fdo#76402: Write unit test for this first.

Change-Id: Ib4fccb0e29d4a21a211de4af2cdeaf956f9b9cc6

sc/inc/document.hxx

@@ -514,6 +514,19 @@ public:
     SC_DLLPUBLIC ScRangeName* GetRangeName() const;
     void SetRangeName(SCTAB nTab, ScRangeName* pNew);
     void SetRangeName( ScRangeName* pNewRangeName );
+
+    /**
+     * Insert a new named expression to the global scope.
+     *
+     * @param rName name for the expression.
+     * @param rPos base position.
+     * @param rExpr formula expression to be associated with the name.  The
+     *              current grammer is used to compile this expression.
+     *
+     * @return true if inserted successfully, false otherwise.
+     */
+    bool InsertNewRangeName( const OUString& rName, const ScAddress& rPos, const OUString& rExpr );
+
     SCTAB           GetMaxTableNumber() { return static_cast<SCTAB>(maTabs.size()) - 1; }
     void            SetMaxTableNumber(SCTAB nNumber) { nMaxTableNumber = nNumber; }
 

sc/qa/unit/ucalc.hxx

@@ -121,6 +121,7 @@ public:
     void testFormulaRefUpdateMove();
     void testFormulaRefUpdateMoveUndo();
     void testFormulaRefUpdateNamedExpression();
+    void testFormulaRefUpdateNamedExpressionExpandRef();
     void testMultipleOperations();
     void testFuncCOLUMN();
     void testFuncCOUNT();
@@ -366,6 +367,7 @@ public:
     CPPUNIT_TEST(testFormulaRefUpdateMove);
     CPPUNIT_TEST(testFormulaRefUpdateMoveUndo);
     CPPUNIT_TEST(testFormulaRefUpdateNamedExpression);
+    CPPUNIT_TEST(testFormulaRefUpdateNamedExpressionExpandRef);
     CPPUNIT_TEST(testMultipleOperations);
     CPPUNIT_TEST(testFuncCOLUMN);
     CPPUNIT_TEST(testFuncCOUNT);

sc/qa/unit/ucalc_formula.cxx

@@ -1818,6 +1818,68 @@ void Test::testFormulaRefUpdateNamedExpression()
     m_pDoc->DeleteTab(0);
 }
 
+void Test::testFormulaRefUpdateNamedExpressionExpandRef()
+{
+    m_pDoc->InsertTab(0, "Test");
+    m_pDoc->SetExpandRefs(true); // turn on automatic range expansion.
+
+    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn auto calc on.
+
+    bool bInserted = m_pDoc->InsertNewRangeName("MyRange", ScAddress(0,0,0), "$A$1:$A$3");
+    CPPUNIT_ASSERT(bInserted);
+
+    // Set values to A1:A3.
+    m_pDoc->SetValue(ScAddress(0,0,0), 1.0);
+    m_pDoc->SetValue(ScAddress(0,1,0), 2.0);
+    m_pDoc->SetValue(ScAddress(0,2,0), 3.0);
+
+    m_pDoc->SetString(ScAddress(0,5,0), "=SUM(MyRange)");
+    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(0,5,0)));
+
+    // Insert a new row at row 4, which should expand the named range to A1:A4.
+    ScDocFunc& rFunc = getDocShell().GetDocFunc();
+    ScMarkData aMark;
+    aMark.SelectOneTable(0);
+    rFunc.InsertCells(ScRange(0,3,0,MAXCOL,3,0), &aMark, INS_INSROWS, false, true, false);
+    ScRangeData* pName = m_pDoc->GetRangeName()->findByUpperName("MYRANGE");
+    CPPUNIT_ASSERT(pName);
+    OUString aSymbol;
+    pName->GetSymbol(aSymbol, m_pDoc->GetGrammar());
+    CPPUNIT_ASSERT_EQUAL(OUString("$A$1:$A$4"), aSymbol);
+
+    // Make sure the listening area has been expanded as well.  Note the
+    // formula cell has been pushed downward by one cell.
+    m_pDoc->SetValue(ScAddress(0,3,0), 4.0);
+    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(0,6,0)));
+
+    // Clear the document and start over.
+    m_pDoc->GetRangeName()->clear();
+    clearSheet(m_pDoc, 0);
+
+    // Set values to B4:B6.
+    m_pDoc->SetValue(ScAddress(1,3,0), 1.0);
+    m_pDoc->SetValue(ScAddress(1,4,0), 2.0);
+    m_pDoc->SetValue(ScAddress(1,5,0), 3.0);
+
+    bInserted = m_pDoc->InsertNewRangeName("MyRange", ScAddress(0,0,0), "$B$4:$B$6");
+    CPPUNIT_ASSERT(bInserted);
+
+    // Set formula to A1.
+    m_pDoc->SetString(ScAddress(0,0,0), "=SUM(MyRange)");
+    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(0,0,0));
+
+    // Insert rows over 3:5 which should expand the range by 3 rows.
+    rFunc.InsertCells(ScRange(0,2,0,MAXCOL,4,0), &aMark, INS_INSROWS, false, true, false);
+
+    pName = m_pDoc->GetRangeName()->findByUpperName("MYRANGE");
+    CPPUNIT_ASSERT(pName);
+
+    pName->GetSymbol(aSymbol, m_pDoc->GetGrammar());
+    CPPUNIT_ASSERT_EQUAL(OUString("$B$4:$B$9"), aSymbol);
+
+    m_pDoc->DeleteTab(0);
+}
+
 void Test::testMultipleOperations()
 {
     m_pDoc->InsertTab(0, "MultiOp");

sc/source/core/data/documen3.cxx

@@ -207,6 +207,16 @@ void ScDocument::SetRangeName( ScRangeName* pNewRangeName )
     pRangeName = pNewRangeName;
 }
 
+bool ScDocument::InsertNewRangeName( const OUString& rName, const ScAddress& rPos, const OUString& rExpr )
+{
+    ScRangeName* pGlobalNames = GetRangeName();
+    if (!pGlobalNames)
+        return false;
+
+    ScRangeData* pName = new ScRangeData(this, rName, rExpr, rPos, RT_NAME, GetGrammar());
+    return pGlobalNames->insert(pName);
+}
+
 const ScRangeData* ScDocument::GetRangeAtBlock( const ScRange& rBlock, OUString* pName ) const
 {
     const ScRangeData* pData = NULL;