src/test/java/de/uapcore/sudoku/SudokuTextFieldTest.java

Tue, 28 Jul 2020 14:44:48 +0200

author
Mike Becker <universe@uap-core.de>
date
Tue, 28 Jul 2020 14:44:48 +0200
changeset 23
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parent 22
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permissions
-rw-r--r--

adds solver test

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1 package de.uapcore.sudoku;
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2
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3 import org.junit.jupiter.api.AfterEach;
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4 import org.junit.jupiter.api.BeforeEach;
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5 import org.junit.jupiter.api.Test;
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6
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7 import javax.swing.*;
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8 import java.awt.*;
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9 import java.awt.event.KeyEvent;
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10 import java.lang.reflect.InvocationTargetException;
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11 import java.util.concurrent.TimeUnit;
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13 import static org.junit.jupiter.api.Assertions.*;
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14
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15 class SudokuTextFieldTest {
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16
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17 private void dispatch(SudokuTextField tf, KeyEvent pressed) {
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18 final var released = new KeyEvent(tf, KeyEvent.KEY_RELEASED, pressed.getWhen()+1,
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19 pressed.getModifiersEx(), pressed.getKeyCode(), pressed.getKeyChar());
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20 final KeyEvent typed;
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21 if (pressed.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
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22 typed = new KeyEvent(tf, KeyEvent.KEY_TYPED, pressed.getWhen(),
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23 pressed.getModifiersEx(), KeyEvent.VK_UNDEFINED, pressed.getKeyChar());
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24 } else {
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25 typed = null;
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26 }
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27 tf.requestFocusInWindow();
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28 tf.dispatchEvent(pressed);
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29 if (typed != null) {
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30 tf.dispatchEvent(typed);
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31 }
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32 tf.dispatchEvent(released);
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33 }
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34
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35 private JFrame testFrame;
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36
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37 @BeforeEach
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38 void createTestFrame() {
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39 // we have to use a visible frame for the events to be dispatched
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40 testFrame = new JFrame();
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41 testFrame.setVisible(true);
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42 }
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43
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44 @AfterEach
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45 void disposeTestFrame() {
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46 testFrame.setVisible(false);
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47 testFrame.dispose();
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48 }
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49
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50 private SudokuTextField createTestSubject() {
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51 final var tf = new SudokuTextField();
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52 testFrame.add(tf);
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53 return tf;
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54 }
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55
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56 @Test
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57 void setValue() {
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58 // given
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59 final var tf = createTestSubject();
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60 for (int i = 0 ; i <= 9 ; i++) {
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61 // when
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62 tf.setValue(i);
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63 // then
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64 assertEquals(i, tf.getValue());
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65 assertEquals(i == 0 ? "" : String.valueOf(i), tf.getText());
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66 assertFalse(tf.isModified());
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67 }
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68 }
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69
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70 @Test
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71 void setInvalidValue() {
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72 // given
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73 final var tf = createTestSubject();
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74 // when / then
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75 assertThrows(IllegalArgumentException.class, () -> tf.setValue(10));
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76 assertThrows(IllegalArgumentException.class, () -> tf.setValue(-1));
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77 assertFalse(tf.isModified());
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78 }
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79
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80 @Test
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81 void testModifiedByCall() {
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82 // given
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83 final var tf = createTestSubject();
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84 // then initially
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85 assertFalse(tf.isModified());
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86 // when
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87 tf.setModified(true);
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88 // then
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89 assertTrue(tf.isModified());
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90 // when
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91 tf.setModified(false);
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92 // then
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93 assertFalse(tf.isModified());
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94 }
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95
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96 @Test
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97 void testModifiedByKeystroke() throws InvocationTargetException, InterruptedException {
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98 // given
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99 final var tf = createTestSubject();
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100 assertFalse(tf.isModified());
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101 final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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102 0, KeyEvent.VK_4, '4');
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103 SwingUtilities.invokeAndWait(() -> {
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104 // when
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105 dispatch(tf, event);
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106 // then
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107 assertTrue(tf.isModified());
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108 });
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109 }
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110
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111 @Test
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112 void testTextChangeByKeystore() throws InvocationTargetException, InterruptedException {
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113 // given
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114 final var tf = createTestSubject();
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115 assertEquals("", tf.getText());
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116 final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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117 0, KeyEvent.VK_4, '4');
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118 SwingUtilities.invokeAndWait(() -> {
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119 // when
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120 dispatch(tf, event);
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121 // then
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122 assertEquals("4", tf.getText());
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123 });
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124 }
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125
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126 @Test
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127 void testNumpad() throws InvocationTargetException, InterruptedException {
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128 // given
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129 final var tf = createTestSubject();
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130 assertEquals("", tf.getText());
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131 final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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132 0, KeyEvent.VK_NUMPAD4, '4');
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133 SwingUtilities.invokeAndWait(() -> {
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134 // when
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135 dispatch(tf, event);
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136 // then
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137 assertEquals("4", tf.getText());
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138 });
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139 }
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140
