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https://issues.apache.org/jira/browse/UIMA-4728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432218#comment-15432218
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Richard Eckart de Castilho commented on UIMA-4728:
--------------------------------------------------
[~schor] I had actually used it accidentally at the time. For primitive
collections, I normally use http://fastutil.di.unimi.it which has a class by a
similar name (Int2IntOpenHashMap). But since the UIMA implementation behaved
wrong, I reported the issue nevertheless.
> Int2IntHashMap bug in containsKey()
> -----------------------------------
>
> Key: UIMA-4728
> URL: https://issues.apache.org/jira/browse/UIMA-4728
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Affects Versions: 2.8.1SDK
> Reporter: Richard Eckart de Castilho
> Assignee: Marshall Schor
> Fix For: 2.9.0SDK
>
>
> There is a bug in containsKey() in the Int2IntHashMap. Use this test to check
> for the bug:
> {noformat}
> import java.util.HashMap;
> import java.util.Map;
> import org.apache.uima.internal.util.Int2IntHashMap;
> import org.junit.Test;
> @Test
> public void int2intTest()
> {
> Int2IntHashMap map1 = new Int2IntHashMap();
>
> Map<Integer, Integer> map2 = new HashMap<Integer, Integer>();
>
> for (int i = 1; i < 100; i++) {
> map1.put(i, 100-1);
> map2.put(i, 100-1);
> }
> for (int i = 1; i < 100; i++) {
> assertTrue("Map does not contain key ["+i+"]",
> map2.containsKey(i));
> }
>
> System.out.println("Reference map implementation ok.");
> for (int i = 1; i < 100; i++) {
> assertTrue("Map does not contain key ["+i+"]",
> map1.containsKey(i));
> }
>
> System.out.println("UIMA map implementation ok.");
> }
> {noformat}
> Fails with:
> {noformat}
> java.lang.AssertionError: Map does not contain key [65]
> {noformat}
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