qmllint: handle signals defined in qml file

FindWarningVisitor for signal add property "signal" + "Changed",
so it was impossible find "singal" and "onSingal" names.

Fixes: QTBUG-83793
Change-Id: I5a62211f413f543fdb6bf00e0ab921561d7a9643
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

2 files changed, 14 insertions, 0 deletions

diff --git a/tests/auto/qml/qmllint/data/Signal.qml b/tests/auto/qml/qmllint/data/Signal.qml
new file mode 100644
index 0000000000..c462b90bc2
--- /dev/null
+++ b/tests/auto/qml/qmllint/data/Signal.qml
@@ -0,0 +1,13 @@
+import QtQuick 2.15
+
+Rectangle {
+    id: messenger
+
+    signal send( string person, string notice)
+
+    onSend: function(person, notice) {
+        console.log("For " + person + ", the notice is: " + notice)
+    }
+
+    Component.onCompleted: messenger.send("Tom", "the door is ajar.")
+}
diff --git a/tests/auto/qml/qmllint/tst_qmllint.cpp b/tests/auto/qml/qmllint/tst_qmllint.cpp
index 7466043389..705ff7686f 100644
--- a/tests/auto/qml/qmllint/tst_qmllint.cpp
+++ b/tests/auto/qml/qmllint/tst_qmllint.cpp
@@ -230,6 +230,7 @@ void TestQmllint::cleanQmlCode_data()
     QTest::newRow("AttachedType") << QStringLiteral("AttachedType.qml");
     QTest::newRow("qmldirImportAndDepend") << QStringLiteral("qmldirImportAndDepend/good.qml");
     QTest::newRow("ParentEnum") << QStringLiteral("parentEnum.qml");
+    QTest::newRow("Signals") << QStringLiteral("Signal.qml");
 }
 
 void TestQmllint::cleanQmlCode()