QBenchmark: abort if we can't open the output file

Change-Id: I6391bb8e6fb0a336d1df82c30eb07ec931cfc053
Reviewed-by: Ahmad Samir <[email protected]>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/testlib/qbenchmarkvalgrind.cpp b/src/testlib/qbenchmarkvalgrind.cpp
index 253108bd9db..bea3066e66e 100644
--- a/src/testlib/qbenchmarkvalgrind.cpp
+++ b/src/testlib/qbenchmarkvalgrind.cpp
@@ -45,7 +45,10 @@ bool QBenchmarkValgrindUtils::rerunThroughCallgrind(const QStringList &origAppAr
 static void dumpOutput(const QByteArray &data, FILE *fh)
 {
     QFile file;
-    file.open(fh, QIODevice::WriteOnly);
+    if (!file.open(fh, QIODevice::WriteOnly)) {
+        qFatal("Could not open filehandle for dumping output: %s",
+               qPrintable(file.errorString()));
+    }
     file.write(data);
 }