QCborValueRef: add a test to confirm that its methods reflect QCborValue

This has found several missing const qualifications, a missing
QCborMap::Iterator method, and a missing one in QCborValue too.

The methods "### TEMPORARY" in this commit are actually removed in two
commits.

Change-Id: I5e52dc5b093c43a3b678fffd16b6939f62954dc4
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/corelib/serialization/qcbormap.h b/src/corelib/serialization/qcbormap.h
index ed9c2f21d5..965e39b306 100644
--- a/src/corelib/serialization/qcbormap.h
+++ b/src/corelib/serialization/qcbormap.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2018 Intel Corporation.
+** Copyright (C) 2022 Intel Corporation.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the QtCore module of the Qt Toolkit.
@@ -85,6 +85,7 @@ public:
         }
 
         value_type operator*() const { return { {item.d, item.i - 1}, item }; }
+        value_type operator[](qsizetype j) const { return *(*this + j); }
         QCborValueRef *operator->() const { return &item; }
         QCborValue key() const { return QCborValueRef(item.d, item.i - 1); }
         QCborValueRef value() const { return item; }
@@ -137,6 +138,7 @@ public:
         }
 
         value_type operator*() const { return { {item.d, item.i - 1}, item }; }
+        value_type operator[](qsizetype j) const { return *(*this + j); }
         const QCborValueRef *operator->() const { return &item; }
         QCborValue key() const { return QCborValueRef(item.d, item.i - 1); }
         QCborValueRef value() const { return item; }