Bug 17256 Exception due to bug 17208
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/scenarios/TextControlScenario.java
String originalName = adventure.getName();
        
        
        String newName = "Switzerland";
        for (int i = 0; i < newName.length(); i++) {
            text.setText(newName.substring(0, i + 1));
            
            assertEquals(newName.substring(0, i + 1), adventure.getName());
        }
        
        Event event = new Event();
        event.character = SWT.ESC;
        event.keyCode = 27;
        text.notifyListeners(SWT.KeyDown, event);
        assertEquals(adventure.getName(), originalName);
        
        newName = "Austria";
        for (int i = 0; i < newName.length(); i++) {
            text.setText(newName.substring(0, i + 1));
            
            assertEquals(newName.substring(0, i + 1), adventure.getName());
        }
        
        text.notifyListeners(SWT.FocusOut, null);
        
        text.notifyListeners(SWT.KeyDown, event);
        
        assertEquals(newName, adventure.getName());
    }
    /**