add test for fdo#84556

Change-Id: I9b3af4f66513fff437facd17c0758ee92ac5744d

sc/qa/unit/subsequent_filters-test.cxx

@@ -2583,7 +2583,9 @@ void ScFiltersTest::testSharedFormulaXLSB()
 
 void ScFiltersTest::testSharedFormulaXLS()
 {
-    ScDocShellRef xDocSh = loadDoc("shared-formula/relative-refs.", XLS);
+    {
+        // fdo#80091
+        ScDocShellRef xDocSh = loadDoc("shared-formula/relative-refs1.", XLS);
         CPPUNIT_ASSERT(xDocSh.Is());
         ScDocument& rDoc = xDocSh->GetDocument();
         rDoc.CalcAll();
@@ -2600,6 +2602,39 @@ void ScFiltersTest::testSharedFormulaXLS()
         }
 
         xDocSh->DoClose();
+    }
+
+    {
+        // fdo#84556 and some related tests
+        ScDocShellRef xDocSh = loadDoc("shared-formula/relative-refs2.", XLS);
+        CPPUNIT_ASSERT(xDocSh.Is());
+        ScDocument& rDoc = xDocSh->GetDocument();
+        rDoc.CalcAll();
+
+        {
+            const ScFormulaCell* pFC = rDoc.GetFormulaCell(ScAddress(2,1,0));
+            CPPUNIT_ASSERT(pFC);
+            CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
+            CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
+
+            OUString aFormula;
+            rDoc.GetFormula(2, 1, 0, aFormula);
+            CPPUNIT_ASSERT_EQUAL(OUString("=SUM(B9:D9)"), aFormula);
+        }
+
+        {
+            const ScFormulaCell* pFC = rDoc.GetFormulaCell(ScAddress(4,8,0));
+            CPPUNIT_ASSERT(pFC);
+            CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
+            CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
+
+            OUString aFormula;
+            rDoc.GetFormula(4, 8, 0, aFormula);
+            CPPUNIT_ASSERT_EQUAL(OUString("=SUM(G9:EY9)"), aFormula);
+        }
+
+        xDocSh->DoClose();
+    }
 }
 
 void ScFiltersTest::testExternalRefCacheXLSX()