universe@13: package de.uapcore.sudoku;
universe@13: 
universe@13: 
universe@13: import org.junit.jupiter.api.AfterEach;
universe@13: import org.junit.jupiter.api.BeforeEach;
universe@13: import org.junit.jupiter.api.Test;
universe@13: 
universe@13: import javax.swing.*;
universe@13: import java.awt.event.KeyEvent;
universe@13: import java.lang.reflect.InvocationTargetException;
universe@13: 
universe@13: import static org.junit.jupiter.api.Assertions.*;
universe@13: 
universe@13: class SudokuTextFieldTest {
universe@13: 
universe@13:     private void dispatch(SudokuTextField tf, KeyEvent pressed) {
universe@13:         final var released = new KeyEvent(tf, KeyEvent.KEY_RELEASED, pressed.getWhen()+1,
universe@13:                 pressed.getModifiersEx(), pressed.getKeyCode(), pressed.getKeyChar());
universe@13:         final KeyEvent typed;
universe@13:         if (pressed.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
universe@13:             typed = new KeyEvent(tf, KeyEvent.KEY_TYPED, pressed.getWhen(),
universe@13:                     pressed.getModifiersEx(), KeyEvent.VK_UNDEFINED, pressed.getKeyChar());
universe@13:         } else {
universe@13:             typed = null;
universe@13:         }
universe@13:         tf.requestFocusInWindow();
universe@13:         tf.dispatchEvent(pressed);
universe@13:         if (typed != null) {
universe@13:             tf.dispatchEvent(typed);
universe@13:         }
universe@13:         tf.dispatchEvent(released);
universe@13:     }
universe@13: 
universe@13:     private JFrame testFrame;
universe@13: 
universe@13:     @BeforeEach
universe@13:     void createTestFrame() {
universe@13:         // we have to use a visible frame for the events to be dispatched
universe@13:         testFrame = new JFrame();
universe@13:         testFrame.setVisible(true);
universe@13:     }
universe@13: 
universe@13:     @AfterEach
universe@13:     void disposeTestFrame() {
universe@13:         testFrame.dispose();
universe@13:     }
universe@13: 
universe@13:     private SudokuTextField createTestSubject() {
universe@13:         final var tf = new SudokuTextField();
universe@13:         testFrame.add(tf);
universe@13:         return tf;
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void getValue() {
universe@13: 
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void setValue() {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         for (int i = 0 ; i <= 9 ; i++) {
universe@13:             // when
universe@13:             tf.setValue(i);
universe@13:             // then
universe@13:             assertEquals(i, tf.getValue());
universe@13:             assertEquals(i == 0 ? "" : String.valueOf(i), tf.getText());
universe@13:             assertFalse(tf.isModified());
universe@13:         }
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void setInvalidValue() {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         // when / then
universe@13:         assertThrows(IllegalArgumentException.class, () -> tf.setValue(10));
universe@13:         assertThrows(IllegalArgumentException.class, () -> tf.setValue(-1));
universe@13:         assertFalse(tf.isModified());
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testModifiedByCall() {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         // then initially
universe@13:         assertFalse(tf.isModified());
universe@13:         // when
universe@13:         tf.setModified(true);
universe@13:         // then
universe@13:         assertTrue(tf.isModified());
universe@13:         // when
universe@13:         tf.setModified(false);
universe@13:         // then
universe@13:         assertFalse(tf.isModified());
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testModifiedByKeystroke() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         assertFalse(tf.isModified());
universe@13:         final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_4, '4');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, event);
universe@13:             // then
universe@13:             assertTrue(tf.isModified());
universe@13:         });
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testTextChangeByKeystore() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         assertEquals("", tf.getText());
universe@13:         final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_4, '4');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, event);
universe@13:             // then
universe@13:             assertEquals("4", tf.getText());
universe@13:         });
universe@13:     }
universe@13: 
universe@13:     @Test
universe@16:     void testNumpad() throws InvocationTargetException, InterruptedException {
universe@16:         // given
universe@16:         final var tf = createTestSubject();
universe@16:         assertEquals("", tf.getText());
universe@16:         final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@16:                 0, KeyEvent.VK_NUMPAD4, '4');
universe@16:         SwingUtilities.invokeAndWait(() -> {
universe@16:             // when
universe@16:             dispatch(tf, event);
universe@16:             // then
universe@16:             assertEquals("4", tf.getText());
universe@16:         });
universe@16:     }
universe@16: 
universe@16:     @Test
universe@13:     void testTextOverwriteByKeystore() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         tf.setText("6");
universe@13:         tf.selectAll();
universe@13:         final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_4, '4');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, event);
universe@13:             // then
universe@13:             assertEquals("4", tf.getText());
universe@13:         });
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testNumbersOnly() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         tf.setText("6");
universe@13:         tf.selectAll();
universe@13:         final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_A, 'a');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, event);
universe@13:             // then
universe@13:             assertEquals("6", tf.getText());
universe@13:         });
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testSingleDigit() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         assertEquals("", tf.getText());
universe@13:         final var firstEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_A, '4');
universe@13:         final var secondEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_A, '6');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, firstEvent);
universe@13:             dispatch(tf, secondEvent);
universe@13:             // then
universe@13:             assertEquals("4", tf.getText());
universe@13:         });
universe@13:     }
universe@13: 
universe@13:     @Test
universe@13:     void testBackspace() throws InvocationTargetException, InterruptedException {
universe@13:         // given
universe@13:         final var tf = createTestSubject();
universe@13:         assertEquals("", tf.getText());
universe@13:         final var typeFour = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_A, '4');
universe@13:         final var typeBackspace = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_BACK_SPACE, KeyEvent.CHAR_UNDEFINED);
universe@13:         final var typeSix = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
universe@13:                 0, KeyEvent.VK_A, '6');
universe@13:         SwingUtilities.invokeAndWait(() -> {
universe@13:             // when
universe@13:             dispatch(tf, typeFour);
universe@13:             dispatch(tf, typeBackspace);
universe@13:             dispatch(tf, typeSix);
universe@13:             // then
universe@13:             assertEquals("6", tf.getText());
universe@13:         });
universe@13:     }
universe@13: }