[jira] [Created] (GROOVY-8653) foreach index value error

["chenxiaojie (JIRA)" <ji...@apache.org>]

chenxiaojie created GROOVY-8653:
-----------------------------------

             Summary: foreach index value error
                 Key: GROOVY-8653
                 URL: https://issues.apache.org/jira/browse/GROOVY-8653
             Project: Groovy
          Issue Type: Bug
          Components: Groovy Console, groovy-jdk
    Affects Versions: 2.4.15, 2.3.7
         Environment: jdk1.7.0_79
            Reporter: chenxiaojie


        ConcurrentHashMap<Integer, AtomicInteger> map = new ConcurrentHashMap<Integer, AtomicInteger>(10000)
        ConcurrentHashMap<Integer, AtomicInteger> map2 = new ConcurrentHashMap<Integer, AtomicInteger>(10000)
        ConcurrentHashMap<Integer, AtomicInteger> map3 = new ConcurrentHashMap<Integer, AtomicInteger>(10000)
        ExecutorService es = Executors.newFixedThreadPool(100)

        1.upto(10000) {
            i ->
                es.execute {
                    AtomicInteger count = map.get(i)
                    if (count == null) {
                        count = new AtomicInteger(0)
                        AtomicInteger oldCount = map.putIfAbsent(i, count)
                        if (oldCount != null) {
                            count = oldCount
                        }
                    }
                    count.incrementAndGet()
                }
        }

        for (Integer i = 0; i < 10000; i++) {
            es.execute {
                AtomicInteger count = map2.get(i)
                if (count == null) {
                    count = new AtomicInteger(0)
                    AtomicInteger oldCount = map2.putIfAbsent(i, count)
                    if (oldCount != null) {
                        count = oldCount
                    }
                }
                count.incrementAndGet()
            }
        }


        for (Integer i = 0; i < 10000; i++) {
            Integer j = i
            es.execute {
                AtomicInteger count = map3.get(j)
                if (count == null) {
                    count = new AtomicInteger(0)
                    AtomicInteger oldCount = map3.putIfAbsent(j, count)
                    if (oldCount != null) {
                        count = oldCount
                    }
                }
                count.incrementAndGet()
            }
        }

        es.shutdown()
        es.awaitTermination(1, TimeUnit.MINUTES)
        // println 10000
        println map.size()
        {color:red}// println 6583 ??? size is 0-10000 integer
        println map2.size(){color}
        // println 10000
        println map3.size()



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