Examples of org.evolizer.daforjava.commands.CommandController.undoCommand()

        showClassPlanet();
        
        CommandController commandController = fGraphPanel.getCommandController();
        Assert.assertEquals("Command controller must be able to undo the last command ", true, commandController.canUndo());
        
        commandController.undoCommand();
        Assert.assertEquals("Graph must not contain nodes after undo", 0, fGraphPanel.getGraph().nodeCount());
        Assert.assertEquals("Graph must not contain edges after undo", 0, fGraphPanel.getGraph().edgeCount());
        Assert.assertEquals("There should be no more command to be undone", false, commandController.canUndo());
        
        Assert.assertEquals("Command controller must be able to redo the last command ", true, commandController.canRedo());

    /** 
     * {@inheritDoc}
     */
    public void actionPerformed(ActionEvent e) {
        CommandController controller = fGraphPanel.getCommandController();
        controller.undoCommand();
    }
}

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