/
PaddingTest.java
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/
PaddingTest.java
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package org.eclipse.elk.alg.rectpacking;
/*******************************************************************************
* Copyright (c) 2020 Kiel University and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
import static org.junit.Assert.assertEquals;
import org.eclipse.elk.alg.rectpacking.options.RectPackingOptions;
import org.eclipse.elk.alg.test.PlainJavaInitialization;
import org.eclipse.elk.core.math.ElkPadding;
import org.eclipse.elk.core.options.CoreOptions;
import org.eclipse.elk.core.util.BasicProgressMonitor;
import org.eclipse.elk.graph.ElkNode;
import org.eclipse.elk.graph.util.ElkGraphUtil;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Test padding for rectpacking graphs.
*
* Padding is difficult for rectpacking, since it should influence the aspect ratio.
*
*/
public class PaddingTest {
@BeforeClass
public static void init() {
PlainJavaInitialization.initializePlainJavaLayout();
}
@Test
public void testTopPadding() {
ElkNode parent = ElkGraphUtil.createGraph();
ElkNode n1 = ElkGraphUtil.createNode(parent);
ElkNode n2 = ElkGraphUtil.createNode(parent);
ElkNode n3 = ElkGraphUtil.createNode(parent);
ElkNode n4 = ElkGraphUtil.createNode(parent);
parent.setProperty(CoreOptions.ALGORITHM, RectPackingOptions.ALGORITHM_ID);
parent.setProperty(RectPackingOptions.ASPECT_RATIO, 1.3);
parent.setProperty(CoreOptions.SPACING_NODE_NODE, 10.0);
parent.setProperty(CoreOptions.PADDING, new ElkPadding(1000, 0, 0, 0));
n1.setDimensions(30, 30);
n2.setDimensions(30, 30);
n3.setDimensions(30, 30);
n4.setDimensions(30, 30);
//
//
//
// __ __ __ __
//|__||__||__||__|
RectPackingLayoutProvider layoutProvider = new RectPackingLayoutProvider();
layoutProvider.layout(parent, new BasicProgressMonitor());
assertEquals("", 150.0, parent.getWidth(), 1);
assertEquals("", 1030.0, parent.getHeight(), 1);
assertEquals("", 0.0, n1.getX(), 1);
assertEquals("", 1000.0, n1.getY(), 1);
assertEquals("", 40.0, n2.getX(), 1);
assertEquals("", 1000.0, n2.getY(), 1);
assertEquals("", 80.0, n3.getX(), 1);
assertEquals("", 1000.0, n3.getY(), 1);
assertEquals("", 120.0, n4.getX(), 1);
assertEquals("", 1000.0, n4.getY(), 1);
}
@Test
public void testLeftPadding() {
ElkNode parent = ElkGraphUtil.createGraph();
ElkNode n1 = ElkGraphUtil.createNode(parent);
ElkNode n2 = ElkGraphUtil.createNode(parent);
ElkNode n3 = ElkGraphUtil.createNode(parent);
ElkNode n4 = ElkGraphUtil.createNode(parent);
parent.setProperty(CoreOptions.ALGORITHM, RectPackingOptions.ALGORITHM_ID);
parent.setProperty(RectPackingOptions.ASPECT_RATIO, 1.3);
parent.setProperty(CoreOptions.SPACING_NODE_NODE, 10.0);
parent.setProperty(CoreOptions.PADDING, new ElkPadding(0, 0, 0, 1000));
n1.setDimensions(30, 30);
n2.setDimensions(30, 30);
n3.setDimensions(30, 30);
n4.setDimensions(30, 30);
// __
// |__|
// |__|
// |__|
// |__|
