libreoffice/sc/qa/unit/ucalc_sharedformula.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include "helper/debughelper.hxx"
#include "helper/qahelper.hxx"
#include <editutil.hxx>
#include <formulacell.hxx>
#include <cellvalue.hxx>
#include <scopetools.hxx>
#include <docfunc.hxx>
#include <dbdocfun.hxx>
#include <tokenstringcontext.hxx>
#include <globalnames.hxx>
#include <dbdata.hxx>
#include <bcaslot.hxx>
#include <undomanager.hxx>

#include <sfx2/docfile.hxx>

#include <memory>
#include <string_view>

using ::std::cerr;
using ::std::endl;

class TestSharedFormula : public ScUcalcTestBase
{
};

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulas)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);

    ScAddress aPos(1, 9, 0); // B10
    m_pDoc->SetString(aPos, u"=A10*2"_ustr); // Insert into B10.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("Expected to be a non-shared cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("Expected to be a non-shared cell.", !pFC->IsShared());

    aPos.SetRow(10); // B11
    m_pDoc->SetString(aPos, u"=A11*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(9), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(8); // B9
    m_pDoc->SetString(aPos, u"=A9*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(12); // B13
    m_pDoc->SetString(aPos, u"=A13*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This formula cell shouldn't be shared yet.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This formula cell shouldn't be shared yet.", !pFC->IsShared());

    // Insert a formula to B12, and B9:B13 should be shared.
    aPos.SetRow(11); // B12
    m_pDoc->SetString(aPos, u"=A12*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(5), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Insert formulas to B15:B16.
    aPos.SetRow(14); // B15
    m_pDoc->SetString(aPos, u"=A15*2"_ustr);
    aPos.SetRow(15); // B16
    m_pDoc->SetString(aPos, u"=A16*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(14), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Insert a formula to B14, and B9:B16 should be shared.
    aPos.SetRow(13); // B14
    m_pDoc->SetString(aPos, u"=A14*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Insert an incompatible formula to B12, to split the shared range to B9:B11 and B13:B16.
    aPos.SetRow(11); // B12
    m_pDoc->SetString(aPos, u"=$A$1*4"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell shouldn't be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell shouldn't be shared.", !pFC->IsShared());

    aPos.SetRow(8); // B9
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(12); // B13
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(12), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Extend B13:B16 to B13:B20.
    aPos.SetRow(16); // B17
    m_pDoc->SetString(aPos, u"=A17*2"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A18*2"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A19*2"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A20*2"_ustr);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell is expected to be a shared formula cell.", pFC->IsShared());
    // B13:B20 should be shared.
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(12), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Empty B19. This should split it into B13:B18, and B20 non-shared.
    aPos.SetRow(18);
    m_pDoc->SetEmptyCell(aPos);
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This cell should have been emptied.", CELLTYPE_NONE, m_pDoc->GetCellType(aPos));
    aPos.SetRow(12); // B13
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT(pFC);
    // B13:B18 should be shared.
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(12), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(6), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());
    // B20 should be non-shared.
    aPos.SetRow(19); // B20
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B20 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell should be non-shared.", !pFC->IsShared());

    // Empty B14, to make B13 non-shared and B15:B18 shared.
    aPos.SetRow(13); // B14
    m_pDoc->SetEmptyCell(aPos);
    aPos.SetRow(12); // B13
    pFC = m_pDoc->GetFormulaCell(aPos);
    // B13 should be non-shared.
    CPPUNIT_ASSERT_MESSAGE("B13 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This cell should be non-shared.", !pFC->IsShared());
    // B15:B18 should be shared.
    aPos.SetRow(14); // B15
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(14), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Set numeric value to B15, to make B16:B18 shared.
    aPos.SetRow(14);
    m_pDoc->SetValue(aPos, 1.2);
    aPos.SetRow(15);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT(pFC);
    // B16:B18 should be shared.
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(15), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Set string value to B16 to make B17:B18 shared.
    aPos.SetRow(15);
    ScCellValue aCell(svl::SharedString(u"Test"_ustr));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This should be a string value.", CELLTYPE_STRING, aCell.getType());
    aCell.commit(*m_pDoc, aPos);
    CPPUNIT_ASSERT_EQUAL(aCell.getSharedString()->getString(), m_pDoc->GetString(aPos));
    aPos.SetRow(16);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT(pFC);
    // B17:B18 should be shared.
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(16), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Set edit text to B17. Now B18 should be non-shared.
    ScFieldEditEngine& rEditEngine = m_pDoc->GetEditEngine();
    rEditEngine.SetTextCurrentDefaults(u"Edit Text"_ustr);
    aPos.SetRow(16);
    m_pDoc->SetEditText(aPos, rEditEngine.CreateTextObject());
    CPPUNIT_ASSERT_EQUAL(CELLTYPE_EDIT, m_pDoc->GetCellType(aPos));
    aPos.SetRow(17);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B18 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B18 should be non-shared.", !pFC->IsShared());

