PDFBOX-6009: test that OBJR and MCR dictionaries have a /Pg entry itself or in the parent

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1925821 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java

@@ -69,6 +69,7 @@
 import org.apache.pdfbox.text.PDFMarkedContentExtractor;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
@@ -984,6 +985,12 @@ else if (kdict.containsKey(COSName.NUMS))
                 checkElement(pageTree, kdict.getDictionaryObject(COSName.NUMS), kdict);
             }
 
+            if (COSName.OBJR.equals(kdict.getDictionaryObject(COSName.TYPE)) ||
+                COSName.MCR.equals(kdict.getDictionaryObject(COSName.TYPE)))
+            {
+                assertFalse(kdict.getCOSDictionary(COSName.PG) == null && parentDict.getCOSDictionary(COSName.PG) == null);
+            }
+
             // if we're an object reference dictionary (/OBJR), check the obj
             if (kdict.containsKey(COSName.OBJ))
             {
@@ -1481,4 +1488,4 @@ void testPDFBox515() throws IOException
             assertEquals(233, bim.getHeight());
         }
     }
-}
+}