Проблема с поиском теста JUnit для этой программы. ⇐ JAVA

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I'm currently working on a program called JPhotoFrame and need to write a JUnit test for it. The issue is I'm not entirely sure how to write the test. Here's my code:

package PhotoFrame; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class JPhotoFrame extends JFrame implements ItemListener { FlowLayout flow = new FlowLayout(); JCheckBox locBox = new JCheckBox("On location", false); JCheckBox studioBox = new JCheckBox("In studio", false); JCheckBox oneBox = new JCheckBox("One human subject ", false); JCheckBox moreBox = new JCheckBox("Two or more human subjects ", false); JCheckBox petBox = new JCheckBox("Pet subject ", false); JLabel mainLabel = new JLabel("Paula's Portaits"); Font font = new Font("Arial", Font.ITALIC, 30); JLabel label2 = new JLabel("Portrait fee"); JLabel label1 = new JLabel("Select options"); JTextField totPrice = new JTextField(10); String output; final double LOC_PRICE = 90.00; double ONE_HUMAN_SUBJECT_PRICE = 40.00, MORE_HUMAN_SUBJECTS_PRICE = 75.00; double PET_SUBJECT_PRICE = 95.00; double locPrice = 0.00; double subPrice = 0.0; public JPhotoFrame() { setTitle("PhotoFrame"); setLayout(flow); add(mainLabel); add(label1); ButtonGroup gp = new ButtonGroup(); gp.add(locBox); gp.add(studioBox); locBox.addItemListener(this); add(locBox); studioBox.addItemListener(this); add(studioBox); oneBox.addItemListener(this); add(oneBox); moreBox.addItemListener(this); add(moreBox); petBox.addItemListener(this); add(petBox); add(label2); add(totPrice); setVisible(true); } @Override public void itemStateChanged(ItemEvent check) { subPrice = 0; if (studioBox.isSelected()) { subPrice = subPrice + 40.00; } else if (locBox.isSelected()) { subPrice = subPrice + LOC_PRICE; } if (oneBox.isSelected()) { subPrice = subPrice + ONE_HUMAN_SUBJECT_PRICE; } if (moreBox.isSelected()) { subPrice = subPrice + MORE_HUMAN_SUBJECTS_PRICE; } if (petBox.isSelected()) { subPrice = subPrice + PET_SUBJECT_PRICE; } totPrice.setText(String.format("%.2f", subPrice)); } public static void main(String[] args) { JPhotoFrame frame = new JPhotoFrame(); frame.setSize(320, 250); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } How would I test this? I'm not sure which Assert statement to use.


Источник: https://stackoverflow.com/questions/781 ... is-program