    // Set up a new group for shared formulas in B2:B10.
    clearRange(m_pDoc, ScRange(0,0,0,2,100,0));

    aPos.SetRow(1);
    m_pDoc->SetString(aPos, u"=A2*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A3*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A4*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A5*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A6*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A7*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A8*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A9*10"_ustr);
    aPos.IncRow();
    m_pDoc->SetString(aPos, u"=A10*10"_ustr);

    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B10 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(9), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Delete A4:B8. This should split the grouping to B2:B3 and B9:B10.
    clearRange(m_pDoc, ScRange(0,3,0,1,7,0));
    aPos.SetRow(1);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B2 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(8);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B9 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Delete rows 4:8 and shift row 9 and below up to row 4.  This should
    // re-merge the two into a group of B2:B5.
    m_pDoc->DeleteRow(ScRange(0,3,0,m_pDoc->MaxCol(),7,0));
    aPos.SetRow(1);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B2 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Insert 2 rows at row 4, to split it into B2:B3 and B6:B7.
    m_pDoc->InsertRow(ScRange(0,3,0,m_pDoc->MaxCol(),4,0));
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B2 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(5);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B6 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(5), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Test implicit intersection with shared formulas.
    aPos.Set(2,0,0);
    {
        // Insert data in C1:D2 and formulas in E1:E2
        const std::vector<std::vector<const char*>> aData = {
            { "5", "1", "=C:C/D:D" },
            { "4", "2", "=C:C/D:D" }
        };

        insertRangeData(m_pDoc, aPos, aData);
    }
    aPos.Set(4,1,0);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("E2 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    aPos.SetRow(0);
    CPPUNIT_ASSERT_EQUAL_MESSAGE("5/1=5", 5.0, m_pDoc->GetValue(aPos));
    aPos.SetRow(1);
    CPPUNIT_ASSERT_EQUAL_MESSAGE("4/2=2", 2.0, m_pDoc->GetValue(aPos));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdate)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);

    sc::AutoCalcSwitch aACSwitch(*m_pDoc, false); // turn off auto calculation.

    // Set values to A10:A12.
    m_pDoc->SetValue(ScAddress(0,9,0), 1);
    m_pDoc->SetValue(ScAddress(0,10,0), 2);
    m_pDoc->SetValue(ScAddress(0,11,0), 3);

    {
        // Insert formulas that reference A10:A12 in B1:B3.
        const std::vector<std::vector<const char*>> aData = {
            { "=A10" },
            { "=A11" },
            { "=A12" }
        };

        insertRangeData(m_pDoc, ScAddress(1,0,0), aData);
    }

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=A11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A12"_ustr, m_pDoc->GetFormula(1,2,0));

    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    // Insert cells over A11:B11 to shift to right. This should split the B1:B3 grouping into 3.
    m_pDoc->InsertCol(ScRange(0,10,0,1,10,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=C11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A12"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", !pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,1,0));
    CPPUNIT_ASSERT_MESSAGE("B2 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B2 should be a non-shared formula cell.", !pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,2,0));
    CPPUNIT_ASSERT_MESSAGE("B3 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B3 should be a non-shared formula cell.", !pFC->IsShared());

    // Delete cells over A11:B11 to bring it back to the previous state.
    m_pDoc->DeleteCol(ScRange(0,10,0,1,10,0));

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=A11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A12"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    // Insert cells over A11:A12 and shift down.
    m_pDoc->InsertRow(ScRange(0,10,0,0,11,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=A13"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A14"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", !pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,1,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    // Delete A11:A12 to bring it back to the way it was.
    m_pDoc->DeleteRow(ScRange(0,10,0,0,11,0));

