Tests: anim: add a test for getNormalizedPathSegList(), see #50

echosvg-test/src/test/java/io/sf/carte/echosvg/anim/dom/NormalizedPathSegListTest.java

@@ -0,0 +1,166 @@
+/*
+
+   See the NOTICE file distributed with this work for additional
+   information regarding copyright ownership.
+
+   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 io.sf.carte.echosvg.anim.dom;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.net.URL;
+import java.text.NumberFormat;
+import java.util.Locale;
+
+import org.junit.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.svg.SVGDocument;
+import org.w3c.dom.svg.SVGPathSeg;
+import org.w3c.dom.svg.SVGPathSegCurvetoCubicAbs;
+import org.w3c.dom.svg.SVGPathSegLinetoAbs;
+import org.w3c.dom.svg.SVGPathSegList;
+import org.w3c.dom.svg.SVGPathSegMovetoAbs;
+
+import io.sf.carte.echosvg.dom.util.DocumentFactory;
+import io.sf.carte.echosvg.dom.util.SAXDocumentFactory;
+
+/**
+ * To test the NormalizedPathSegList.
+ *
+ * @author github.com/carlosame
+ * @author For later modifications, see Git history.
+ * @version $Id$
+ */
+public class NormalizedPathSegListTest {
+
+	/*
+	 * @formatter:off
+	 */
+	String pathRef1 = "M 118.5 102.5\n"
+			+ "C 159 62,118.5 80.17,136.67 62\n"
+			+ "L 303 62\n"
+			+ "C 343.5 102.5,325.33 62,343.5 80.17\n"
+			+ "L 343.5 150.5\n"
+			+ "C 313.48 171.67,343.5 158.74,327.33 167.05\n"
+			+ "C 231 183,291.56 178.98,262.27 183\n"
+			+ "C 148.52 171.67,199.73 183,170.44 178.98\n"
+			+ "C 118.5 150.5,134.67 167.05,118.5 158.74\n"
+			+ "z\n"
+			+ "M 118.5 230.5\n"
+			+ "L 118.5 221.98\n"
+			+ "C 143.77 233.9,124.47 226.12,132.65 230.19\n"
+			+ "C 231 246,167.18 241.7,198.16 246\n"
+			+ "C 318.23 233.9,263.84 246,294.82 241.7\n"
+			+ "C 343.5 221.98,329.35 230.19,337.53 226.12\n"
+			+ "L 343.5 230.5\n"
+			+ "C 303 271,343.5 252.83,325.33 271\n"
+			+ "L 159 271\n"
+			+ "C 118.5 182.5,136.67 223,118.5 204.83\n"
+			+ "z\n";
+	/*
+	 * @formatter:on
+	 */
+
+	private static final NumberFormat fmt;
+
+	static {
+		fmt = NumberFormat.getInstance(Locale.ROOT);
+		fmt.setMaximumFractionDigits(2);
+		fmt.setMinimumFractionDigits(0);
+	}
+
+	@Test
+	public void testNormalizedPath() throws IOException {
+		loadAndCompare("io/sf/carte/echosvg/anim/dom/normalizedPath.svg", pathRef1);
+	}
+
+	private static void loadAndCompare(String docPath, String pathRef) throws IOException {
+		SVGDocument doc = loadDocument(docPath);
+		assertNotNull(doc);
+
+		Element path1 = doc.getElementById("path1");
+		assertNotNull(path1);
+		assertTrue(path1 instanceof SVGOMPathElement);
+		SVGOMPathElement pathElm = (SVGOMPathElement) path1;
+
+		SVGPathSegList nSegList = pathElm.getNormalizedPathSegList();
+		assertNotNull(nSegList);
+
+		comparePathToRef(pathRef, nSegList);
+	}
+
+	private static SVGDocument loadDocument(String testFileName) throws IOException {
+		DocumentFactory df = new SAXDocumentFactory(SVGDOMImplementation.getDOMImplementation(), null);
+
+		URL url = NormalizedPathSegListTest.class.getClassLoader().getResource(testFileName);
+		Document doc = df.createDocument("http://www.w3.org/2000/svg", "svg", url.toString(), url.openStream());
+
+		return (SVGDocument) doc;
+	}
+
+	private static void comparePathToRef(String pathRef, SVGPathSegList nSegList) {
+		StringBuilder buf = new StringBuilder(64);
+		int num = nSegList.getNumberOfItems();
+
+		for (int i = 0; i < num; i++) {
+			SVGPathSeg pathSeg = nSegList.getItem(i);
+			serializePathSeg(pathSeg, buf);
+		}
+		assertEquals(pathRef, buf.toString());
+	}
+
+	private static void serializePathSeg(SVGPathSeg pathSeg, StringBuilder buf) {
+		buf.append(pathSeg.getPathSegTypeAsLetter());
+		switch (pathSeg.getPathSegType()) {
+		case SVGPathSeg.PATHSEG_MOVETO_ABS:
+			buf.append(' ');
+			SVGPathSegMovetoAbs m = (SVGPathSegMovetoAbs) pathSeg;
+			buf.append(fmt.format(m.getX()));
+			buf.append(' ');
+			buf.append(fmt.format(m.getY()));
+			break;
+		case SVGPathSeg.PATHSEG_LINETO_ABS:
+			buf.append(' ');
+			SVGPathSegLinetoAbs l = (SVGPathSegLinetoAbs) pathSeg;
+			buf.append(fmt.format(l.getX()));
+			buf.append(' ');
+			buf.append(fmt.format(l.getY()));
+			break;
+		case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+			buf.append(' ');
+			SVGPathSegCurvetoCubicAbs c = (SVGPathSegCurvetoCubicAbs) pathSeg;
+			buf.append(fmt.format(c.getX()));
+			buf.append(' ');
+			buf.append(fmt.format(c.getY()));
+			buf.append(',');
+			buf.append(fmt.format(c.getX1()));
+			buf.append(' ');
+			buf.append(fmt.format(c.getY1()));
+			buf.append(',');
+			buf.append(fmt.format(c.getX2()));
+			buf.append(' ');
+			buf.append(fmt.format(c.getY2()));
+			break;
+		case SVGPathSeg.PATHSEG_CLOSEPATH:
+			break;
+		}
+		buf.append('\n');
+	}
+
+}