error in case: get double array (4 elements) property, modify it, write it back, get it again -> wrong values

testresults.txt

arrays first differed at element [2]; expected:<15.0> but was:<13.0>
arrays first differed at element [2]; expected:<25.0> but was:<21.0>
arrays first differed at element [2]; expected:<99.0> but was:<73.0>

arrays first differed at element [2]; expected:<99.0> but was:<73.0>

Expected :99.0
Actual   :73.0
 <Click to see difference>
  at org.junit.internal.ComparisonCriteria.arrayEquals(ComparisonCriteria.java:50)
	at org.junit.Assert.assertArrayEquals(Assert.java:419)
	at org.junit.Assert.assertArrayEquals(Assert.java:430)
	at org.neo4j.collections.DoubleArrayUpdateTest.testUpdateDoubleArrayProperty(DoubleArrayUpdateTest.java:35)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:74)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:202)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:65)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)

UpdatingDoubleArrayFailsTest.java

import org.junit.Before;
import org.junit.Test;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.test.TestGraphDatabaseFactory;

import static org.junit.Assert.assertArrayEquals;

public class DoubleArrayUpdateTest {

    private GraphDatabaseService db;

    @Before
    public void setUp() throws Exception {
        db = new TestGraphDatabaseFactory().newImpermanentDatabase();
    }

    @Test
    public void testUpdateDoubleArrayProperty() throws Exception {
        db.beginTx();
        Node node = db.createNode();
        node.setProperty("foo", new double[]{0, 0, 0, 0});
        AssertionError error=null;
        for (int i=0;i<100;i++) {
            double[] data= (double[]) node.getProperty("foo");
            data[2]=i;
            data[3]=i;
            node.setProperty("foo", data);
            try {
                assertArrayEquals(new double[]{0, 0, i, i}, (double[])node.getProperty("foo"),0.1D);
            } catch(AssertionError ae) {
                System.out.println(ae.getMessage());
                error=ae;
            }
        }
        if (error!=null) throw error;
    }
    @Test
    public void testSetDoubleArrayProperty() throws Exception {
        db.beginTx();
        Node node = db.createNode();
        AssertionError error=null;
        for (int i=0;i<100;i++) {
            node.setProperty("foo", new double[]{0, 0, i, i});
            try {
                assertArrayEquals(new double[]{0, 0, i, i}, (double[])node.getProperty("foo"),0.1D);
            } catch(AssertionError ae) {
                System.out.println(ae.getMessage());
                error=ae;
            }
        }
        if (error!=null) throw error;
    }

}