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=A11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A12"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    // Insert cells over A11:B11 to shift to right again.
    m_pDoc->InsertCol(ScRange(0,10,0,1,10,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=C11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=A12"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", !pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,1,0));
    CPPUNIT_ASSERT_MESSAGE("B2 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B2 should be a non-shared formula cell.", !pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,2,0));
    CPPUNIT_ASSERT_MESSAGE("B3 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B3 should be a non-shared formula cell.", !pFC->IsShared());

    // Insert cells over A12:B12 to shift to right.
    m_pDoc->InsertCol(ScRange(0,11,0,1,11,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=A10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=C11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=C12"_ustr, m_pDoc->GetFormula(1,2,0));

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B1 should be a non-shared formula cell.", !pFC->IsShared());
    // B2 and B3 should be grouped.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,1,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    // Insert cells over A10:B10 to shift to right.
    m_pDoc->InsertCol(ScRange(0,9,0,1,9,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B1", u"=C10"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B2", u"=C11"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula in B3", u"=C12"_ustr, m_pDoc->GetFormula(1,2,0));

    // B1:B3 should be now grouped.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("This must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateMove)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Set values in B2:B4.
    for (SCROW i = 1; i <= 3; ++i)
        m_pDoc->SetValue(ScAddress(1,i,0), i);

    // Make sure the values are really there.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,3,0)));

    const std::vector<std::vector<const char*>> aData = {
        { "=RC[-1]" },
        { "=RC[-1]" },
        { "=RC[-1]" }
    };

    // Set formulas in C2:C4 that reference B2:B4 individually.
    insertRangeData(m_pDoc, ScAddress(2,1,0), aData);

    // Check the formula results.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    // Move B2:B4 to B1:B3.
    bool bMoved = m_xDocShell->GetDocFunc().MoveBlock(ScRange(1,1,0,1,3,0), ScAddress(1,0,0), true, true, false, true);
    CPPUNIT_ASSERT(bMoved);

    // Make sure the values have been moved for real.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    // The formulas should have been adjusted for the move.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=R[-1]C[-1]"_ustr, m_pDoc->GetFormula(2,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=R[-1]C[-1]"_ustr, m_pDoc->GetFormula(2,2,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=R[-1]C[-1]"_ustr, m_pDoc->GetFormula(2,3,0));

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);
    pUndoMgr->Undo();

    // The values should have moved back.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,3,0)));

    // And the formulas should have been re-adjusted to their original references.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=RC[-1]"_ustr, m_pDoc->GetFormula(2,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=RC[-1]"_ustr, m_pDoc->GetFormula(2,2,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=RC[-1]"_ustr, m_pDoc->GetFormula(2,3,0));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateMove2)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, false); // turn auto calc off this time.
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Set values in B2:B3, and E2:E3.
    for (SCROW i = 1; i <= 2; ++i)
    {
        m_pDoc->SetValue(ScAddress(1,i,0), i);
        m_pDoc->SetValue(ScAddress(4,i,0), i);
    }

    // Make sure the values are really there.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(4,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(4,2,0)));

    {
        // Set formulas in C2:C3 that reference B2:B3 individually, and F2:F3 to E2:E3.
        const std::vector<std::vector<const char*>> aData = {
            { "=RC[-1]" },
            { "=RC[-1]" }
        };

        insertRangeData(m_pDoc, ScAddress(2,1,0), aData);
        insertRangeData(m_pDoc, ScAddress(5,1,0), aData);
    }

    m_pDoc->CalcFormulaTree(); // calculate manually.

