Fix crash in dumpConfiguration

Some qpa backends do not provide a QPlatformNativeInterface. Hence,
check whether return value is valid.

Change-Id: Iab46bc59a151aa244fcfebf58edb37496369db89
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

1 files changed, 7 insertions, 5 deletions

diff --git a/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp b/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp
index 1cb7972cc6..e3e5397522 100644
--- a/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp
+++ b/tests/auto/gui/qopenglconfig/tst_qopenglconfig.cpp
@@ -157,11 +157,13 @@ static void dumpConfiguration(QTextStream &str)
     }
 
     // On Windows, this will provide addition GPU info similar to the output of dxdiag.
-    const QVariant gpuInfoV = QGuiApplication::platformNativeInterface()->property("gpu");
-    if (gpuInfoV.type() == QVariant::Map) {
-        const QString description = gpuInfoV.toMap().value(QStringLiteral("printable")).toString();
-        if (!description.isEmpty())
-            str << "\nGPU:\n" << description << "\n\n";
+    if (QGuiApplication::platformNativeInterface()) {
+        const QVariant gpuInfoV = QGuiApplication::platformNativeInterface()->property("gpu");
+        if (gpuInfoV.type() == QVariant::Map) {
+            const QString description = gpuInfoV.toMap().value(QStringLiteral("printable")).toString();
+            if (!description.isEmpty())
+                str << "\nGPU:\n" << description << "\n\n";
+        }
     }
 }