Print the QStorageInfo dump on test start

So we know what we're looking at if there's a test failure. This is like
QNetworkInterface.

Change-Id: Id75834dab9ed466e94c7ffff1444bf51f615e944
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 32 insertions, 1 deletions

diff --git a/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp b/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
index 1afcf05135..004ace4e2e 100644
--- a/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
+++ b/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
@@ -32,14 +32,18 @@
 ****************************************************************************/
 
 #include <QtTest/QtTest>
-
 #include <QStorageInfo>
 
+#include <stdarg.h>
+
+#include "../../../../manual/qstorageinfo/printvolumes.cpp"
+
 class tst_QStorageInfo : public QObject
 {
     Q_OBJECT
 private slots:
     void defaultValues();
+    void dump();
     void operatorEqual();
 #ifndef Q_OS_WINRT
     void operatorNotEqual();
@@ -66,6 +70,33 @@ void tst_QStorageInfo::defaultValues()
     QVERIFY(storage.bytesAvailable() == -1);
 }
 
+static int qInfoPrinter(const char *format, ...)
+{
+    static char buf[1024];
+    static size_t bufuse = 0;
+
+    va_list ap;
+    va_start(ap, format); // use variable arg list
+    int n = qvsnprintf(buf + bufuse, sizeof(buf) - bufuse, format, ap);
+    va_end(ap);
+
+    bufuse += n;
+    if (bufuse >= sizeof(buf) - 1 || format[strlen(format) - 1] == '\n') {
+        // flush
+        QtMessageHandler qt_message_print = qInstallMessageHandler(0);
+        qInstallMessageHandler(qt_message_print);   // restore the handler
+        qt_message_print(QtInfoMsg, QMessageLogContext(), QString::fromLocal8Bit(buf));
+        bufuse = 0;
+    }
+
+    return 1;
+}
+
+void tst_QStorageInfo::dump()
+{
+    printVolumes(QStorageInfo::mountedVolumes(), qInfoPrinter);
+}
+
 void tst_QStorageInfo::operatorEqual()
 {
     {