QtTestLib: Use Q_NULLPTR instead of 0 in all public headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Since QtTestLib has a lot of templates and macros, not all uses of 0 as nullptr
might have been detected by the headersclean check.

Task-number: QTBUG-45291
Change-Id: I21e9d8822e3a708010938e8d5ef2fd42ae6c8c68
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/testlib/qtestaccessible.h b/src/testlib/qtestaccessible.h
index f1ac625dbd..628145f3b0 100644
--- a/src/testlib/qtestaccessible.h
+++ b/src/testlib/qtestaccessible.h
@@ -126,7 +126,7 @@ public:
     static void cleanup()
     {
         delete instance();
-        instance() = 0;
+        instance() = Q_NULLPTR;
     }
     static void clearEvents() { eventList().clear(); }
     static EventList events() { return eventList(); }
@@ -162,8 +162,8 @@ private:
 
     ~QTestAccessibility()
     {
-        QAccessible::installUpdateHandler(0);
-        QAccessible::installRootObjectHandler(0);
+        QAccessible::installUpdateHandler(Q_NULLPTR);
+        QAccessible::installRootObjectHandler(Q_NULLPTR);
     }
 
     static void rootObjectHandler(QObject *object)
@@ -268,7 +268,7 @@ private:
 
     static QTestAccessibility *&instance()
     {
-        static QTestAccessibility *ta = 0;
+        static QTestAccessibility *ta = Q_NULLPTR;
         return ta;
     }