Expose type id from QMetaType instance

There is not reason why it should be kept in secret. Not having public
accessor forces a user code to keep a copy of the id. Visible for
example in QML (QQmlValueType).

Change-Id: If0de65fb8d91bcd50880c66b5f87c68f6d888dd3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
index 5d9b5ca95c..2d6961c209 100644
--- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
+++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
@@ -73,6 +73,7 @@ private slots:
     void defined();
     void threadSafety();
     void namespaces();
+    void id();
     void qMetaTypeId();
     void properties();
     void normalizedTypes();
@@ -475,6 +476,12 @@ void tst_QMetaType::namespaces()
     QCOMPARE(QMetaType::typeName(qungTfuId), "TestSpace::QungTfu");
 }
 
+void tst_QMetaType::id()
+{
+    QCOMPARE(QMetaType(QMetaType::QString).id(), QMetaType::QString);
+    QCOMPARE(QMetaType(::qMetaTypeId<TestSpace::Foo>()).id(), ::qMetaTypeId<TestSpace::Foo>());
+}
+
 void tst_QMetaType::qMetaTypeId()
 {
     QCOMPARE(::qMetaTypeId<QString>(), int(QMetaType::QString));