Add test coverage plugin
diff --git a/pom.xml b/pom.xml
index c3144df..8bcb820 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,30 @@
 		<maven.compiler.source>1.7</maven.compiler.source>
 		<maven.compiler.target>1.7</maven.compiler.target>
 	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.jacoco</groupId>
+				<artifactId>jacoco-maven-plugin</artifactId>
+				<version>0.7.4.201502262128</version>
+				<executions>
+					<execution>
+						<id>pre-unit-test</id>
+						<goals>
+							<goal>prepare-agent</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>post-unit-test</id>
+						<phase>test</phase>
+						<goals>
+							<goal>report</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
 	<profiles>
 		<profile>
 			<id>ossrh</id>