/* * Copyright 2016 Rahel Lüthy * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ch.netzwerg.paleo; import org.junit.Test; import java.util.stream.DoubleStream; import static ch.netzwerg.paleo.ColumnIds.DoubleColumnId; import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; public class DoubleColumnTest extends AbstractBaseColumnTest<Double, DoubleColumn> { private static final DoubleColumnId ID = DoubleColumnId.of("test"); private static final double DELTA = 0.0001; @Override protected DoubleColumn.Builder builder() { return DoubleColumn.builder(ID); } @Test public void valueTypeSpecificBuilding() { DoubleColumn column = builder().add(1d).addAll(2, 9).add(0d).build(); assertMultipleValues(column); } @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); } @Test public void ofAllVarArgs() { DoubleColumn column = DoubleColumn.ofAll(ID, 1, 2, 9, 0); assertMultipleValues(column); } @Test public void ofAllStream() { DoubleStream stream = DoubleStream.of(1, 2, 9, 0); DoubleColumn column = DoubleColumn.ofAll(ID, stream); assertMultipleValues(column); } 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); } }