@Test
public void testThatAccumulateWithSummaryStxOpGetsTheRightMinMax() {
final Band testBand = createFloatTestBand(10, 10, 20, 60);
final SummaryStxOp stxOp = new SummaryStxOp();
StxFactory.accumulate(testBand, 0, null, null, stxOp, ProgressMonitor.NULL);
assertEquals(20, stxOp.getMinimum(), 1e-44);
assertEquals(60, stxOp.getMaximum(), 1e-44);
assertEquals(40, stxOp.getMean(), 1e-7);
final double variance = 137.4009443244;
assertEquals(variance, stxOp.getVariance(), 1e-7);
assertEquals(Math.sqrt(variance), stxOp.getStandardDeviation(), 1e-7);
}