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BAEL-5416 How to Store HashMap<String, ArrayList> Inside a List (#12047)

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* add unit test

* fix the error

* correcting the name of the test

* trigger build process
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sanitaso 2022-04-12 05:15:51 +02:00 committed by GitHub
parent b4f8aa675b
commit add090f2e1
1 changed files with 36 additions and 0 deletions
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core-java-modules/core-java-collections-list/src/test/java/com/baeldung/list/listOfHashMaps/ListOfHashMapsUnitTest.java Normal file
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package test.java.com.baeldung.list.listOfHashMaps;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.stream.Collectors;
import static org.junit.Assert.assertTrue;
public class ListOfHashMapsUnitTest {
List<HashMap<String, List<String>>> booksAuthorsMapsList = new ArrayList<>();
@Test
public void givenMaps_whenAddToList_thenListContainsMaps() {
HashMap<String, List<String>> javaBooksAuthorsMap = new HashMap<>();
HashMap<String, List<String>> phpBooksAuthorsMap = new HashMap<>();
javaBooksAuthorsMap.put("Head First Java", Arrays.asList("Kathy Sierra", "Bert Bates"));
javaBooksAuthorsMap.put("Effective Java", Arrays.asList("Joshua Bloch"));
javaBooksAuthorsMap.put("OCA Java SE 8",
Arrays.asList("Kathy Sierra", "Bert Bates", "Elisabeth Robson"));
phpBooksAuthorsMap.put("The Joy of PHP", Arrays.asList("Alan Forbes"));
phpBooksAuthorsMap.put("Head First PHP &amp; MySQL",
Arrays.asList("Lynn Beighley", "Michael Morrison"));
booksAuthorsMapsList.add(javaBooksAuthorsMap);
booksAuthorsMapsList.add(phpBooksAuthorsMap);
assertTrue(booksAuthorsMapsList.get(0).keySet().containsAll
(javaBooksAuthorsMap.keySet().stream().collect(Collectors.toList())));
assertTrue(booksAuthorsMapsList.get(1).keySet().containsAll
(phpBooksAuthorsMap.keySet().stream().collect(Collectors.toList())));
}
}