Add a testcase that demonstrates why FOP's build fails right now.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270140 13f79535-47bb-0310-9956-ffa450edef68

src/etc/testcases/taskdefs/taskdef.xml

@@ -62,4 +62,12 @@
     </global>
   </target>
 
+  <target name="testOverride">
+    <taskdef name="copy" classname="org.apache.tools.ant.taskdefs.Echo" />
+    <copy>In target</copy>
+    <sequential>
+      <copy>In TaskContainer</copy>
+    </sequential>
+  </target>
+
 </project>

src/testcases/org/apache/tools/ant/taskdefs/TaskdefTest.java

@@ -105,4 +105,15 @@ public class TaskdefTest extends BuildFileTest {
     public void testGlobal() {
         expectLog("testGlobal", "worked");
     }
+
+    public void testOverride() {
+        executeTarget("testOverride");
+        String log = getLog();
+        assertTrue("override warning sent", 
+                   log.indexOf("Trying to override old definition of task copy") > -1);
+        assertTrue("task inside target worked", 
+                   log.indexOf("In target") > -1);
+        assertTrue("task inside target worked", 
+                   log.indexOf("In TaskContainer") > -1);
+    }
 }