format
-    QVERIFY(device->isFormatSupported(format));
+    if(available) {
+        QAudioFormat     format;
+        format.setFrequency(44100);
+        format.setChannels(2);
+        format.setSampleType(QAudioFormat::SignedInt);
+        format.setByteOrder(QAudioFormat::LittleEndian);
+        format.setSampleSize(16);
+        format.setCodec("audio/pcm");
+
+        // Should always be true for these format
+        QVERIFY(device->isFormatSupported(format));
+    }
 }
 
 void tst_QAudioDeviceInfo::preferred()
 {
-    QAudioFormat format = device->preferredFormat();
-    QVERIFY(format.frequency() == 44100);
-    QVERIFY(format.channels() == 2);
+    if(available) {
+        QAudioFormat format = device->preferredFormat();
+        QVERIFY(format.frequency() == 44100);
+        QVERIFY(format.channels() == 2);
+    }
 }
 
 void tst_QAudioDeviceInfo::nearest()
 {
-    QAudioFormat format1, format2;
-    format1.setFrequency(8000);
-    format2 = device->nearestFormat(format1);
-    QVERIFY(format2.frequency() == 44100);
+    if(available) {
+        QAudioFormat format1, format2;
+        format1.setFrequency(8000);
+        format2 = device->nearestFormat(format1);
+        QVERIFY(format2.frequency() == 44100);
+    }
 }
 
 QTEST_MAIN(tst_QAudioDeviceInfo)
diff --git a/tests/auto/qaudioinput/tst_qaudioinput.cpp b/tests/auto/qaudioinput/tst_qaudioinput.cpp
index 891d1c439..6f1d5680f 100644
--- a/tests/auto/qaudioinput/tst_qaudioinput.cpp
+++ b/tests/auto/qaudioinput/tst_qaudioinput.cpp
@@ -60,6 +60,7 @@ private slots:
     void pullFile();
 
 private:
+    bool           available;
     QAudioFormat   format;
     QAudioInput*   audio;
 };
@@ -73,46 +74,62 @@ void tst_QAudioInput::initTestCase()
     format.setByteOrder(QAudioFormat::LittleEndian);
     format.setSampleType(QAudioFormat::UnSignedInt);
 
-    audio = new QAudioInput(format, this);
+    // Only perform tests if audio input device exists!
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioInput);
+    if(devices.size() > 0)
+        available = true;
+    else {
+        qWarning()<<"NOTE: no audio input device found, no test will be performed";
+        available = false;
+    }
+
+    if(available)
+        audio = new QAudioInput(format, this);
 }
 
 void tst_QAudioInput::settings()
 {
-    QAudioFormat f = audio->format();
-
-    QVERIFY(format.channels() == f.channels());
-    QVERIFY(format.frequency() == f.frequency());
-    QVERIFY(format.sampleSize() == f.sampleSize());
-    QVERIFY(format.codec() == f.codec());
-    QVERIFY(format.byteOrder() == f.byteOrder());
-    QVERIFY(format.sampleType() == f.sampleType());
+    if(available) {
+        QAudioFormat f = audio->format();
+
+        QVERIFY(format.channels() == f.channels());
+        QVERIFY(format.frequency() == f.frequency());
+        QVERIFY(format.sampleSize() == f.sampleSize());
+        QVERIFY(format.codec() == f.codec());
+        QVERIFY(format.byteOrder() == f.byteOrder());
+        QVERIFY(format.sampleType() == f.sampleType());
+    }
 }
 
 void tst_QAudioInput::notifyInterval()
 {
-    QVERIFY(audio->notifyInterval() == 1000);   // Default
+    if(available) {
+        QVERIFY(audio->notifyInterval() == 1000);   // Default
 
-    audio->setNotifyInterval(500);
-    QVERIFY(audio->notifyInterval() == 500);    // Custom
+        audio->setNotifyInterval(500);
+        QVERIFY(audio->notifyInterval() == 500);    // Custom
 
-    audio->setNotifyInterval(1000);             // reset
+        audio->setNotifyInterval(1000);             // reset
+    }
 }
 
 void tst_QAudioInput::pullFile()
 {
-    QFile filename(SRCDIR "test.raw");
-    filename.open( QIODevice::WriteOnly | QIODevice::Truncate );
+    if(available) {
+        QFile filename(SRCDIR "test.raw");
+        filename.open( QIODevice::WriteOnly | QIODevice::Truncate );
 
-    QSignalSpy readSignal(audio, SIGNAL(notify()));
-    audio->start(&filename);
+        QSignalSpy readSignal(audio, SIGNAL(notify()));
+        audio->start(&filename);
 
-    QTest::qWait(5000);
+        QTest::qWait(5000);
 
-    QVERIFY(readSignal.count() > 0);
-    QVERIFY(audio->totalTime() > 0);
+        QVERIFY(readSignal.count() > 0);
+        QVERIFY(audio->totalTime() > 0);
 
-    audio->stop();
-    filename.close();
+        audio->stop();
+        filename.close();
+    }
 }
 
