qmllint: Warn about magic signal handlers

Those are typically part of Connections elements. We want to use
functions instead.

Change-Id: I08b65eae8b8a6ba95f7a3570f5465961abbb506e
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/auto/qml/qmllint/data/UnmatchedSignalHandler.qml b/tests/auto/qml/qmllint/data/UnmatchedSignalHandler.qml
new file mode 100644
index 0000000000..064444e182
--- /dev/null
+++ b/tests/auto/qml/qmllint/data/UnmatchedSignalHandler.qml
@@ -0,0 +1,15 @@
+import QtQuick 2.12
+
+Item {
+    width: 640
+    height: 480
+
+    MouseArea {
+        anchors.fill: parent
+        onClicked: console.log("okok")
+
+        Connections {
+            onClicked: console.log(mouse.x)
+        }
+    }
+}