tst_QNetworkDiskCache: fix mem-leak

A caller of Q(Abstract)NetworkDiskCache::data() is supposed to delete
the returned value, and this caller forgot.

Do it now; better late than never.

Amends feb1afc78290433b0c22b1b3f6d65542eeb5b957.

Pick-to: 6.6 6.5 6.2 5.15
Change-Id: I1b27663df9ad49e0203172265d224fdb6ec06646
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp b/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
index d8c6633c2a..39199c91b5 100644
--- a/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
+++ b/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
@@ -657,6 +657,7 @@ void tst_QNetworkDiskCache::streamVersion()
         QIODevice *dataDevice = cache.data(url);
         QVERIFY(dataDevice != 0);
         QByteArray cachedData = dataDevice->readAll();
+        delete dataDevice;
         QCOMPARE(cachedData, data);
     }
 }