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MapIteration changes (#2072)

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PRITAM BANERJEE
2017-06-26 03:36:16 -07:00
committed by Grzegorz Piwowarek
parent 2bb31e54ed
commit b97651ae5a
2 changed files with 41 additions and 97 deletions
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69
core-java/src/test/java/com/baeldung/map/iteration/MapIterationTest.java
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@@ -1,69 +0,0 @@
package com.baeldung.map.iteration;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.BeforeClass;
import org.junit.Test;
public class MapIterationTest {
public static Map<String, Integer> testMap = new HashMap<String, Integer>();
public static String testString1 = "One:1";
public static String testString2 = "Two:2";
public static String testString3 = "Three:3";
@BeforeClass
public static void createTestData() {
testMap.put("One", 1);
testMap.put("Three", 3);
testMap.put("Two", 2);
}
@Test
public void givenMap_whenIterateUsingEntrySetReturnsAllEntries_thenCorrect() {
MapIteration mapIteration = new MapIteration();
List<String> list = mapIteration.iterateUsingEntrySet(testMap);
assertTrue((list.contains(testString1)) && (list.contains(testString2)) && (list.contains(testString3)));
}
@Test
public void givenMap_whenIterateUsingLambdaReturnsAllEntries_thenCorrect() {
MapIteration mapIteration = new MapIteration();
List<String> list = mapIteration.iterateUsingLambda(testMap);
assertTrue((list.contains(testString1)) && (list.contains(testString2)) && (list.contains(testString3)));
}
@Test
public void givenMap_whenIterateUsingIteratorAndEntryReturnsAllEntries_thenCorrect() {
MapIteration mapIteration = new MapIteration();
List<String> list = mapIteration.iterateUsingIteratorAndEntry(testMap);
assertTrue((list.contains(testString1)) && (list.contains(testString2)) && (list.contains(testString3)));
}
@Test
public void givenMap_whenIterateUsingKeySetAndForeachReturnsAllEntries_thenCorrect() {
MapIteration mapIteration = new MapIteration();
List<String> list = mapIteration.iterateUsingKeySetAndForeach(testMap);
assertTrue((list.contains(testString1)) && (list.contains(testString2)) && (list.contains(testString3)));
}
@Test
public void givenMap_whenIterateUsingStreamAPIReturnsAllEntries_thenCorrect() {
MapIteration mapIteration = new MapIteration();
List<String> list = mapIteration.iterateUsingStreamAPI(testMap);
assertTrue((list.contains(testString1)) && (list.contains(testString2)) && (list.contains(testString3)));
}
@Test
public void givenMap_whenIterateUsingKeysReturnsAllKeys_thenCorrect() {
MapIteration mapIteration = new MapIteration();
ArrayList<String> list = mapIteration.iterateKeys(testMap);
assertTrue((list.contains("One")) && (list.contains("Two")) && (list.contains("Three")));
}
}