    // Check the formula results.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(5,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(5,2,0)));

    // Move B2:C3 to C3:D4.
    bool bMoved = m_xDocShell->GetDocFunc().MoveBlock(
        ScRange(1,1,0,2,2,0), ScAddress(2,2,0), true, true, false, true);
    CPPUNIT_ASSERT(bMoved);

    // Make sure the range has been moved.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    // The formula cells should retain their results even with auto calc off
    // and without recalculation.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(3,2,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(3,3,0)));

    // And these formulas in F2:F3 are unaffected, therefore should not change.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(5,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(5,2,0)));

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);

    // Undo the move.
    pUndoMgr->Undo();

    // Check the formula results.  The results should still be intact.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(5,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(5,2,0)));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateRange)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Insert values to A3:A5.
    m_pDoc->SetValue(ScAddress(0,2,0), 1);
    m_pDoc->SetValue(ScAddress(0,3,0), 2);
    m_pDoc->SetValue(ScAddress(0,4,0), 3);

    {
        // Insert formulas to B3:B5.
        const std::vector<std::vector<const char*>> aData = {
            { "=SUM($A$3:$A$5)" },
            { "=SUM($A$3:$A$5)" },
            { "=SUM($A$3:$A$5)" }
        };

        insertRangeData(m_pDoc, ScAddress(1,2,0), aData);
    }

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$3:$A$5)"_ustr, m_pDoc->GetFormula(1,2,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$3:$A$5)"_ustr, m_pDoc->GetFormula(1,3,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$3:$A$5)"_ustr, m_pDoc->GetFormula(1,4,0));

    // B3:B5 should be shared.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(1,2,0));
    CPPUNIT_ASSERT_MESSAGE("B3 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B3 should be shared.", pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,3,0));
    CPPUNIT_ASSERT_MESSAGE("B4 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B4 should be shared.", pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,4,0));
    CPPUNIT_ASSERT_MESSAGE("B3 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B3 should be shared.", pFC->IsShared());

    // Insert 2 rows at row 1.
    m_pDoc->InsertRow(ScRange(0,0,0,m_pDoc->MaxCol(),1,0));

    // B5:B7 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,4,0));
    CPPUNIT_ASSERT_MESSAGE("B5 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B5 should be shared.", pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,5,0));
    CPPUNIT_ASSERT_MESSAGE("B6 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B6 should be shared.", pFC->IsShared());
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,6,0));
    CPPUNIT_ASSERT_MESSAGE("B7 should be shared.", pFC);
    CPPUNIT_ASSERT_MESSAGE("B7 should be shared.", pFC->IsShared());

    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$5:$A$7)"_ustr, m_pDoc->GetFormula(1,4,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$5:$A$7)"_ustr, m_pDoc->GetFormula(1,5,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=SUM($A$5:$A$7)"_ustr, m_pDoc->GetFormula(1,6,0));

    m_pDoc->DeleteTab(0);
}

namespace {

struct SortByArea
{
    bool operator ()( const sc::AreaListener& rLeft, const sc::AreaListener& rRight ) const
    {
        if (rLeft.maArea.aStart.Tab() != rRight.maArea.aStart.Tab())
            return rLeft.maArea.aStart.Tab() < rRight.maArea.aStart.Tab();

        if (rLeft.maArea.aStart.Col() != rRight.maArea.aStart.Col())
            return rLeft.maArea.aStart.Col() < rRight.maArea.aStart.Col();

        if (rLeft.maArea.aStart.Row() != rRight.maArea.aStart.Row())
            return rLeft.maArea.aStart.Row() < rRight.maArea.aStart.Row();

        if (rLeft.maArea.aEnd.Tab() != rRight.maArea.aEnd.Tab())
            return rLeft.maArea.aEnd.Tab() < rRight.maArea.aEnd.Tab();

        if (rLeft.maArea.aEnd.Col() != rRight.maArea.aEnd.Col())
            return rLeft.maArea.aEnd.Col() < rRight.maArea.aEnd.Col();

        return rLeft.maArea.aEnd.Row() < rRight.maArea.aEnd.Row();
    }
};

}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateRangeDeleteRow)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    m_pDoc->InsertTab(0, u"Formula"_ustr);

    ScRange aWholeArea(0, 0, 0, 100, 100, 0); // Large enough for all references used in the test.

    const std::vector<std::vector<const char*>> aData = {
        { "1", "2", "=SUM(A1:B1)" },
        { "3", "4", "=SUM(A2:B2)" },
        { nullptr, nullptr, nullptr },
        { "5", "6", "=SUM(A4:B4)" },
        { "7", "8", "=SUM(A5:B5)" }
    };

    insertRangeData(m_pDoc, ScAddress(0,0,0), aData);

