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Posted to issues@ignite.apache.org by "Nikolay Izhikov (Jira)" <ji...@apache.org> on 2019/09/28 07:36:00 UTC
[jira] [Created] (IGNITE-12240) ReadOnlyCollectionView2X fails on
iterator.next
Nikolay Izhikov created IGNITE-12240:
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Summary: ReadOnlyCollectionView2X fails on iterator.next
Key: IGNITE-12240
URL: https://issues.apache.org/jira/browse/IGNITE-12240
Project: Ignite
Issue Type: Bug
Affects Versions: 2.7.6
Reporter: Nikolay Izhikov
Simple reproducer below will throw {{NoSuchElementException}}.
Iterator only works if one call {{hasNext}} before {{next}}.
{code:java}
/** */
@Test
public void testReadOnlyCollection() throws Exception {
Collection<String> c1 = Collections.emptyList();
Collection<String> c2 = Arrays.asList("1");
ReadOnlyCollectionView2X<String> view = new ReadOnlyCollectionView2X<>(c1, c2);
assertEquals("1", view.iterator().next());
}
{code}
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