Add test methods with input checking

base/WindowTestCase.qml

@@ -22,6 +22,27 @@ TestCase {
         visible: true
     }
 
+    property Helpers __helpers: Helpers {}
+
+    function getObjectByObjectName(parent, objectName) {
+        var result = __helpers.getObjectByObjectName(parent, objectName)
+        verify(result, "Method getObjectByObjectName can't find object with name:" + objectName + " in parent:" + parent.toString())
+        return result
+    }
+
+    function clickOnButton(item) {
+        verify(item, "item is null")
+        verify((item.width !== 0 && item.height !== 0) ||
+               (item.implicitWidth !== 0 && item.implicitHeight !== 0) , "item has zero sizes")
+        verify(item.visible, "item is invisibble")
+
+        if (item.width !== 0 && item.height !== 0) {
+            mouseClick(item, item.width / 2, item.height / 2, Qt.LeftButton)
+        } else {
+            mouseClick(item, item.implicitWidth / 2, item.implicitHeight / 2, Qt.LeftButton)
+        }
+    }
+
     function initTestCase() {
         window.show()
     }