Allow to use QRingBuffer in containers

Make a private member mutable to enable default assignment operator.

Change-Id: I1216875c186ed800e07c6b41a5bae18c3b71b2fa
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp b/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp
index b77fe23bd6..9cc66cd5e2 100644
--- a/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp
+++ b/tests/auto/corelib/tools/qringbuffer/tst_qringbuffer.cpp
@@ -34,12 +34,14 @@
 #include <QtTest/QtTest>
 
 #include <private/qringbuffer_p.h>
+#include <qvector.h>
 
 class tst_QRingBuffer : public QObject
 {
     Q_OBJECT
 private slots:
     void constructing();
+    void usingInVector();
     void readPointerAtPositionWriteRead();
     void readPointerAtPositionEmptyRead();
     void readPointerAtPositionWithHead();
@@ -74,6 +76,16 @@ void tst_QRingBuffer::constructing()
     QCOMPARE(ringBuffer.peek(buf, sizeof(buf)), Q_INT64_C(0));
 }
 
+void tst_QRingBuffer::usingInVector()
+{
+    QRingBuffer ringBuffer;
+    QVector<QRingBuffer> buffers;
+
+    ringBuffer.reserve(5);
+    buffers.append(ringBuffer);
+    QCOMPARE(buffers[0].size(), Q_INT64_C(5));
+}
+
 void tst_QRingBuffer::sizeWhenReserved()
 {
     QRingBuffer ringBuffer;