Seed the random number generator before using QTemporaryDir

Otherwise, on some systems (Windows), we'll always create the same dirs.

Change-Id: Id3d5c7bf4d4c45069621ffff13f79ba91e0f974b
Reviewed-by: Christopher Adams <chris.adams@jollamobile.com>

2 files changed, 14 insertions, 1 deletions

diff --git a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
index 2b01cfd7a9..96ad78a666 100644
--- a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
+++ b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
@@ -144,12 +144,18 @@ inline bool qIsLikelyToBeNfs(int /* handle */)
 #endif
 #endif
 
+static QString seedAndTemplate()
+{
+    qsrand(QDateTime::currentDateTimeUtc().toTime_t());
+    return QDir::tempPath() + "/tst_qfileinfo-XXXXXX";
+}
 class tst_QFileInfo : public QObject
 {
 Q_OBJECT
 
 public:
-    tst_QFileInfo() : m_currentDir(QDir::currentPath()) {}
+    tst_QFileInfo() : m_currentDir(QDir::currentPath()), m_dir(seedAndTemplate())
+ {}
 
 private slots:
     void initTestCase();
diff --git a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
index 1c9add86f7..99ebf77a3d 100644
--- a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
+++ b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
@@ -103,7 +103,14 @@ static bool copyResourceFile(const QString &sourceFileName, const QString &targe
 // Set LANG before QCoreApplication is created
 Q_CONSTRUCTOR_FUNCTION(initializeLang)
 
+static QString seedAndTemplate()
+{
+    qsrand(QDateTime::currentDateTimeUtc().toTime_t());
+    return QDir::tempPath() + "/tst_qmimedatabase-XXXXXX";
+}
+
 tst_QMimeDatabase::tst_QMimeDatabase()
+    : m_temporaryDir(seedAndTemplate())
 {
 }