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Refactor RandomListElementTest

This commit is contained in:
Grzegorz Piwowarek 2016-10-07 12:03:53 +02:00
parent 6eaf0f7373
commit e1abedf15e
1 changed files with 5 additions and 5 deletions
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10
core-java-8/src/test/java/com/baeldung/RandomListElementTest.java
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@ -10,7 +10,7 @@ public class RandomListElementTest {
@Test
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingRandom() {
List<Integer> givenList = Arrays.asList(1, 2, 3);
List<Integer> givenList = Lists.newArrayList(1, 2, 3);
Random rand = new Random();
givenList.get(rand.nextInt(givenList.size()));
@ -18,7 +18,7 @@ public class RandomListElementTest {
@Test
public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom() {
List<Integer> givenList = Arrays.asList(1, 2, 3);
List<Integer> givenList = Lists.newArrayList(1, 2, 3);
givenList.get((int)(Math.random() * givenList.size()));
}
@ -26,7 +26,7 @@ public class RandomListElementTest {
@Test
public void givenList_whenNumberElementsChosen_shouldReturnRandomElementsRepeat() {
Random rand = new Random();
List<String> givenList = Arrays.asList("one", "two", "three", "four");
List<String> givenList = Lists.newArrayList("one", "two", "three", "four");
int numberOfElements = 2;
@ -52,7 +52,7 @@ public class RandomListElementTest {
@Test
public void givenList_whenSeriesLengthChosen_shouldReturnRandomSeries() {
List<Integer> givenList = Arrays.asList(1, 2, 3, 4, 5, 6);
List<Integer> givenList = Lists.newArrayList(1, 2, 3, 4, 5, 6);
Collections.shuffle(givenList);
int randomSeriesLength = 3;
@ -62,7 +62,7 @@ public class RandomListElementTest {
@Test
public void givenList_whenRandomIndexChosen_shouldReturnElementThreadSafely() {
List<Integer> givenList = Arrays.asList(1, 2, 3, 4, 5, 6);
List<Integer> givenList = Lists.newArrayList(1, 2, 3, 4, 5, 6);
int randomIndex = ThreadLocalRandom.current().nextInt(10) % givenList.size();
givenList.get(randomIndex);