qml: Test alias-to-alias resolve across objects

Task-number: QTBUG-149446
Change-Id: I8ab49b9d2023f13f1584119b59ad3281587d5b7b
Reviewed-by: Sami Shalayel <sami.shalayel@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
(cherry picked from commit 4e047a044b746745ea7967a4827403475cd82df8)
(cherry picked from commit ee3721b70b08f02799ca7e60b7ae936f3e2db1fa)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit 20cdebfbb8aae443786f5d0f905fbc92dc2b6bcc)

2 files changed, 31 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmllanguage/data/aliasToLocalAliasOrdering.qml b/tests/auto/qml/qqmllanguage/data/aliasToLocalAliasOrdering.qml
new file mode 100644
index 0000000000..2e7c2ef403
--- /dev/null
+++ b/tests/auto/qml/qqmllanguage/data/aliasToLocalAliasOrdering.qml
@@ -0,0 +1,16 @@
+import Test 1.0
+
+MyContainer {
+    id: root
+
+    property alias background: backgroundItem
+    property alias navigation: mainItem.navigation
+
+    MyContainer {
+        id: mainItem
+        property alias navigation: navCtrl
+
+        MyContainer { id: navCtrl; objectName: "theNav" }
+        MyContainer { id: backgroundItem; objectName: "theBg" }
+    }
+}
diff --git a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
index 2f46061708..dfcc35e33d 100644
--- a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
+++ b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
@@ -535,6 +535,7 @@ private slots:
     void aliasToGroupedProperty();
     void aliasesAndDefaultProperty();
     void removeBindingFromAliasToObject();
+    void aliasToLocalAliasOrdering();
     void propertyCycle();
 
     void urlWithFragment();
@@ -10196,6 +10197,20 @@ void tst_qqmllanguage::removeBindingFromAliasToObject()
     QCOMPARE(o->objectName(), "boom"_L1);
 }
 
+void tst_qqmllanguage::aliasToLocalAliasOrdering()
+{
+    QQmlEngine engine;
+    QQmlComponent c(&engine, testFileUrl("aliasToLocalAliasOrdering.qml"));
+
+    QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+    QScopedPointer<QObject> o(c.create());
+    QVERIFY(!o.isNull());
+
+    QObject *nav = qvariant_cast<QObject *>(o->property("navigation"));
+    QVERIFY(nav);
+    QCOMPARE(nav->objectName(), "theNav"_L1);
+}
+
 void tst_qqmllanguage::urlWithFragment()
 {
     QQmlEngine engine;