public void testSingleDataset() throws IOException {
InvCatalogImpl cat = TestTDSAll.open(null);
InvDataset ds = cat.findDatasetByID("testSingleDataset");
assert (ds != null) : "cant find dataset 'testSingleDataset'";
assert ds.getDataType() == FeatureType.GRID;
ThreddsDataFactory fac = new ThreddsDataFactory();
ThreddsDataFactory.Result dataResult = fac.openFeatureDataset(ds, null);
assert dataResult != null;
assert !dataResult.fatalError;
assert dataResult.featureDataset != null;
GridDataset gds = (GridDataset) dataResult.featureDataset;
GridDatatype grid = gds.findGridDatatype("Z_sfc");
assert grid != null;
GridCoordSystem gcs = grid.getCoordinateSystem();
assert gcs != null;
assert null == gcs.getVerticalAxis();
CoordinateAxis1D time = gcs.getTimeAxis1D();
assert time != null;
assert time.getSize() == 1;
assert 102840.0 == time.readScalarDouble();
dataResult.featureDataset.close();
}
