Bugzilla 51032: Fixed regression due to oversight in refactoring text-decoration.

Invalid values properly reported as errors again, instead of causing a NPE.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1089559 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/fo/properties/TextDecorationMaker.java

@@ -59,14 +59,16 @@ public class TextDecorationMaker extends ListProperty.Maker {
         boolean over = false;
         boolean through = false;
         boolean blink = false;
-        int enumValue;
+        int enumValue = -1;
         for (int i = lst.size(); --i >= 0;) {
             Property prop = (Property)lst.get(i);
             if (prop instanceof NCnameProperty) {
                 prop = checkEnumValues(prop.getString());
                 lst.set(i, prop);
             }
-            enumValue = prop.getEnum();
+            if (prop != null) {
+                enumValue = prop.getEnum();
+            }
             switch (enumValue) {
                 case Constants.EN_NONE:
                     if (under | over | through | blink) {
@@ -115,7 +117,7 @@ public class TextDecorationMaker extends ListProperty.Maker {
                             throw new PropertyException("Invalid combination of values");
                     }
                 default:
-                    throw new PropertyException("Invalid value specified: " + prop);
+                    throw new PropertyException("Invalid value specified: " + p);
             }
         }
         return listProp;

test/fotree/testcases/text-decoration_invalid_bug51032.fo

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<!-- $Id$ -->
+<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
+  <fo:layout-master-set>
+    <fo:simple-page-master master-name="simple" page-height="5in" page-width="3in">
+      <fo:region-body />
+    </fo:simple-page-master>
+  </fo:layout-master-set>
+  <fo:page-sequence master-reference="simple">
+    <fo:flow flow-name="xsl-region-body">
+      <fo:block>
+        <fo:inline text-decoration="italic">bap</fo:inline>
+      </fo:block>
+    </fo:flow>
+  </fo:page-sequence>
+</fo:root>