From 26be677f84264d84fa6924f7cc4641552a6479f4 Mon Sep 17 00:00:00 2001
From: Ulf Hermann <ulf.hermann@qt.io>
Date: Thu, 8 Sep 2022 17:21:10 +0200
Subject: Qml: Don't crash on bad grouped properties

Amend and cherry-pick e061c934d5a6d93493ba2be7b61efdd055d1e164.
This commit is required by the (already-merged)
commit dc69a005755c4d4c1b3de6cd52321b543b49a1a1 to successfully
fix the grouped property crash.

Add the reproducer of the issue in the tests.

Task-number: QTBUG-106457
Fixes: QTBUG-107795
Change-Id: I7da381d2c3b9c58d370c1ed754140637e065bdec
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
---
 tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp')

diff --git a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
index 1be1533b63..ac6634290a 100644
--- a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
+++ b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
@@ -341,6 +341,7 @@ private slots:
     void ambiguousContainingType();
     void staticConstexprMembers();
     void bindingAliasToComponentUrl();
+    void badGroupedProperty();
 
 private:
     QQmlEngine engine;
@@ -5939,6 +5940,17 @@ void tst_qqmllanguage::bindingAliasToComponentUrl()
     }
 }
 
+void tst_qqmllanguage::badGroupedProperty()
+{
+    QQmlEngine engine;
+    const QUrl url = testFileUrl("badGroupedProperty.qml");
+    QQmlComponent c(&engine, url);
+    QVERIFY(c.isError());
+    QCOMPARE(c.errorString(),
+             QStringLiteral("%1:6 Cannot assign to non-existent property \"onComplete\"\n")
+             .arg(url.toString()));
+}
+
 QTEST_MAIN(tst_qqmllanguage)
 
 #include "tst_qqmllanguage.moc"
-- 
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