Merge pull request #4 from sullis/travis-openjdk11

add 'openjdk11' to Travis build matrix
diff --git a/pom.xml b/pom.xml
index 53c9d9c..46d5e4b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -221,7 +221,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>2.3.2</version>
+        <version>3.7.0</version>
         <configuration>
           <source>${maven.compile.source}</source>
           <target>${maven.compile.target}</target>
@@ -251,7 +251,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>2.3.1</version>
+        <version>3.1.0</version>
         <configuration>
           <archive>
             <compress>true</compress>
@@ -262,7 +262,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-clean-plugin</artifactId>
-        <version>2.4.1</version>
+        <version>3.1.0</version>
       </plugin>
       <plugin>
         <artifactId>maven-assembly-plugin</artifactId>
@@ -310,7 +310,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.13</version>
+          <version>2.21.0</version>
         </plugin>
       </plugins>
     </pluginManagement>
diff --git a/src/test/java/org/apache/commons/ognl/internal/MethodPermCacheTest.java b/src/test/java/org/apache/commons/ognl/internal/MethodPermCacheTest.java
index 829ffb3..af7a77e 100644
--- a/src/test/java/org/apache/commons/ognl/internal/MethodPermCacheTest.java
+++ b/src/test/java/org/apache/commons/ognl/internal/MethodPermCacheTest.java
@@ -34,21 +34,35 @@
  * Date: 10/17/11
  * Time: 12:13 AM
  */
-public class MethodPermCacheTest
-{
-    private SecurityManager securityManager =new DummySecurityManager();
+public class MethodPermCacheTest {
+    private SecurityManager allowAllSecurityManager = new AllowAllSecurityManager();
+    private SecurityManager denyAllSecurityManager = new DenyAllSecurityManager();
 
-    Cache<Method, Boolean> cache =
-        new ConcurrentHashMapCache<Method, Boolean>( new MethodPermCacheEntryFactory( securityManager ) );
+    private Cache<Method, Boolean> createCache(SecurityManager securityManager) {
+        return new ConcurrentHashMapCache<Method, Boolean>(new MethodPermCacheEntryFactory(securityManager) );
+    }
+
     @Test
-    public void testGetPublicMethod( )
+    public void testGetPublicMethod_returnsTrue( )
         throws CacheException, NoSuchMethodException
     {
+        Cache<Method, Boolean> cache = createCache(allowAllSecurityManager);
+
         Method method = Root.class.getMethod( "getArray");
         Assert.assertTrue( cache.get( method ) );
     }
 
-    private class DummySecurityManager
+    @Test
+    public void testGetPublicMethod_returnsFalse( )
+            throws CacheException, NoSuchMethodException
+    {
+        Cache<Method, Boolean> cache = createCache(denyAllSecurityManager);
+        Method method = Root.class.getMethod( "getArray");
+
+        Assert.assertFalse( cache.get( method ) );
+    }
+
+    private class AllowAllSecurityManager
         extends SecurityManager
     {
         @Override
@@ -56,4 +70,14 @@
         {
         }
     }
+
+    private class DenyAllSecurityManager
+            extends SecurityManager
+    {
+        @Override
+        public void checkPermission( Permission perm )
+        {
+            throw new SecurityException("Denied.");
+        }
+    }
 }