done test changes

TestCalculator_JUnitResult.txt.txt

@@ -0,0 +1,8 @@
+Testsuite: junit.TestCalculator
+Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.049 sec
+
+Testcase: testDivideByZero took 0.008 sec
+Testcase: testAdd took 0 sec
+Testcase: testSubtract took 0.001 sec
+Testcase: testDivide took 0 sec
+Testcase: testMultiply took 0 sec

build.xml

@@ -1,4 +1,4 @@
-<project name="SampleBuild" default="compile" basedir=".">
+<project name="SampleBuild" default="war" basedir=".">
     <taskdef resource="com/puppycrawl/tools/checkstyle/ant/checkstyle-ant-task.properties"
          classpath="WebContent/WEB-INF/lib/checkstyle-7.8.2-all.jar"/>
 	<path id="compile.classpath">
@@ -10,7 +10,7 @@
         <mkdir dir="build/classes"/>
         <mkdir dir="dist"/>
     </target>
-	<target name="compile" depends="init">
+    <target name="compile" depends="init">
         <javac srcdir="src" debug="true" destdir="build/classes">
             <classpath refid="compile.classpath"/>
         </javac>
@@ -20,5 +20,18 @@
             <fileset dir="src/example" includes="**/*.java"/>
             <formatter type="xml" toFile="checkstyle_errors.xml"/>
         </checkstyle>
-   </target>
+    </target>
+    <target name="junit">
+        <junit printsummary="yes" haltonfailure="yes">
+              <classpath>
+                <pathelement location="build/classes"/>
+                <pathelement path="WebContent/WEB-INF/lib/junit.jar"/>
+                <pathelement path="WebContent/WEB-INF/lib/org.hamcrest.core_1.3.0.v201303031735.jar"/>
+              </classpath>
+              <test name="junit.TestCalculator" haltonfailure="no" outfile="TestCalculator_JUnitResult.txt">
+                <formatter type="plain"/>
+              </test>
+        </junit>
+    </target>
 </project>
+