Fixed audio auto tests.

Handle platforms that don't have backends.

Reviewed-by: Bill King

1 files changed, 80 insertions, 34 deletions

diff --git a/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp b/tests/auto/qaudiodeviceinfo/tst_qaudiodeviceinfo.cpp
index 72121a779a..47f3d00b69 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)