[jira] [Created] (IGNITE-1863) IgniteAtomicReference.compareAndSet does not work for nulls

[Anton Vinogradov (Jira)]

Pavel  Tupitsyn created IGNITE-1863:
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             Summary: IgniteAtomicReference.compareAndSet does not work for nulls
                 Key: IGNITE-1863
                 URL: https://issues.apache.org/jira/browse/IGNITE-1863
             Project: Ignite
          Issue Type: Bug
          Components: data structures
    Affects Versions: 1.5
            Reporter: Pavel  Tupitsyn
             Fix For: 1.5


IgniteAtomicReference allows null as a value, but when current value is null, compareAndSet does not work:

{code}
        IgniteAtomicReference<String> atomic = ignite.atomicReference(atomicName, null, true);

        assertEquals(null, atomic.get());

        boolean res = atomic.compareAndSet(null, "x");

        assertEquals(null, atomic.get());   // ok
        assertTrue(res);                    // fail
        assertEquals("x", atomic.get());    // fail

{code}



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