QTaggedPointer: verify constexpr'ness of some ctors

Change-Id: I44196ba3a823ce04b7c82aacfb9da301cc0f1886
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qtaggedpointer/tst_qtaggedpointer.cpp b/tests/auto/corelib/tools/qtaggedpointer/tst_qtaggedpointer.cpp
index 6a7a7c7ec8..1ef510e93f 100644
--- a/tests/auto/corelib/tools/qtaggedpointer/tst_qtaggedpointer.cpp
+++ b/tests/auto/corelib/tools/qtaggedpointer/tst_qtaggedpointer.cpp
@@ -34,6 +34,7 @@ class tst_QTaggedPointer : public QObject
     Q_OBJECT
 
 private Q_SLOTS:
+    void constExpr();
     void construction();
     void dereferenceOperator();
     void pointerOperator();
@@ -46,6 +47,38 @@ private Q_SLOTS:
     void taggedLinkedList();
 };
 
+void tst_QTaggedPointer::constExpr()
+{
+    {
+        constexpr QTaggedPointer<int> p;
+        Q_UNUSED(p);
+    }
+    {
+        enum Foo : uint {};
+        constexpr QTaggedPointer<int, Foo> p;
+        Q_UNUSED(p);
+    }
+    {
+        enum Foo : int {};
+        constexpr QTaggedPointer<int, Foo> p;
+        Q_UNUSED(p);
+    }
+    {
+        constexpr QTaggedPointer<int> p = nullptr;
+        Q_UNUSED(p);
+    }
+    {
+        enum Foo : uint {};
+        constexpr QTaggedPointer<int, Foo> p = nullptr;
+        Q_UNUSED(p);
+    }
+    {
+        enum Foo : int {};
+        constexpr QTaggedPointer<int, Foo> p = nullptr;
+        Q_UNUSED(p);
+    }
+}
+
 void tst_QTaggedPointer::construction()
 {
     {