Add oving 7
This commit is contained in:
Andreas Omholt Olsen
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package oving7.observablelist;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import java.util.List;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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public class ObservableHighscoreListTest {
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private int pos1;
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private int pos2;
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private ObservableHighscoreList highscoreList;
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private static void checkHighscoreList(String contextMessage, ObservableHighscoreList list,
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List<Integer> elements) {
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assertEquals(elements.size(), list.size(),
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contextMessage + " -> Testing the length of the highscore list");
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int i = 0;
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for (int element : elements) {
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assertEquals(element, list.getElement(i),
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contextMessage + " -> Testing that the element at position " + i + " matches");
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i++;
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}
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}
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private void addResultWithListener(int pos, int element) {
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pos1 = pos;
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highscoreList.addResult(element);
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// Check that the position that was changed is the same as the one sent to the listener
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assertEquals(pos1, pos2, "Added " + element + " at position " + pos
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+ " -> Testing the position received by the listener");
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}
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@BeforeEach
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public void setUp() {
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highscoreList = new ObservableHighscoreList(3);
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pos1 = -1;
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pos2 = -1;
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}
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@Test
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@DisplayName("Test constructor")
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public void testConstructor() {
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assertEquals(0, highscoreList.size(), "Testing initialization of the highscore list");
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}
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@Test
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@DisplayName("Add results (simple)")
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public void testAddElementSimple() {
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highscoreList.addResult(5);
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ObservableHighscoreListTest.checkHighscoreList("Added 5 to an empty list", highscoreList,
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List.of(5));
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highscoreList.addResult(6);
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ObservableHighscoreListTest.checkHighscoreList("Added 6 to the list [5]", highscoreList,
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List.of(5, 6));
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 2 to the list [5, 6]", highscoreList,
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List.of(2, 5, 6));
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}
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@Test
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@DisplayName("Add results - list becomes too long")
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public void testAddElementMoreThanMax() {
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highscoreList.addResult(5);
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highscoreList.addResult(6);
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 5, 6, and 2 to the list",
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highscoreList, List.of(2, 5, 6));
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highscoreList.addResult(3);
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ObservableHighscoreListTest.checkHighscoreList("Added 3 to the list [2, 5, 6]",
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highscoreList, List.of(2, 3, 5));
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highscoreList.addResult(7);
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ObservableHighscoreListTest.checkHighscoreList("Added 7 to the list [2, 3, 5]",
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highscoreList, List.of(2, 3, 5));
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}
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@Test
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@DisplayName("Add two identical elements")
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public void testAddElementDuplicate() {
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highscoreList.addResult(5);
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highscoreList.addResult(6);
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 5, 6, and 2 to the list",
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highscoreList, List.of(2, 5, 6));
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 2 to the list [2, 5, 6]",
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highscoreList, List.of(2, 2, 5));
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}
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@Test
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@DisplayName("Test listeners (simple)")
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public void testListListenersSimple() {
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// Mock a listener
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ObservableListListener listener = (list, pos) -> pos2 = pos;
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highscoreList.addObservableListListener(listener);
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this.addResultWithListener(0, 5);
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ObservableHighscoreListTest.checkHighscoreList("Added 5 to the list []", highscoreList,
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List.of(5));
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this.addResultWithListener(1, 6);
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ObservableHighscoreListTest.checkHighscoreList("Added 6 to the list [5]", highscoreList,
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List.of(5, 6));
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this.addResultWithListener(0, 2);
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ObservableHighscoreListTest.checkHighscoreList("Added 2 to the list [5, 6]", highscoreList,
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List.of(2, 5, 6));
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}
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@Test
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@DisplayName("With listener - list becomes too long")
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public void testListListenerMoreThanMax() {
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// Mock a listener
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ObservableListListener listener = (list, pos) -> pos2 = pos;
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highscoreList.addObservableListListener(listener);
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highscoreList.addResult(5);
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highscoreList.addResult(6);
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 5, 6, and 2 to the list",
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highscoreList, List.of(2, 5, 6));
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this.addResultWithListener(1, 3);
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ObservableHighscoreListTest.checkHighscoreList("Added 3 to the list [2, 5, 6]",
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highscoreList, List.of(2, 3, 5));
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// Reset pos2 since the next element falls outside the list and is therefore not updated by
