(#1566) Generify JoinedListIterator

yegor256 · May 6, 2022 · 96afa40 · 96afa40
1 parent 0f13734
commit 96afa40
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/src/main/java/org/cactoos/list/JoinedListIterator.java b/src/main/java/org/cactoos/list/JoinedListIterator.java
@@ -64,7 +64,7 @@ public final class JoinedListIterator<T> implements ListIterator<T> {
      * @param items Items to concatenate
      */
     @SafeVarargs
-    public JoinedListIterator(final ListIterator<T>... items) {
+    public JoinedListIterator(final ListIterator<? extends T>... items) {
         this(new ListOf<>(items));
     }
 

diff --git a/src/test/java/org/cactoos/list/JoinedListIteratorTest.java b/src/test/java/org/cactoos/list/JoinedListIteratorTest.java
@@ -46,7 +46,7 @@ void joinsListIterators() {
         new Assertion<>(
             "Must concatenate iterable of listIterators together",
             new IterableOf<>(
-                new JoinedListIterator<>(
+                new JoinedListIterator<String>(
                     new ListOf<>("x").listIterator(),
                     new ListOf<>("y").listIterator()
                 )
@@ -60,7 +60,8 @@ void joinsListIterators() {
     void navigatesInNonEmptyIterator() {
         final ListIterator<Integer> joined = new JoinedListIterator<>(
             new ListOf<>(1).listIterator(),
-            new ListOf<>(2).listIterator()
+            new ListOf<>(2).listIterator(),
+            new ListOf<>(3).listIterator()
         );
         new Assertion<>(
             "Must call next method directly on non-empty listIterator for the first time",