Fix Coverity warnings in testqgsogcutils.cpp and testqgsgdalprovider.cpp

Author: rouault

tests/src/core/testqgsogcutils.cpp

@@ -432,7 +432,8 @@ void TestQgsOgcUtils::testExpressionToOgcFilterWFS11_data()
 static QString normalizeXML( const QString& xmlText )
 {
   QDomDocument doc;
-  doc.setContent( xmlText, true );
+  if ( !doc.setContent( xmlText, true ) )
+    return QString();
   return doc.toString( -1 );
 }
 

tests/src/providers/testqgsgdalprovider.cpp

@@ -117,7 +117,10 @@ void TestQgsGdalProvider::noData()
   QVERIFY( provider->isValid() );
   QgsRasterDataProvider* rp = dynamic_cast< QgsRasterDataProvider* >( provider );
   QVERIFY( rp );
-  QCOMPARE( rp->srcNoDataValue( 1 ), static_cast<double>( 255 ) );
+  if ( rp )
+  {
+    QCOMPARE( rp->srcNoDataValue( 1 ), static_cast<double>( 255 ) );
+  }
   delete provider;
 }
 
@@ -128,7 +131,10 @@ void TestQgsGdalProvider::invalidNoDataInSourceIgnored()
   QVERIFY( provider->isValid() );
   QgsRasterDataProvider* rp = dynamic_cast< QgsRasterDataProvider* >( provider );
   QVERIFY( rp );
-  QCOMPARE( rp->srcHasNoDataValue( 1 ), false );
+  if ( rp )
+  {
+    QCOMPARE( rp->srcHasNoDataValue( 1 ), false );
+  }
   delete provider;
 }