@Test public void of() { DoubleColumn column = DoubleColumn.of(ID, 42d); assertEquals(ID, column.getId()); assertEquals(1, column.getRowCount()); assertEquals(42d, column.getValueAt(0), DELTA); assertArrayEquals(new double[]{42}, column.valueStream().toArray(), DELTA); }
private static void assertMultipleValues(DoubleColumn column) { assertEquals(ID, column.getId()); assertEquals(4, column.getRowCount()); assertEquals(1, column.getValueAt(0), DELTA); assertEquals(0, column.getValueAt(column.getRowCount() - 1), DELTA); assertArrayEquals(new double[]{1, 2, 9, 0}, column.valueStream().toArray(), DELTA); }