102 lines
2.6 KiB
Java
102 lines
2.6 KiB
Java
// validating/tests/CountedListTest.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Simple use of JUnit to test CountedList.
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package validating;
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import java.util.*;
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import org.junit.jupiter.api.*;
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import static org.junit.jupiter.api.Assertions.*;
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public class CountedListTest {
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private CountedList list;
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@BeforeAll
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static void beforeAllMsg() {
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System.out.println(">>> Starting CountedListTest");
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}
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@AfterAll
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static void afterAllMsg() {
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System.out.println(">>> Finished CountedListTest");
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}
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@BeforeEach
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public void initialize() {
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list = new CountedList();
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System.out.println("Set up for " + list.getId());
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for(int i = 0; i < 3; i++)
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list.add(Integer.toString(i));
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}
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@AfterEach
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public void cleanup() {
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System.out.println("Cleaning up " + list.getId());
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}
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@Test
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public void insert() {
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System.out.println("Running testInsert()");
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assertEquals(list.size(), 3);
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list.add(1, "Insert");
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assertEquals(list.size(), 4);
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assertEquals(list.get(1), "Insert");
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}
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@Test
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public void replace() {
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System.out.println("Running testReplace()");
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assertEquals(list.size(), 3);
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list.set(1, "Replace");
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assertEquals(list.size(), 3);
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assertEquals(list.get(1), "Replace");
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}
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// A helper method to simplify the code. As
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// long as it isn't annotated with @Test, it will
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// not be automatically executed by JUnit.
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private
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void compare(List<String> lst, String[] strs) {
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assertArrayEquals(lst.toArray(new String[0]), strs);
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}
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@Test
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public void order() {
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System.out.println("Running testOrder()");
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compare(list, new String[] { "0", "1", "2" });
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}
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@Test
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public void remove() {
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System.out.println("Running testRemove()");
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assertEquals(list.size(), 3);
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list.remove(1);
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assertEquals(list.size(), 2);
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compare(list, new String[] { "0", "2" });
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}
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@Test
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public void addAll() {
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System.out.println("Running testAddAll()");
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list.addAll(Arrays.asList(new String[] {
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"An", "African", "Swallow"}));
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assertEquals(list.size(), 6);
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compare(list, new String[] { "0", "1", "2",
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"An", "African", "Swallow" });
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}
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}
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/* Output:
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>>> Starting CountedListTest
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CountedList #0
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Set up for 0
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Running testRemove()
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Cleaning up 0
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CountedList #1
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Set up for 1
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Running testReplace()
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Cleaning up 1
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CountedList #2
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Set up for 2
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Running testAddAll()
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Cleaning up 2
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CountedList #3
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Set up for 3
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Running testInsert()
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Cleaning up 3
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CountedList #4
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Set up for 4
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Running testOrder()
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Cleaning up 4
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>>> Finished CountedListTest
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*/
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