Added tests

.classpath

@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="src" path="src/main/java"/>
+	<classpathentry kind="src" path="src/test/java"/>
+	<classpathentry kind="src" path="src/test/resources"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="output" path="build/classes"/>
 </classpath>

build.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project default="build_jar" name="Create all Jars for Project VcfReader">
+	<property name="version" value="23.0.1" />
+
+	<property name="projectsPath" value="${user.home}/git" />
+	<echo message="projectsPath: ${projectsPath}" />
+
+	<property name="buildPath" value="build" />
+	<echo message="buildPath: ${buildPath}" />
+
+	<target name="build_jar" depends="cleanup_before, create_jar, cleanup_after" />
+
+	<target name="cleanup_before">
+		<delete dir="${buildPath}/bin" />
+		<mkdir dir="${buildPath}/bin" />
+	</target>
+
+	<target name="create_jar">
+		<javac debug="true" nowarn="true" deprecation="false" destdir="${buildPath}/bin" fork="yes" source="1.8" target="1.8" srcdir="src/main/java" includeantruntime="false" encoding="UTF-8" />
+
+		<jar destfile="${buildPath}/vcf-${version}.jar">
+			<manifest>
+				<attribute name="Version" value="${version}" />
+			</manifest>
+
+			<fileset dir="${buildPath}/bin" />
+
+			<fileset dir="" includes="LICENSE.txt"/>
+		</jar>
+
+		<jar destfile="${buildPath}/vcf-${version}_sources.jar">
+			<manifest>
+				<attribute name="Version" value="${version}" />
+			</manifest>
+
+		    <fileset dir="src/main/java" includes="**/*.java"/>
+
+			<fileset dir="" includes="LICENSE.txt"/>
+		</jar>
+	</target>
+
+	<target name="cleanup_after">
+		<delete dir="${buildPath}/bin" />
+	</target>
+</project>

src/test/java/de/soderer/utilities/vcf/VcfReaderWriterTest.java

@@ -0,0 +1,67 @@
+package de.soderer.utilities.vcf;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import de.soderer.utilities.vcf.utilities.BOMInputStream;
+
+public class VcfReaderWriterTest {
+	@SuppressWarnings("resource")
+	@Test
+	public void test1() throws Exception {
+		final File testfile = new File(getClass().getClassLoader().getResource("vcf/test.vcf").toURI());
+
+		File tempFile = File.createTempFile("VcfReaderWriterTest", ".vcf");
+
+		try {
+			int cardCount = 0;
+			try (VcfReader reader = new VcfReader(new FileInputStream(testfile));
+					VcfWriter writer = new VcfWriter(new FileOutputStream(tempFile), true)) {
+				VcfCard nextCard;
+				while ((nextCard = reader.readNextCard()) != null) {
+					cardCount++;
+					String version;
+					switch (cardCount) {
+						case 2:
+							version = "3.0";
+							break;
+						case 3:
+							version = "4.0";
+							break;
+						default:
+							version = "2.1";
+					}
+
+					writer.writeCard(nextCard, version);
+				}
+			} catch (final Exception e) {
+				e.printStackTrace();
+				Assert.fail(e.getMessage());
+			}
+
+			try (BufferedReader readerOriginal = new BufferedReader(new InputStreamReader(new BOMInputStream(new FileInputStream(testfile)).skipBOM(), StandardCharsets.UTF_8));
+					BufferedReader readerTest = new BufferedReader(new InputStreamReader(new BOMInputStream(new FileInputStream(tempFile)).skipBOM(), StandardCharsets.UTF_8))) {
+				int line = 0;
+				String nextLineOriginal;
+				String nextLineTest;
+				while ((nextLineOriginal = readerOriginal.readLine()) != null) {
+					nextLineTest = readerTest.readLine();
+					line++;
+					Assert.assertEquals("Unexpected data in line " + line, nextLineOriginal, nextLineTest);
+				}
+			}
+		} finally {
+			if (tempFile != null && tempFile.exists()) {
+				tempFile.delete();
+				tempFile = null;
+			}
+		}
+	}
+}

src/test/resources/vcf/test.vcf

@@ -0,0 +1,43 @@
+BEGIN:VCARD
+VERSION:2.1
+N;CHARSET=UTF-8;ENCODING=QUOTED-PRINTABLE:=4D=C3=BC=73=74=65=72=6D=61=6E=6E;=45=72=69=6B=61;;=44=72=2E;
+FN:Dr. Erika Mustermann
+ORG:Wikimedia
+ROLE:Kommunikation
+TITLE:Redaktion & Gestaltung
+PHOTO;JPEG:http://commons.wikimedia.org/wiki/File:Erika_Mustermann_2010.jpg
+TEL;WORK;VOICE:(0221) 9999123
+TEL;HOME;VOICE:(0221) 1234567
+EMAIL;PREF;INTERNET:erika@mustermann.de
+ADR;HOME:;;Heidestrasse 17;Koeln;;51147;Deutschland
+REV:2014-03-01T22:11:10Z
+END:VCARD
+BEGIN:VCARD
+VERSION:3.0
+N:Mustermann;Erika;;Dr.;
+FN:Dr. Erika Mustermann
+ORG:Wikimedia
+ROLE:Kommunikation
+TITLE:Redaktion & Gestaltung
+PHOTO;VALUE=URL;TYPE=JPEG:http://commons.wikimedia.org/wiki/File:Erika_Mustermann_2010.jpg
+TEL;TYPE=WORK,VOICE:+49 221 9999123
+TEL;TYPE=HOME,VOICE:+49 221 1234567
+EMAIL;TYPE=PREF,INTERNET:erika@mustermann.de
+ADR;TYPE=HOME:;;Heidestraße 17;Köln;;51147;Germany
+REV:2014-03-01T22:11:10Z
+URL:http://de.wikipedia.org/
+END:VCARD
+BEGIN:VCARD
+VERSION:4.0
+N:Mustermann;Erika;;Dr.;
+FN:Dr. Erika Mustermann
+ORG:Wikimedia
+ROLE:Kommunikation
+TITLE:Redaktion & Gestaltung
+PHOTO;MEDIATYPE=image/jpeg:http://commons.wikimedia.org/wiki/File:Erika_Mustermann_2010.jpg
+TEL;TYPE=work,voice;VALUE=uri:tel:+49-221-9999123
+TEL;TYPE=home,voice;VALUE=uri:tel:+49-221-1234567
+EMAIL:erika@mustermann.de
+ADR;TYPE=home;LABEL="Heidestraße 17\n51147 Köln\nDeutschland":;;Heidestraße 17;Köln;;51147;Germany
+REV:2014-03-01T22:11:10Z
+END:VCARD