svn commit: r1923386 - /pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java

[tilman]

Author: tilman
Date: Sun Jan 26 18:16:38 2025
New Revision: 1923386

URL: http://svn.apache.org/viewvc?rev=1923386&view=rev
Log:
PDFBOX-5939: add unit test case

Modified:
    
pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java

Modified: 
pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java
URL: 
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java?rev=1923386&r1=1923385&r2=1923386&view=diff
==============================================================================
--- 
pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java
 (original)
+++ 
pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/multipdf/PDFMergerUtilityTest.java
 Sun Jan 26 18:16:38 2025
@@ -1330,4 +1330,26 @@ class PDFMergerUtilityTest
             assertTrue(((PDActionGoTo) link.getAction()).getDestination() 
instanceof PDNamedDestination);
         }
     }
+
+    /**
+     * PDFBOX-5939: merge a file with an outline that has itself as a parent 
without producing a
+     * stack overflow.
+     *
+     * @throws IOException 
+     */
+    @Test
+    void testOutlinesSelfParent() throws IOException
+    {
+        PDFMergerUtility pdfMergerUtility = new PDFMergerUtility();
+        pdfMergerUtility.addSource(new File(TARGETPDFDIR, 
"PDFBOX-5939-google-docs-1.pdf"));
+        pdfMergerUtility.addSource(new File(TARGETPDFDIR, 
"PDFBOX-5939-google-docs-1.pdf"));
+        pdfMergerUtility.setDestinationFileName(TARGETTESTDIR + 
"PDFBOX-5939-google-docs-result.pdf");
+        pdfMergerUtility.mergeDocuments(IOUtils.createMemoryOnlyStreamCache());
+
+        try (PDDocument mergedDoc = Loader
+                .loadPDF(new File(TARGETTESTDIR, 
"PDFBOX-5939-google-docs-result.pdf")))
+        {
+            assertEquals(2, mergedDoc.getNumberOfPages());
+        }
+    }
 }