Add tests for java functionality.

Author: Vlastimil Zeman

test/java/build.xml

@@ -0,0 +1,17 @@
+<project name="Regression test" default="dist" basedir=".">
+  <description>
+    Simple build file
+  </description>
+  <!-- set global properties for this build -->
+  <property name="src" location="src"/>
+  <property name="build" location="build"/>
+
+  <target name="init">
+    <mkdir dir="${build}"/>
+  </target>
+
+  <target name="compile" depends="init"
+        description="compile the source">
+    <javac srcdir="${src}" destdir="${build}"/>
+  </target>
+</project>

test/java/pom.xml

@@ -0,0 +1,13 @@
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.diffblue.regression</groupId>
+  <artifactId>diffblue-regression-test</artifactId>
+  <version>1</version>
+  <packaging>jar</packaging>
+
+  <name>Diffblue Regression Test</name>
+
+</project>

test/java/src/main/java/com/diffblue/regression/My.java

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+package com.diffblue.regression;
+
+public class My {
+  public My(int i) {
+  } 
+}