Remove Q_ASSERT from QItemModel autotest

If populateTestData() would return an invalid model index, report a
meaningful fatal error rather than failing silently in a release build
and aborting with an uninformative error message in a debug build.

Change-Id: I96820429a25ce5c4eb375d50e7e1f672851e26e6
Task-number: QTBUG-17582
Reviewed-by: Rohan McGovern

1 files changed, 2 insertions, 1 deletions

diff --git a/tests/auto/qitemmodel/modelstotest.cpp b/tests/auto/qitemmodel/modelstotest.cpp
index 7ebf2c7..df06c95 100644
--- a/tests/auto/qitemmodel/modelstotest.cpp
+++ b/tests/auto/qitemmodel/modelstotest.cpp
@@ -308,7 +308,8 @@ QModelIndex ModelsToTest::populateTestArea(QAbstractItemModel *model)
             */
         }
         QModelIndex returnIndex = model->index(0,0);
-        Q_ASSERT(returnIndex.isValid());
+        if (!returnIndex.isValid())
+            qFatal("%s: model index to be returned is invalid", Q_FUNC_INFO);
         return returnIndex;
     }