public void testAdd() {
CalculatorPanel c = new CalculatorPanel();
c.getXTextField().setText("5");
c.getYTextField().setText("15");
c.getAddButton().doClick();
assertEquals("20", c.getAnswerField().getText());
c.getXTextField().setText("56");
c.getYTextField().setText("99");
c.getAddButton().doClick();
assertEquals("155", c.getAnswerField().getText());
}
public void testError() {
CalculatorPanel c = new CalculatorPanel();
c.getXTextField().setText("foo");
c.getYTextField().setText("15");
c.getAddButton().doClick();
assertEquals("error", c.getAnswerField().getText());
}
public void testTextWidgets() {
CalculatorPanel c = new CalculatorPanel();
JTextField xField = c.getXTextField();
assertNotNull(xField);
JTextField yField = c.getYTextField();
assertNotNull(yField);
JLabel answerField = c.getAnswerField();
assertNotNull(answerField);
}