    // Check initial formula values.
    CPPUNIT_ASSERT_EQUAL( 3.0, m_pDoc->GetValue(ScAddress(2,0,0)));
    CPPUNIT_ASSERT_EQUAL( 7.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(11.0, m_pDoc->GetValue(ScAddress(2,3,0)));
    CPPUNIT_ASSERT_EQUAL(15.0, m_pDoc->GetValue(ScAddress(2,4,0)));

    // Check the area listener status.
    ScBroadcastAreaSlotMachine* pBASM = m_pDoc->GetBASM();
    CPPUNIT_ASSERT(pBASM);
    std::vector<sc::AreaListener> aListeners = pBASM->GetAllListeners(aWholeArea, sc::AreaOverlapType::Inside);
    std::sort(aListeners.begin(), aListeners.end(), SortByArea());

    // This check makes only sense if group listeners are activated.
#if !defined(USE_FORMULA_GROUP_LISTENER) || USE_FORMULA_GROUP_LISTENER
    CPPUNIT_ASSERT_EQUAL_MESSAGE("There should only be 2 area listeners.", size_t(2), aListeners.size());
    // First one should be group-listening on A1:B2.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This listener should be listening on A1:B2.", ScRange(0,0,0,1,1,0), aListeners[0].maArea);
    CPPUNIT_ASSERT_MESSAGE("This listener should be group-listening.", aListeners[0].mbGroupListening);
    // Second one should be group-listening on A4:B5.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This listener should be listening on A1:B2.", ScRange(0,0,0,1,1,0), aListeners[0].maArea);
    CPPUNIT_ASSERT_MESSAGE("This listener should be group-listening.", aListeners[0].mbGroupListening);
#endif

    // Make sure that C1:C2 and C4:C5 are formula groups.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(2,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    pFC = m_pDoc->GetFormulaCell(ScAddress(2,3,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    // Delete row 3.  This will merge the two formula groups.
    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);
    rFunc.DeleteCells(ScRange(0,2,0,m_pDoc->MaxCol(),2,0), &aMark, DelCellCmd::Rows, true);

    // Make sure C1:C4 belong to the same group.
    pFC = m_pDoc->GetFormulaCell(ScAddress(2,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());

    // This check makes only sense if group listeners are activated.
#if !defined(USE_FORMULA_GROUP_LISTENER) || USE_FORMULA_GROUP_LISTENER
    // We should only have one listener group-listening on A1:B4.
    aListeners = pBASM->GetAllListeners(aWholeArea, sc::AreaOverlapType::Inside);
    CPPUNIT_ASSERT_EQUAL_MESSAGE("There should only be 1 area listener.", size_t(1), aListeners.size());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This listener should be listening on A1:B4.", ScRange(0,0,0,1,3,0), aListeners[0].maArea);
    CPPUNIT_ASSERT_MESSAGE("This listener should be group-listening.", aListeners[0].mbGroupListening);
#endif

    // Change the value of B4 and make sure the value of C4 changes.
    rFunc.SetValueCell(ScAddress(1,3,0), 100.0, false);
    CPPUNIT_ASSERT_EQUAL(107.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);

    // Undo the value change in B4, and make sure C4 follows.
    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL(15.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    // Undo the deletion of row 3.
    pUndoMgr->Undo();

    // Make sure that C1:C2 and C4:C5 are formula groups again.
    pFC = m_pDoc->GetFormulaCell(ScAddress(2,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    pFC = m_pDoc->GetFormulaCell(ScAddress(2,3,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    // Check the values of formula cells again.
    CPPUNIT_ASSERT_EQUAL( 3.0, m_pDoc->GetValue(ScAddress(2,0,0)));
    CPPUNIT_ASSERT_EQUAL( 7.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(11.0, m_pDoc->GetValue(ScAddress(2,3,0)));
    CPPUNIT_ASSERT_EQUAL(15.0, m_pDoc->GetValue(ScAddress(2,4,0)));

    aListeners = pBASM->GetAllListeners(aWholeArea, sc::AreaOverlapType::Inside);
    std::sort(aListeners.begin(), aListeners.end(), SortByArea());

