tdf#124272: vcl_pdfexport: Add unittest

Change-Id: I5d5aa7a2b9cc9c7cb522a84e00d48a348912ad95
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112341
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

2 files changed, 44 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/pdfexport/data/tdf124272.odt b/vcl/qa/cppunit/pdfexport/data/tdf124272.odt
new file mode 100644
index 000000000000..54d4dcb2a1a4
--- /dev/null
+++ b/vcl/qa/cppunit/pdfexport/data/tdf124272.odt
diff --git a/vcl/qa/cppunit/pdfexport/pdfexport.cxx b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
index 365a9a0955c1..a15832aeabff 100644
--- a/vcl/qa/cppunit/pdfexport/pdfexport.cxx
+++ b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
@@ -1688,6 +1688,50 @@ CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf115967)
     CPPUNIT_ASSERT_EQUAL(OUString("m=750abc"), sText);
 }
 
+CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf124272)
+{
+    // Import the bugdoc and export as PDF.
+    OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "tdf124272.odt";
+    mxComponent = loadFromDesktop(aURL);
+
+    uno::Reference<frame::XStorable> xStorable(mxComponent, uno::UNO_QUERY);
+    utl::MediaDescriptor aMediaDescriptor;
+    aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");
+    xStorable->storeToURL(maTempFile.GetURL(), aMediaDescriptor.getAsConstPropertyValueList());
+
+    // Parse the export result.
+    vcl::filter::PDFDocument aDocument;
+    SvFileStream aStream(maTempFile.GetURL(), StreamMode::READ);
+    CPPUNIT_ASSERT(aDocument.Read(aStream));
+
+    // The document has one page.
+    std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aPages.size());
+
+    // The page has a stream.
+    vcl::filter::PDFObjectElement* pContents = aPages[0]->LookupObject("Contents");
+    CPPUNIT_ASSERT(pContents);
+    vcl::filter::PDFStreamElement* pStream = pContents->GetStream();
+    CPPUNIT_ASSERT(pStream);
+    SvMemoryStream& rObjectStream = pStream->GetMemory();
+    // Uncompress it.
+    SvMemoryStream aUncompressed;
+    ZCodec aZCodec;
+    aZCodec.BeginCompression();
+    rObjectStream.Seek(0);
+    aZCodec.Decompress(rObjectStream, aUncompressed);
+    CPPUNIT_ASSERT(aZCodec.EndCompression());
+
+    OString aBitmap("Q q 299.899 782.189 m\n"
+                    "55.2 435.889 l 299.899 435.889 l 299.899 782.189 l\n"
+                    "h");
+
+    auto pStart = static_cast<const char*>(aUncompressed.GetData());
+    const char* pEnd = pStart + aUncompressed.GetSize();
+    auto it = std::search(pStart, pEnd, aBitmap.getStr(), aBitmap.getStr() + aBitmap.getLength());
+    CPPUNIT_ASSERT(it != pEnd);
+}
+
 CPPUNIT_TEST_FIXTURE(PdfExportTest, testTdf121615)
 {
     vcl::filter::PDFDocument aDocument;