1 files changed, 17 insertions, 0 deletions
diff --git a/tests/auto/widgets/qwebenginescript/tst_qwebenginescript.cpp b/tests/auto/widgets/qwebenginescript/tst_qwebenginescript.cpp
index cb45e524e..a9efabf97 100644
--- a/tests/auto/widgets/qwebenginescript/tst_qwebenginescript.cpp
+++ b/tests/auto/widgets/qwebenginescript/tst_qwebenginescript.cpp
@@ -42,6 +42,7 @@ private Q_SLOTS:
     void webChannelResettingAndUnsetting();
     void webChannelWithExistingQtObject();
     void navigation();
+    void webChannelWithBadString();
 };
 
 void tst_QWebEngineScript::domEditing()
@@ -470,6 +471,22 @@ void tst_QWebEngineScript::navigation()
     QCOMPARE(testObject.text(), url3);
 }
 
+// Try to set TestObject::text to an invalid UTF-16 string.
+//
+// See QTBUG-61969.
+void tst_QWebEngineScript::webChannelWithBadString()
+{
+    QWebEnginePage page;
+    TestObject host;
+    QSignalSpy hostSpy(&host, &TestObject::textChanged);
+    QWebChannel channel;
+    channel.registerObject(QStringLiteral("host"), &host);
+    page.setWebChannel(&channel);
+    page.setUrl(QStringLiteral("qrc:/resources/webChannelWithBadString.html"));
+    QVERIFY(hostSpy.wait(20000));
+    QCOMPARE(host.text(), QString(QChar(QChar::ReplacementCharacter)));
+}
+
 QTEST_MAIN(tst_QWebEngineScript)
 
 #include "tst_qwebenginescript.moc"