fftester: subtable is a subtable of itself

Change-Id: I9de983e3c9436ab3a37d3482b0f18f04c7cdaaca

3 files changed, 9 insertions, 0 deletions

diff --git a/lotuswordpro/qa/cppunit/data/fail/recurse-3.lwp b/lotuswordpro/qa/cppunit/data/fail/recurse-3.lwp
new file mode 100644
index 000000000000..acb8c93cedaf
--- /dev/null
+++ b/lotuswordpro/qa/cppunit/data/fail/recurse-3.lwp
diff --git a/lotuswordpro/source/filter/xfilter/xfcell.hxx b/lotuswordpro/source/filter/xfilter/xfcell.hxx
index 001855e040e9..5d7b0c9999eb 100644
--- a/lotuswordpro/source/filter/xfilter/xfcell.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfcell.hxx
@@ -141,6 +141,8 @@ public:
      */
     virtual void    ToXml(IXFStream *pStrm) override;
 
+    const XFTable*  GetSubTable() const { return m_pSubTable; }
+
 private:
     XFRow          *m_pOwnerRow;
     XFTable        *m_pSubTable;
diff --git a/lotuswordpro/source/filter/xfilter/xftable.cxx b/lotuswordpro/source/filter/xfilter/xftable.cxx
index d139a85130c6..dadb43467210 100644
--- a/lotuswordpro/source/filter/xfilter/xftable.cxx
+++ b/lotuswordpro/source/filter/xfilter/xftable.cxx
@@ -91,6 +91,13 @@ void XFTable::AddRow(XFRow *pRow)
 {
     assert(pRow);
 
+    for (sal_Int32 i = 0; i < pRow->GetCellCount(); ++i)
+    {
+        XFCell* pFirstCell = pRow->GetCell(i + 1); //starts at 1, not 0
+        if (pFirstCell->GetSubTable() == this)
+            throw std::runtime_error("table is a subtable of itself");
+    }
+
     int row = pRow->GetRow();
 
     if( row<1 )