FOP-3117: Allow creating a PDF 2.0 document

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1907234 13f79535-47bb-0310-9956-ffa450edef68

fop-core/src/main/java/org/apache/fop/pdf/Version.java

     /** PDF v1.6 */
     V1_6("1.6"),
     /** PDF v1.7 */
-    V1_7("1.7");
+    V1_7("1.7"),
+    /** PDF v2.0 */
+    V2_0("2.0");
 
     private String version;
 

fop-core/src/test/java/org/apache/fop/pdf/VersionTestCase.java

     public void testGetValue() {
         int index = 0;
         for (Version version : Version.values()) {
-            assertEquals(version, Version.getValueOf("1." + index++));
+            if (index > 7) {
+                assertEquals(version, Version.getValueOf("2.0"));
+            } else {
+                assertEquals(version, Version.getValueOf("1." + index++));
+            }
         }
     }
 
         // Test all the normal values
         int index = 0;
         for (Version version : Version.values()) {
-            assertTrue(version.toString().equals("1." + index++));
+            if (index > 7) {
+                assertTrue(version.toString().equals("2.0"));
+            } else {
+                assertTrue(version.toString().equals("1." + index++));
+            }
         }
     }
 
                 Version.V1_4,
                 Version.V1_5,
                 Version.V1_6,
-                Version.V1_7
+                Version.V1_7,
+                Version.V2_0
         };
 
         Version[] actual = Version.values();
 
         for (int i = 0; i < actual.length - 1; i++) {
             assertEquals(-1, actual[i].compareTo(expected[i + 1]));
-
             assertEquals(0, actual[i].compareTo(expected[i]));
-
             assertEquals(1, actual[i + 1].compareTo(expected[i]));
         }
     }