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From "Richard Eckart de Castilho (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-4728) Int2IntHashMap bug in containsKey()
Date Wed, 06 Jan 2016 21:40:39 GMT
Richard Eckart de Castilho created UIMA-4728:

             Summary: 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

There is a bug in containsKey() in the Int2IntHashMap. Use this test to check for the bug:

import java.util.HashMap;
import java.util.Map;
import org.apache.uima.internal.util.Int2IntHashMap;
import org.junit.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.");

Fails with:

java.lang.AssertionError: Map does not contain key [65]

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