7 files changed, 86 insertions, 1 deletions
diff --git a/tests/auto/qml/qmltc/QmltcTests/CMakeLists.txt b/tests/auto/qml/qmltc/QmltcTests/CMakeLists.txt
index fbb5de6815..cf3cd41fa4 100644
--- a/tests/auto/qml/qmltc/QmltcTests/CMakeLists.txt
+++ b/tests/auto/qml/qmltc/QmltcTests/CMakeLists.txt
@@ -91,6 +91,7 @@ set(qml_sources
     deferredProperties_attached.qml
     deferredProperties_complex.qml
     repeaterCrash.qml
+    aliases.qml
 
     # support types:
     DefaultPropertySingleChild.qml
@@ -99,6 +100,9 @@ set(qml_sources
     LocalWithOnCompleted.qml
     LocallyImported_context.qml
 #   SingletonThing.qml
+    ComponentWithAlias1.qml
+    ComponentWithAlias2.qml
+    ComponentWithAlias3.qml
 
     badFile.qml
 )
diff --git a/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias1.qml b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias1.qml
new file mode 100644
index 0000000000..210cf1e159
--- /dev/null
+++ b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias1.qml
@@ -0,0 +1,8 @@
+import QtQuick
+
+Item {
+    property alias setMe: firstComponent.setMe
+    ComponentWithAlias2 {
+        id: firstComponent
+    }
+}
diff --git a/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias2.qml b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias2.qml
new file mode 100644
index 0000000000..818f3a464e
--- /dev/null
+++ b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias2.qml
@@ -0,0 +1,8 @@
+import QtQuick
+
+Item {
+    property alias setMe: firstComponent.setMe
+    ComponentWithAlias3 {
+        id: firstComponent
+    }
+}
diff --git a/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias3.qml b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias3.qml
new file mode 100644
index 0000000000..87b917ad19
--- /dev/null
+++ b/tests/auto/qml/qmltc/QmltcTests/ComponentWithAlias3.qml
@@ -0,0 +1,5 @@
+import QtQuick
+
+Item {
+    property string setMe: "Set me!"
+}
diff --git a/tests/auto/qml/qmltc/QmltcTests/aliases.qml b/tests/auto/qml/qmltc/QmltcTests/aliases.qml
new file mode 100644
index 0000000000..9f13f7b17a
--- /dev/null
+++ b/tests/auto/qml/qmltc/QmltcTests/aliases.qml
@@ -0,0 +1,29 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+import QtQuick
+
+Item {
+    property alias aliasToAlias: subItem.aliasToAlias
+    Item {
+        id: subItem
+        property alias aliasToAlias: subsubItem.aliasToAlias
+
+        Item {
+            id: subsubItem
+            property alias aliasToAlias: subsubsubItem.value
+
+                Item {
+                id: subsubsubItem
+                property string value: "Hello World!"
+            }
+        }
+    }
+
+    property alias aliasToOtherFile: inOtherFile.setMe
+
+    ComponentWithAlias1 {
+        id: inOtherFile
+    }
+}
+
diff --git a/tests/auto/qml/qmltc/tst_qmltc.cpp b/tests/auto/qml/qmltc/tst_qmltc.cpp
index e085ce9f24..97486bc418 100644
--- a/tests/auto/qml/qmltc/tst_qmltc.cpp
+++ b/tests/auto/qml/qmltc/tst_qmltc.cpp
@@ -70,7 +70,7 @@
 #include "calqlatrbits.h"
 #include "propertychangeandsignalhandlers.h"
 #include "repeatercrash.h"
-
+#include "aliases.h"
 #include "testprivateproperty.h"
 
 // Qt:
@@ -2194,4 +2194,34 @@ void tst_qmltc::repeaterCrash()
     }
 }
 
+void tst_qmltc::aliases()
+{
+    QQmlEngine e;
+    PREPEND_NAMESPACE(aliases) fromQmltc(&e);
+
+    QQmlComponent component(&e);
+    component.loadUrl(QUrl("qrc:/QmltcTests/aliases.qml"));
+    QVERIFY2(!component.isError(), qPrintable(component.errorString()));
+    QScopedPointer<QObject> fromComponent(component.create());
+    const QString testString = u"myTestString"_s;
+
+    QCOMPARE(fromQmltc.aliasToAlias(), u"Hello World!"_s);
+    QCOMPARE(fromComponent->property("aliasToAlias"), u"Hello World!"_s);
+
+    fromQmltc.setAliasToAlias(testString);
+    QVERIFY(fromComponent->setProperty("aliasToAlias", testString));
+
+    QCOMPARE(fromQmltc.aliasToAlias(), testString);
+    QCOMPARE(fromComponent->property("aliasToAlias"), testString);
+
+    QCOMPARE(fromQmltc.aliasToOtherFile(), u"Set me!"_s);
+    QCOMPARE(fromComponent->property("aliasToOtherFile"), u"Set me!"_s);
+
+    fromQmltc.setAliasToOtherFile(testString);
+    QVERIFY(fromComponent->setProperty("aliasToOtherFile", testString));
+
+    QCOMPARE(fromQmltc.aliasToOtherFile(), testString);
+    QCOMPARE(fromComponent->property("aliasToOtherFile"), testString);
+}
+
 QTEST_MAIN(tst_qmltc)
diff --git a/tests/auto/qml/qmltc/tst_qmltc.h b/tests/auto/qml/qmltc/tst_qmltc.h
index d0ead7ec03..bbc3be73a7 100644
--- a/tests/auto/qml/qmltc/tst_qmltc.h
+++ b/tests/auto/qml/qmltc/tst_qmltc.h
@@ -83,4 +83,5 @@ private slots:
     void calqlatrBits(); // corner cases from calqlatr demo
     void trickyPropertyChangeAndSignalHandlers();
     void repeaterCrash();
+    void aliases();
 };