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https://issues.apache.org/jira/browse/COLLECTIONS-795?focusedWorklogId=604848&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-604848
]
ASF GitHub Bot logged work on COLLECTIONS-795:
----------------------------------------------
Author: ASF GitHub Bot
Created on: 02/Jun/21 00:50
Start Date: 02/Jun/21 00:50
Worklog Time Spent: 10m
Work Description: anantdamle commented on a change in pull request #238:
URL:
https://github.com/apache/commons-collections/pull/238#discussion_r643576883
##########
File path:
src/test/java/org/apache/commons/collections4/iterators/PairedIteratorTest.java
##########
@@ -0,0 +1,150 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.collections4.iterators;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Random;
+import java.util.UUID;
+import org.apache.commons.collections4.IteratorUtils;
+import org.apache.commons.collections4.iterators.PairedIterator.PairedItem;
+
+
+/** Unit test suite for {@link ZippingIterator}. */
+public final class PairedIteratorTest
+ extends AbstractIteratorTest<PairedItem<String, Integer>> {
+
+ //------------------------------------------------------------ Conventional
+
+ public PairedIteratorTest(String testName) {
+ super(testName);
+ }
+
+ //------------------------------------------------------------ Lifecycle
+
+ private ArrayList<String> smallStringsList = null;
+ private ArrayList<String> largeStringsList = null;
+ private ArrayList<Integer> smallIntsList = null;
+ private ArrayList<Integer> largeIntsList = null;
+
+ // Unequal sized lists
+ private static final int SMALL_LIST_SIZE = 20;
Review comment:
Its asserted in two tests: `testLeftIteratorLargerThanRight` and
`testRightIteratorLargerThanLeft`
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Issue Time Tracking
-------------------
Worklog Id: (was: 604848)
Time Spent: 3.5h (was: 3h 20m)
> provide a PairIterator to zip two iterators of different types.
> ---------------------------------------------------------------
>
> Key: COLLECTIONS-795
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-795
> Project: Commons Collections
> Issue Type: New Feature
> Components: Iterator
> Reporter: Anant Damle
> Priority: Minor
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> ZippingIterator provides a way to simulatenously iterate over multiple
> iterators of the *same-type.*
> The proposed pair iterator allows simultaneously iterating over two iterators
> of different type, like the example below:
> {code:java}
> Iterator<L> leftIterator = ...;
> Iterator<R> rightIterator = ...;
> PairIterator<L,R> pairIterator = PairIterator.of(leftIterator, rightIterator);
> while (pairIterator.hasNext()) {
> ImmutablePair<L,R> item = pairIterator.next();
> ...
> }{code}
>
> Another convenience could be to use an Iterable for easy for-each constructs.
> {code:java}
> List<Integer> studentIds = ...
> List<String> studentNames = ...
> for (PairedItem<Integer, String> items :
> IterableUtils.pairedIterable(studentIds, studentNames) {
> Integer studentId = item.getLeft();
> String studentName = item.getRight();
> ...
> }
> {code}
>
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