@Test
// test that arrays are equal but not the same
public void testGetDoubleValue() throws Exception {

    double[] input = new double[]{1.2, 4.8, 6.3, 9.9, 10E18};
    this.representation.setDoubleValue(input);
    double[] output = this.representation.getDoubleValue();
    Assert.assertArrayEquals(input, output, 0.0d);
    Assert.assertNotSame(input, output);
}