more docs and tests

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@326639 13f79535-47bb-0310-9956-ffa450edef68

src/etc/testcases/taskdefs/unzip.xml

@@ -134,4 +134,14 @@
       </restrict>
     </unzip>
   </target>
+
+  <target name="testDocumentationClaimsOnCopy" depends="prepareTestZip">
+    <copy todir="unziptestout" preservelastmodified="true"> 
+      <zipfileset src="unziptest.zip">
+        <patternset>
+          <include name="2/"/>
+        </patternset>
+      </zipfileset>
+    </copy>
+  </target>
 </project>

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

@@ -178,4 +178,10 @@ public class UnzipTest extends BuildFileTest {
         assertFileExists("junit.jar has been extracted",
                          "unziptestout/junit/framework/Assert.class");
     }
+
+    public void testDocumentationClaimsOnCopy() {
+        executeTarget("testDocumentationClaimsOnCopy");
+        assertFileMissing("1/foo is excluded", "unziptestout/1/foo");
+        assertFileExists("2/bar is not excluded", "unziptestout/2/bar");
+    }
 }