benchmarks: avoid "Empty filename passed to function" warnings

Add isEmpty() checks to avoid annoying warnings from QFileSystemEngine
for Unix.

Change-Id: I20b4f07605692271468dfc26b3c968406323de98
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/tests/benchmarks/creationtime/tst_creationtime.cpp b/tests/benchmarks/creationtime/tst_creationtime.cpp
index fa72aa86..9539ee1b 100644
--- a/tests/benchmarks/creationtime/tst_creationtime.cpp
+++ b/tests/benchmarks/creationtime/tst_creationtime.cpp
@@ -92,9 +92,12 @@ static void addTestRows(QQmlEngine *engine, const QString &sourcePath, const QSt
                 if (QFile::exists(filePath)) {
                     QTest::newRow(qPrintable(name)) << QUrl::fromLocalFile(filePath);
                     break;
-                } else if (QFile::exists(QQmlFile::urlToLocalFileOrQrc(filePath))) {
-                    QTest::newRow(qPrintable(name)) << QUrl(filePath);
-                    break;
+                } else {
+                    filePath = QQmlFile::urlToLocalFileOrQrc(filePath);
+                    if (!filePath.isEmpty() && QFile::exists(filePath)) {
+                        QTest::newRow(qPrintable(name)) << QUrl(filePath);
+                        break;
+                    }
                 }
             }
         }