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// itself and sent to the listener
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pos2 = -1;
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this.addResultWithListener(-1, 7);
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ObservableHighscoreListTest.checkHighscoreList("Added 7 to the list [2, 3, 5]",
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highscoreList, List.of(2, 3, 5));
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}
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@Test
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@DisplayName("With listener - two identical elements")
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public void testListListenerDuplicate() {
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// Mock a listener
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ObservableListListener listener = (list, pos) -> pos2 = pos;
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highscoreList.addObservableListListener(listener);
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highscoreList.addResult(5);
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highscoreList.addResult(6);
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highscoreList.addResult(2);
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ObservableHighscoreListTest.checkHighscoreList("Added 5, 6, and 2 to the list",
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highscoreList, List.of(2, 5, 6));
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this.addResultWithListener(1, 2);
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ObservableHighscoreListTest.checkHighscoreList("Added 2 to the list [2, 5, 6]",
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highscoreList, List.of(2, 2, 5));
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}
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}
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@@ -0,0 +1,106 @@
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package oving7.observablelist;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.util.List;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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public class ObservableListTest {
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private int pos1;
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private int pos2;
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private ObservableList observableList;
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private static void checkObservableList(ObservableList list, List<Integer> elements,
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String contextMessage) {
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assertEquals(elements.size(), list.size(),
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contextMessage + " -> Testing the length of observableList");
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int i = 0;
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for (int element : elements) {
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assertEquals(element, list.getElement(i),
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contextMessage + " -> Testing that the element at position " + i + " matches");
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i++;
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}
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}
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private void addElementWithListener(int pos, int element) {
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pos1 = pos;
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observableList.addElement(pos, element);
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// Check that the position that was changed is the same as the one sent to the listener
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assertEquals(pos1, pos2, "Added " + element + " at position " + pos
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+ " -> Testing the position received by the listener");
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}
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@BeforeEach
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public void setUp() {
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observableList = new ObservableList() {
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@Override
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public boolean acceptsElement(Object element) {
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return element instanceof Integer;
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}
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};
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pos1 = -1;
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pos2 = -1;
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}
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@Test
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@DisplayName("Test constructor")
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public void testConstructor() {
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assertEquals(0, observableList.size());
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}
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@Test
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@DisplayName("Test acceptance of elements")
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public void testAcceptsElement() {
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assertTrue(observableList.acceptsElement(5), "Testing that the list accepts integers");
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assertFalse(observableList.acceptsElement("5"),
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"Testing that the list does not accept strings");
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assertThrows(IllegalArgumentException.class, () -> {
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observableList.addElement("5");
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}, "Testing that the list cannot accept elements of type string");
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}
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@Test
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@DisplayName("Test adding elements")
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public void testAddElement() {
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observableList.addElement(5);
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ObservableListTest.checkObservableList(observableList, List.of(5),
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"Added 5 to an empty list");
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observableList.addElement(6);
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ObservableListTest.checkObservableList(observableList, List.of(5, 6),
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"Added 6 to the list [5]");
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observableList.addElement(0, 2);
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ObservableListTest.checkObservableList(observableList, List.of(2, 5, 6),
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"Added 2 at position 0 in the list [5, 6]");
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}
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@Test
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@DisplayName("Test listener")
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public void testListListener() {
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ObservableListListener listener = (list, pos) -> pos2 = pos;
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observableList.addObservableListListener(listener);
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this.addElementWithListener(0, 5);
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ObservableListTest.checkObservableList(observableList, List.of(5),
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"Added 5 to the list []");
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this.addElementWithListener(1, 6);
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ObservableListTest.checkObservableList(observableList, List.of(5, 6),
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"Added 6 to the list [5]");
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this.addElementWithListener(0, 2);
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ObservableListTest.checkObservableList(observableList, List.of(2, 5, 6),
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"Added 2 to the list [5, 6]");
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}
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}
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