PDFBOX-6070: add test for 5521

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1928563 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

examples/src/test/java/org/apache/pdfbox/examples/pdmodel/TestCreateSignature.java

@@ -923,6 +923,34 @@ void testAddValidationInformation()
         checkLTV(outFile);
     }
 
+    /** 
+     * PDFBOX-5521: Check that UR3 signature doesn't interfere.
+     * 
+     * @param externallySign
+     *
+     * @throws IOException
+     * @throws GeneralSecurityException
+     * @throws CMSException
+     * @throws OperatorCreationException
+     * @throws TSPException
+     * @throws CertificateVerificationException 
+     */
+    @ParameterizedTest
+    @MethodSource("signingTypes")
+    void testPDFBox5521(boolean externallySign)
+            throws IOException, GeneralSecurityException, CMSException,
+            OperatorCreationException, TSPException, CertificateVerificationException
+    {
+        // sign PDF
+        CreateSignature signing = new CreateSignature(keyStore, PASSWORD.toCharArray());
+        signing.setExternalSigning(externallySign);
+
+        final String fileNameSigned = getOutputFileName("PDFBOX-5521-santander_freistellungsauftrag.pdf_signed{0}.pdf", externallySign);
+        final File file = new File("target/pdfs", "PDFBOX-5521-santander_freistellungsauftrag.pdf");
+        signing.signDetached(file, new File(OUT_DIR + fileNameSigned));
+        checkSignature(file, new File(OUT_DIR, fileNameSigned), false);
+    }
+
     private void checkLTV(File outFile)
             throws IOException, GeneralSecurityException, OCSPException, OperatorCreationException,
             CMSException