    // This check makes only sense if group listeners are activated.
#if !defined(USE_FORMULA_GROUP_LISTENER) || USE_FORMULA_GROUP_LISTENER
    CPPUNIT_ASSERT_EQUAL_MESSAGE("There should only be 2 area listeners.", size_t(2), aListeners.size());
    // First one should be group-listening on A1:B2.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This listener should be listening on A1:B2.", ScRange(0,0,0,1,1,0), aListeners[0].maArea);
    CPPUNIT_ASSERT_MESSAGE("This listener should be group-listening.", aListeners[0].mbGroupListening);
    // Second one should be group-listening on A4:B5.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("This listener should be listening on A1:B2.", ScRange(0,0,0,1,1,0), aListeners[0].maArea);
    CPPUNIT_ASSERT_MESSAGE("This listener should be group-listening.", aListeners[0].mbGroupListening);
#endif

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateExternal)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    m_pDoc->InsertTab(0, u"Formula"_ustr);

    // Launch an external document shell.
    ScDocShellRef xExtDocSh = new ScDocShell;

    SfxMedium* pMed = new SfxMedium(u"file:///extdata.fake"_ustr, StreamMode::STD_READWRITE);
    xExtDocSh->DoLoad(pMed);
    ScDocument& rExtDoc = xExtDocSh->GetDocument();

    // Populate A1:A3.
    rExtDoc.InsertTab(0, u"Data"_ustr);
    rExtDoc.SetString(ScAddress(0,0,0), u"A"_ustr);
    rExtDoc.SetString(ScAddress(0,1,0), u"B"_ustr);
    rExtDoc.SetString(ScAddress(0,2,0), u"C"_ustr);

    {
        // Insert formula cells in A7:A10 of the host document, referencing A1:A3
        // of the external document.
        const std::vector<std::vector<const char*>> aData = {
            { "='file:///extdata.fake'#$Data.A1" },
            { "='file:///extdata.fake'#$Data.A2" },
            { "='file:///extdata.fake'#$Data.A3" },
            { "=COUNTA('file:///extdata.fake'#$Data.A1:A3)" }
        };

        insertRangeData(m_pDoc, ScAddress(0,6,0), aData);
    }

    // Check the formula results.
    CPPUNIT_ASSERT_EQUAL(u"A"_ustr, m_pDoc->GetString(ScAddress(0,6,0)));
    CPPUNIT_ASSERT_EQUAL(u"B"_ustr, m_pDoc->GetString(ScAddress(0,7,0)));
    CPPUNIT_ASSERT_EQUAL(u"C"_ustr, m_pDoc->GetString(ScAddress(0,8,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(0,9,0)));

    // Check the formulas too.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A1"_ustr, m_pDoc->GetFormula(0,6,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A2"_ustr, m_pDoc->GetFormula(0,7,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A3"_ustr, m_pDoc->GetFormula(0,8,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=COUNTA('file:///extdata.fake'#$Data.A1:A3)"_ustr, m_pDoc->GetFormula(0,9,0));

    // Delete rows 1 and 2. This should not change the references in the formula cells below.
    ScDocFunc& rDocFunc = m_xDocShell->GetDocFunc();
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);
    rDocFunc.DeleteCells(ScRange(0,0,0,m_pDoc->MaxCol(),1,0), &aMark, DelCellCmd::CellsUp, true);

    // Check the shifted formula cells now in A5:A8.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A1"_ustr, m_pDoc->GetFormula(0,4,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A2"_ustr, m_pDoc->GetFormula(0,5,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A3"_ustr, m_pDoc->GetFormula(0,6,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=COUNTA('file:///extdata.fake'#$Data.A1:A3)"_ustr, m_pDoc->GetFormula(0,7,0));

    // Undo and check the formulas again.
    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);
    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A1"_ustr, m_pDoc->GetFormula(0,6,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A2"_ustr, m_pDoc->GetFormula(0,7,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A3"_ustr, m_pDoc->GetFormula(0,8,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=COUNTA('file:///extdata.fake'#$Data.A1:A3)"_ustr, m_pDoc->GetFormula(0,9,0));

    // Redo the row deletion and check the formulas again.
    pUndoMgr->Redo();
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A1"_ustr, m_pDoc->GetFormula(0,4,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A2"_ustr, m_pDoc->GetFormula(0,5,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"='file:///extdata.fake'#$Data.A3"_ustr, m_pDoc->GetFormula(0,6,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=COUNTA('file:///extdata.fake'#$Data.A1:A3)"_ustr, m_pDoc->GetFormula(0,7,0));

    xExtDocSh->DoClose();

