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[MINOR] Some unit test code optimize (#2782)

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* Optimized code

* Optimized code
This commit is contained in:
Simon
2021-04-08 13:35:03 +08:00
committed by GitHub
parent 3a926aacf6
commit 18459d4045
2 changed files with 10 additions and 8 deletions
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9
hudi-client/hudi-client-common/src/test/java/org/apache/hudi/utils/TestConcatenatingIterator.java
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@@ -23,6 +23,7 @@ import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
@@ -36,8 +37,8 @@ public class TestConcatenatingIterator {
@Test
public void testConcatBasic() {
Iterator<Integer> i1 = Arrays.asList(5, 3, 2, 1).iterator();
Iterator<Integer> i2 = new ArrayList<Integer>().iterator(); // empty iterator
Iterator<Integer> i3 = Arrays.asList(3).iterator();
Iterator<Integer> i2 = Collections.emptyIterator(); // empty iterator
Iterator<Integer> i3 = Collections.singletonList(3).iterator();
ConcatenatingIterator<Integer> ci = new ConcatenatingIterator<>(Arrays.asList(i1, i2, i3));
List<Integer> allElements = new ArrayList<>();
@@ -51,9 +52,9 @@ public class TestConcatenatingIterator {
@Test
public void testConcatError() {
Iterator<Integer> i1 = new ArrayList<Integer>().iterator(); // empty iterator
Iterator<Integer> i1 = Collections.emptyIterator(); // empty iterator
ConcatenatingIterator<Integer> ci = new ConcatenatingIterator<>(Arrays.asList(i1));
ConcatenatingIterator<Integer> ci = new ConcatenatingIterator<>(Collections.singletonList(i1));
assertFalse(ci.hasNext());
try {
ci.next();