From 5981c50aa4cd3b89ff6753c053c1d42c2cbe8672 Mon Sep 17 00:00:00 2001
From: Volker Hilsheimer <volker.hilsheimer@qt.io>
Date: Tue, 22 Jul 2025 00:17:47 +0200
Subject: [PATCH] QRM: add tree test case for defaultRoleNames

Amends f101e9931b2172c341801a4684ef387ae09a5cb8.

Pick-to: 6.10
Change-Id: Ib46b7f59b2a96a91dea1e4c263c2a54247cb31e1
Reviewed-by: Artem Dyomin <artem.dyomin@qt.io>
---
 .../corelib/itemmodels/qrangemodel/tst_qrangemodel.cpp   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/auto/corelib/itemmodels/qrangemodel/tst_qrangemodel.cpp b/tests/auto/corelib/itemmodels/qrangemodel/tst_qrangemodel.cpp
index 62076b63e58..89996f2c168 100644
--- a/tests/auto/corelib/itemmodels/qrangemodel/tst_qrangemodel.cpp
+++ b/tests/auto/corelib/itemmodels/qrangemodel/tst_qrangemodel.cpp
@@ -612,6 +612,13 @@ void tst_QRangeModel::defaultRoleNames()
     }();
 
     []{
+        using Tree = QList<MultiRoleGadget>;
+        struct EmptyTreeProtocol
+        {
+            const MultiRoleGadget *parentRow(const MultiRoleGadget &) const { return nullptr; }
+            const Tree &childRows(const MultiRoleGadget &) const { return empty; }
+            Tree empty;
+        };
         const QHash<int, QByteArray> expectedRoleNames = {
             {Qt::DisplayRole, "display"},
             {Qt::DecorationRole, "decoration"},
@@ -622,6 +629,8 @@ void tst_QRangeModel::defaultRoleNames()
                  expectedRoleNames);
         QCOMPARE(QRangeModel(std::vector<std::array<MultiRoleGadget, 5>>{}).roleNames(),
                  expectedRoleNames);
+        QCOMPARE(QRangeModel(Tree{}, EmptyTreeProtocol{}).roleNames(),
+                 expectedRoleNames);
     }();
 
     []{