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasInsertRow)
{
    struct
    {
        bool checkContent( ScDocument* pDoc )
        {
            // B1:B2 and B4:B5 should point to $A$5.
            SCROW pRows[] = { 0, 1, 3, 4 };
            for (size_t i = 0; i < SAL_N_ELEMENTS(pRows); ++i)
            {
                ScAddress aPos(1, pRows[i], 0);
                CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=$A$5"_ustr, pDoc->GetFormula(aPos.Col(), aPos.Row(), aPos.Tab()));
            }

            // B1:B2 should be grouped.
            ScFormulaCell* pFC = pDoc->GetFormulaCell(ScAddress(1,0,0));
            if (!pFC || pFC->GetSharedTopRow() != 0 || pFC->GetSharedLength() != 2)
            {
                cerr << "B1:B2 should be grouped." << endl;
                return false;
            }

            // B4:B5 should be grouped.
            pFC = pDoc->GetFormulaCell(ScAddress(1,3,0));
            if (!pFC || pFC->GetSharedTopRow() != 3 || pFC->GetSharedLength() != 2)
            {
                cerr << "B4:B5 should be grouped." << endl;
                return false;
            }

            return true;
        }

        bool checkContentUndo( ScDocument* pDoc )
        {
            for (SCROW i = 0; i <= 3; ++i)
            {
                ScAddress aPos(1,i,0);
                CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=$A$4"_ustr, pDoc->GetFormula(aPos.Col(), aPos.Row(), aPos.Tab()));
            }

            // Ensure that B5 is empty.
            if (pDoc->GetCellType(ScAddress(1,4,0)) != CELLTYPE_NONE)
            {
                cerr << "B5 should be empty." << endl;
                return false;
            }

            // B1:B4 should be grouped.
            ScFormulaCell* pFC = pDoc->GetFormulaCell(ScAddress(1,0,0));
            if (!pFC || pFC->GetSharedTopRow() != 0 || pFC->GetSharedLength() != 4)
            {
                cerr << "B1:B4 should be grouped." << endl;
                return false;
            }

            return true;
        }

    } aCheck;

    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Scenario inspired by fdo#76470.

    // Set value to A4.
    m_pDoc->SetValue(ScAddress(0,3,0), 4.0);

    {
        // Set formula cells in B1:B4 all referencing A4 as absolute reference.
        const std::vector<std::vector<const char*>> aData = {
            { "=$A$4" },
            { "=$A$4" },
            { "=$A$4" },
            { "=$A$4" }
        };

        insertRangeData(m_pDoc, ScAddress(1,0,0), aData);
    }

    // Insert a new row at row 3.
    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);
    rFunc.InsertCells(ScRange(0,2,0,m_pDoc->MaxCol(),2,0), &aMark, INS_INSROWS_BEFORE, true, true);

    bool bResult = aCheck.checkContent(m_pDoc);
    CPPUNIT_ASSERT_MESSAGE("Failed on the initial content check.", bResult);

    // Undo and check its result.
    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);
    pUndoMgr->Undo();

    bResult = aCheck.checkContentUndo(m_pDoc);
    CPPUNIT_ASSERT_MESSAGE("Failed on the content check after undo.", bResult);

    // Redo and check its result.
    pUndoMgr->Redo();
    bResult = aCheck.checkContent(m_pDoc);
    CPPUNIT_ASSERT_MESSAGE("Failed on the content check after redo.", bResult);

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasDeleteRows)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    {
        // Fill data cells A1:A20 and formula cells B1:B20.  Formulas in
        // B1:B10 and B11:B20 should be different.
        const std::vector<std::vector<const char*>> aData = {
            { "0", "=RC[-1]+1" },
            { "1", "=RC[-1]+1" },
            { "2", "=RC[-1]+1" },
            { "3", "=RC[-1]+1" },
            { "4", "=RC[-1]+1" },
            { "5", "=RC[-1]+1" },
            { "6", "=RC[-1]+1" },
            { "7", "=RC[-1]+1" },
            { "8", "=RC[-1]+1" },
            { "9", "=RC[-1]+1" },
            { "10", "=RC[-1]+11" },
            { "11", "=RC[-1]+11" },
            { "12", "=RC[-1]+11" },
            { "13", "=RC[-1]+11" },
            { "14", "=RC[-1]+11" },
            { "15", "=RC[-1]+11" },
            { "16", "=RC[-1]+11" },
            { "17", "=RC[-1]+11" },
            { "18", "=RC[-1]+11" },
            { "19", "=RC[-1]+11" }
        };