RectPackingLayoutProvider layoutProvider = new RectPackingLayoutProvider();
layoutProvider.layout(parent, new BasicProgressMonitor());
assertEquals("", 1030.0, parent.getWidth(), 1);
assertEquals("", 150.0, parent.getHeight(), 1);
assertEquals("", 1000.0, n1.getX(), 1);
assertEquals("", 0.0, n1.getY(), 1);
assertEquals("", 1000.0, n2.getX(), 1);
assertEquals("", 40.0, n2.getY(), 1);
assertEquals("", 1000.0, n3.getX(), 1);
assertEquals("", 80.0, n3.getY(), 1);
assertEquals("", 1000.0, n4.getX(), 1);
assertEquals("", 120.0, n4.getY(), 1);
}
@Test
public void testBottomPadding() {
ElkNode parent = ElkGraphUtil.createGraph();
ElkNode n1 = ElkGraphUtil.createNode(parent);
ElkNode n2 = ElkGraphUtil.createNode(parent);
ElkNode n3 = ElkGraphUtil.createNode(parent);
ElkNode n4 = ElkGraphUtil.createNode(parent);
parent.setProperty(CoreOptions.ALGORITHM, RectPackingOptions.ALGORITHM_ID);
parent.setProperty(RectPackingOptions.ASPECT_RATIO, 1.3);
parent.setProperty(CoreOptions.SPACING_NODE_NODE, 10.0);
parent.setProperty(CoreOptions.PADDING, new ElkPadding(0, 0, 1000, 0));
n1.setDimensions(30, 30);
n2.setDimensions(30, 30);
n3.setDimensions(30, 30);
n4.setDimensions(30, 30);
// __ __ __ __
//|__||__||__||__|
//
//
//
//
RectPackingLayoutProvider layoutProvider = new RectPackingLayoutProvider();
layoutProvider.layout(parent, new BasicProgressMonitor());
assertEquals("", 150.0, parent.getWidth(), 1);
assertEquals("", 1030.0, parent.getHeight(), 1);
assertEquals("", 0.0, n1.getX(), 1);
assertEquals("", 0.0, n1.getY(), 1);
assertEquals("", 40.0, n2.getX(), 1);
assertEquals("", 0.0, n2.getY(), 1);
assertEquals("", 80.0, n3.getX(), 1);
assertEquals("", 0.0, n3.getY(), 1);
assertEquals("", 120.0, n4.getX(), 1);
assertEquals("", 0.0, n4.getY(), 1);
}
@Test
public void testRightPadding() {
ElkNode parent = ElkGraphUtil.createGraph();
ElkNode n1 = ElkGraphUtil.createNode(parent);
ElkNode n2 = ElkGraphUtil.createNode(parent);
ElkNode n3 = ElkGraphUtil.createNode(parent);
ElkNode n4 = ElkGraphUtil.createNode(parent);
parent.setProperty(CoreOptions.ALGORITHM, RectPackingOptions.ALGORITHM_ID);
parent.setProperty(RectPackingOptions.ASPECT_RATIO, 1.3);
parent.setProperty(CoreOptions.SPACING_NODE_NODE, 10.0);
parent.setProperty(CoreOptions.PADDING, new ElkPadding(0, 1000, 0, 0));
n1.setDimensions(30, 30);
n2.setDimensions(30, 30);
n3.setDimensions(30, 30);
n4.setDimensions(30, 30);
// __
//|__|
//|__|
//|__|
//|__|
RectPackingLayoutProvider layoutProvider = new RectPackingLayoutProvider();
layoutProvider.layout(parent, new BasicProgressMonitor());
assertEquals("", 1030.0, parent.getWidth(), 1);
assertEquals("", 150.0, parent.getHeight(), 1);
assertEquals("", 0.0, n1.getX(), 1);
assertEquals("", 0.0, n1.getY(), 1);
assertEquals("", 0.0, n2.getX(), 1);
assertEquals("", 40.0, n2.getY(), 1);
assertEquals("", 0.0, n3.getX(), 1);
assertEquals("", 80.0, n3.getY(), 1);
assertEquals("", 0.0, n4.getX(), 1);
assertEquals("", 120.0, n4.getY(), 1);
}
}