 QTEST_MAIN(tst_QAudioInput)
diff --git a/tests/auto/qaudiooutput/tst_qaudiooutput.cpp b/tests/auto/qaudiooutput/tst_qaudiooutput.cpp
index 2c3f662bd..0552aa408 100644
--- a/tests/auto/qaudiooutput/tst_qaudiooutput.cpp
+++ b/tests/auto/qaudiooutput/tst_qaudiooutput.cpp
@@ -63,6 +63,7 @@ private slots:
     void pushFile();
 
 private:
+    bool          available;
     QAudioFormat  format;
     QAudioOutput* audio;
 };
@@ -76,79 +77,95 @@ void tst_QAudioOutput::initTestCase()
     format.setByteOrder(QAudioFormat::LittleEndian);
     format.setSampleType(QAudioFormat::UnSignedInt);
 
+    // Only perform tests if audio output device exists!
+    QList<QAudioDeviceId> devices = QAudioDeviceInfo::deviceList(QAudio::AudioOutput);
+    if(devices.size() > 0)
+        available = true;
+    else {
+        qWarning()<<"NOTE: no audio output device found, no test will be performed";
+        available = false;
+    }
     audio = new QAudioOutput(format, this);
 }
 
 void tst_QAudioOutput::settings()
 {
-    QAudioFormat f = audio->format();
-
-    QVERIFY(format.channels() == f.channels());
-    QVERIFY(format.frequency() == f.frequency());
-    QVERIFY(format.sampleSize() == f.sampleSize());
-    QVERIFY(format.codec() == f.codec());
-    QVERIFY(format.byteOrder() == f.byteOrder());
-    QVERIFY(format.sampleType() == f.sampleType());
+    if(available) {
+        QAudioFormat f = audio->format();
+
+        QVERIFY(format.channels() == f.channels());
+        QVERIFY(format.frequency() == f.frequency());
+        QVERIFY(format.sampleSize() == f.sampleSize());
+        QVERIFY(format.codec() == f.codec());
+        QVERIFY(format.byteOrder() == f.byteOrder());
+        QVERIFY(format.sampleType() == f.sampleType());
+    }
 }
 
 void tst_QAudioOutput::notifyInterval()
 {
-    QVERIFY(audio->notifyInterval() == 1000);   // Default
+    if(available) {
+        QVERIFY(audio->notifyInterval() == 1000);   // Default
 
-    audio->setNotifyInterval(500);
-    QVERIFY(audio->notifyInterval() == 500);    // Custom
+        audio->setNotifyInterval(500);
+        QVERIFY(audio->notifyInterval() == 500);    // Custom
 
-    audio->setNotifyInterval(1000);             // reset
+        audio->setNotifyInterval(1000);             // reset
+    }
 }
 
 void tst_QAudioOutput::pullFile()
 {
-    QFile filename(SRCDIR "4.wav");
-    QVERIFY(filename.exists());
-    filename.open(QIODevice::ReadOnly);
-
-    QSignalSpy readSignal(audio, SIGNAL(notify()));
-    audio->setNotifyInterval(100);
-    audio->start(&filename);
-
-    QTestEventLoop::instance().enterLoop(1);
-    // 4.wav is a little less than 700ms, so notify should fire 6 times!
-    QVERIFY(readSignal.count() >= 6);
-    QVERIFY(audio->totalTime() == 692250);
-
-    audio->stop();
-    filename.close();
+    if(available) {
+        QFile filename(SRCDIR "4.wav");
+        QVERIFY(filename.exists());
+        filename.open(QIODevice::ReadOnly);
+
+        QSignalSpy readSignal(audio, SIGNAL(notify()));
+        audio->setNotifyInterval(100);
+        audio->start(&filename);
+
+        QTestEventLoop::instance().enterLoop(1);
+        // 4.wav is a little less than 700ms, so notify should fire 6 times!
+        QVERIFY(readSignal.count() >= 6);
+        QVERIFY(audio->totalTime() == 692250);
+
+        audio->stop();
+        filename.close();
+    }
 }
 
 void tst_QAudioOutput::pushFile()
 {
-    QFile filename(SRCDIR "4.wav");
-    QVERIFY(filename.exists());
-    filename.open(QIODevice::ReadOnly);
-
-    const qint64 fileSize = filename.size();
-
-    QIODevice* feed = audio->start(0);
-
-    char* buffer = new char[fileSize];
-    filename.read(buffer, fileSize);
-
-    qint64 counter=0;
-    qint64 written=0;
-    while(written < fileSize) {
-        written+=feed->write(buffer+written,fileSize-written);
-        QTest::qWait(20);
-        counter++;
+    if(available) {
+        QFile filename(SRCDIR "4.wav");
+        QVERIFY(filename.exists());
+        filename.open(QIODevice::ReadOnly);
+
+        const qint64 fileSize = filename.size();
+
+        QIODevice* feed = audio->start(0);
+
+        char* buffer = new char[fileSize];
+        filename.read(buffer, fileSize);
+
+        qint64 counter=0;
+        qint64 written=0;
+        while(written < fileSize) {
+            written+=feed->write(buffer+written,fileSize-written);
+            QTest::qWait(20);
+            counter++;
+        }
+        QTestEventLoop::instance().enterLoop(1);
+
+        QVERIFY(written == fileSize);
+        QVERIFY(audio->totalTime() == 692250);
+
+        audio->stop();
+        filename.close();
+        delete [] buffer;
+        delete audio;
     }
-    QTestEventLoop::instance().enterLoop(1);
-
-    QVERIFY(written == fileSize);
-    QVERIFY(audio->totalTime() == 692250);
-
-    audio->stop();
-    filename.close();
-    delete [] buffer;
-    delete audio;
 }
 
 QTEST_MAIN(tst_QAudioOutput)