From dec9666dd4e6dc86d6d5a2520f0900c8ed508517 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <stephen.kelly@kdab.com>
Date: Tue, 24 Jul 2012 10:53:26 +0200
Subject: Make qRegisterMetaType constexpr for built-in types.
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For consistency with qMetaTypeId, and because we can.

Change-Id: I6882a16ef3c0d84539048c9f2c201c4a2b2ca7ad
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@nokia.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
---
 .../corelib/kernel/qmetatype/tst_qmetatype.cpp     | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'tests')

diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
index 230138d40d..b5169fe839 100644
--- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
+++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
@@ -1681,11 +1681,19 @@ void tst_QMetaType::metaObject()
 #define METATYPE_ID_FUNCTION(Type, MetaTypeId, Name) \
   case ::qMetaTypeId< Name >(): metaType = MetaTypeIdStruct<MetaTypeId>::Value;
 
+#define REGISTER_METATYPE_FUNCTION(Type, MetaTypeId, Name) \
+  case qRegisterMetaType< Name >(): metaType = RegisterMetaTypeStruct<MetaTypeId>::Value;
+
 template<int>
 struct MetaTypeIdStruct
 {
 };
 
+template<int>
+struct RegisterMetaTypeStruct
+{
+};
+
 #define METATYPE_ID_STRUCT(Type, MetaTypeId, Name) \
 template<> \
 struct MetaTypeIdStruct< ::qMetaTypeId< Name >()> \
@@ -1693,14 +1701,28 @@ struct MetaTypeIdStruct< ::qMetaTypeId< Name >()> \
     enum { Value = ::qMetaTypeId< Name >() }; \
 };
 
+#define REGISTER_METATYPE_STRUCT(Type, MetaTypeId, Name) \
+template<> \
+struct RegisterMetaTypeStruct<qRegisterMetaType< Name >()> \
+{ \
+    enum { Value = qRegisterMetaType< Name >() }; \
+};
+
 #if defined(Q_COMPILER_CONSTEXPR)
 QT_FOR_EACH_STATIC_TYPE(METATYPE_ID_STRUCT)
+QT_FOR_EACH_STATIC_TYPE(REGISTER_METATYPE_STRUCT)
 
 template<int i = ::qMetaTypeId<int>()>
 struct MetaTypeIdStructDefaultTemplateValue
 {
   enum { Value };
 };
+
+template<int i = qRegisterMetaType<int>()>
+struct RegisterMetaTypeStructDefaultTemplateValue
+{
+  enum { Value };
+};
 #endif
 
 void tst_QMetaType::constexprMetaTypeIds()
@@ -1715,6 +1737,14 @@ void tst_QMetaType::constexprMetaTypeIds()
 #endif
     default:;
     }
+
+    switch (id) {
+#if defined(Q_COMPILER_CONSTEXPR)
+      QT_FOR_EACH_STATIC_TYPE(REGISTER_METATYPE_FUNCTION)
+      metaType = RegisterMetaTypeStructDefaultTemplateValue<>::Value;
+#endif
+    default:;
+    }
     Q_UNUSED(metaType);
 }
 
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