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141 @Test
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142 void testTextOverwriteByKeystore() throws InvocationTargetException, InterruptedException {
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143 // given
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144 final var tf = createTestSubject();
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145 tf.setText("6");
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146 tf.selectAll();
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147 final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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148 0, KeyEvent.VK_4, '4');
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149 SwingUtilities.invokeAndWait(() -> {
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150 // when
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151 dispatch(tf, event);
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152 // then
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153 assertEquals("4", tf.getText());
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154 });
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155 }
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156
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157 @Test
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158 void testNumbersOnly() throws InvocationTargetException, InterruptedException {
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159 // given
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160 final var tf = createTestSubject();
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161 tf.setText("6");
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162 tf.selectAll();
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163 final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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164 0, KeyEvent.VK_A, 'a');
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165 SwingUtilities.invokeAndWait(() -> {
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166 // when
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167 dispatch(tf, event);
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168 // then
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169 assertEquals("6", tf.getText());
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170 });
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171 }
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172
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173 @Test
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174 void testSingleDigit() throws InvocationTargetException, InterruptedException {
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175 // given
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176 final var tf = createTestSubject();
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177 assertEquals("", tf.getText());
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178 final var firstEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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179 0, KeyEvent.VK_A, '4');
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180 final var secondEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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181 0, KeyEvent.VK_A, '6');
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182 SwingUtilities.invokeAndWait(() -> {
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183 // when
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184 dispatch(tf, firstEvent);
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185 dispatch(tf, secondEvent);
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186 // then
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187 assertEquals("4", tf.getText());
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188 });
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189 }
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190
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191 @Test
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192 void testBackspace() throws InvocationTargetException, InterruptedException {
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193 // given
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194 final var tf = createTestSubject();
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195 assertEquals("", tf.getText());
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196 final var typeFour = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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197 0, KeyEvent.VK_A, '4');
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198 final var typeBackspace = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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199 0, KeyEvent.VK_BACK_SPACE, KeyEvent.CHAR_UNDEFINED);
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200 final var typeSix = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(),
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201 0, KeyEvent.VK_A, '6');
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202 SwingUtilities.invokeAndWait(() -> {
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203 // when
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204 dispatch(tf, typeFour);
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205 dispatch(tf, typeBackspace);
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206 dispatch(tf, typeSix);
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207 // then
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208 assertEquals("6", tf.getText());
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209 });
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210 }
19
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211
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212 @Test
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213 void testFocusGained() throws InvocationTargetException, InterruptedException {
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214 final var tf = createTestSubject();
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215 SwingUtilities.invokeAndWait(() -> {
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216 // given
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217 tf.setText("5");
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218 assertNull(tf.getSelectedText());
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219 // when
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220 tf.requestFocusInWindow();
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221 });
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222 // give WM time to deliver the event
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223 TimeUnit.MILLISECONDS.sleep(100);
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224 // then
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225 SwingUtilities.invokeAndWait(() -> assertEquals("5", tf.getSelectedText()));
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226 }
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227
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228 @Test
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229 void testFocusLost() throws InvocationTargetException, InterruptedException {
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230 final var tf = createTestSubject();
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231 final var focusStealer = new TextField();
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232 testFrame.add(focusStealer);
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233 SwingUtilities.invokeAndWait(() -> {
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234 // given
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235 tf.setText("5");
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236 tf.selectAll();
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237 assertEquals("5", tf.getSelectedText());
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238 // when
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239 focusStealer.requestFocusInWindow();
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240 });
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241 // give WM time to deliver the event
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242 TimeUnit.MILLISECONDS.sleep(100);
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243 // then
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244 SwingUtilities.invokeAndWait(() -> assertNull(tf.getSelectedText()));
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245 }
22
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246
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247 @Test
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248 void testFont() {
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249 final var tf = new SudokuTextField();
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250 assertEquals(18, tf.getFont().getSize());
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251 }
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252
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253 @Test
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254 void testAlignment() {
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255 final var tf = new SudokuTextField();
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256 assertEquals(JTextField.CENTER, tf.getHorizontalAlignment());
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257 }
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258
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259 @Test
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260 void testBackground() {
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261 final var tf = new SudokuTextField();
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262 assertEquals(Color.WHITE, tf.getBackground());
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263 }
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264
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265 @Test
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266 void testSize() {
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267 final var tf = new SudokuTextField();
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268 final var expected = new Dimension(40, 40);
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269 assertEquals(expected, tf.getMinimumSize());
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270 assertEquals(expected, tf.getPreferredSize());
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271 assertEquals(expected, tf.getMaximumSize());
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272 }
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273
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274 @Test
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275 void testBorder() {
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276 final var tf = new SudokuTextField();
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277 assertNull(tf.getBorder());
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278 }
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279 }

mercurial