        insertRangeData(m_pDoc, ScAddress(0,0,0), aData);
    }

    // B1:B10 should be shared.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
    // B11:B20 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,10,0));
    CPPUNIT_ASSERT_MESSAGE("1,10 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,10 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());

    // Delete rows 9:12
    m_pDoc->DeleteRow(ScRange(0,8,0,m_pDoc->MaxCol(),11,0));

    // B1:B8 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());
    // B9:B16 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,8,0));
    CPPUNIT_ASSERT_MESSAGE("1,8 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,8 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());

    // Delete row 3
    m_pDoc->DeleteRow(ScRange(0,2,0,m_pDoc->MaxCol(),2,0));

    // B1:B7 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(7), pFC->GetSharedLength());
    // B8:B15 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,7,0));
    CPPUNIT_ASSERT_MESSAGE("1,7 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,7 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(7), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());

    // Delete row 5
    m_pDoc->DeleteRow(ScRange(0,4,0,m_pDoc->MaxCol(),4,0));

    // B1:B6 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,0 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(6), pFC->GetSharedLength());
    // B7:B14 should be shared.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,6,0));
    CPPUNIT_ASSERT_MESSAGE("1,6 must be a shared formula cell.", pFC);
    CPPUNIT_ASSERT_MESSAGE("1,6 must be a shared formula cell.", pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(6), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(8), pFC->GetSharedLength());
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasDeleteColumns)
{
    using namespace formula;

    m_pDoc->InsertTab(0, u"Test"_ustr);

    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);

    // First, test a single cell case.  A value in B1 and formula in C1.
    m_pDoc->SetValue(ScAddress(1,0,0), 11.0);
    m_pDoc->SetString(ScAddress(2,0,0), u"=RC[-1]"_ustr);
    CPPUNIT_ASSERT_EQUAL(11.0, m_pDoc->GetValue(ScAddress(2,0,0)));

    // Delete column B.
    rFunc.DeleteCells(ScRange(1,0,0,1,m_pDoc->MaxRow(),0), &aMark, DelCellCmd::CellsLeft, true);
    CPPUNIT_ASSERT_EQUAL(u"#REF!"_ustr, m_pDoc->GetString(ScAddress(1,0,0)));

    // The reference should still point to row 1 but the column status should be set to 'deleted'.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT(pFC);
    const ScTokenArray* pCode = pFC->GetCode();
    CPPUNIT_ASSERT(pCode);
    CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), pCode->GetLen());
    const FormulaToken* pToken = pCode->GetArray()[0];
    CPPUNIT_ASSERT_EQUAL(svSingleRef, pToken->GetType());
    const ScSingleRefData* pSRef = pToken->GetSingleRef();
    CPPUNIT_ASSERT(pSRef->IsColDeleted());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pSRef->toAbs(*m_pDoc, ScAddress(1,0,0)).Row());

    // The formula string should show #REF! in lieu of the column position (only for Calc A1 syntax).
    sc::CompileFormulaContext aCFCxt(*m_pDoc, FormulaGrammar::GRAM_ENGLISH);
    CPPUNIT_ASSERT_EQUAL(u"=#REF!1"_ustr, pFC->GetFormula(aCFCxt));

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);

    // Undo and make sure the deleted flag is gone.
    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL(11.0, m_pDoc->GetValue(ScAddress(2,0,0)));
    pFC = m_pDoc->GetFormulaCell(ScAddress(2,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(u"=B1"_ustr, pFC->GetFormula(aCFCxt));

    // Clear row 1 and move over to a formula group case.
    clearRange(m_pDoc, ScRange(0,0,0,m_pDoc->MaxCol(),0,0));

    // Fill A1:B2 with numbers, and C1:C2 with formula that reference those numbers.
    for (SCROW i = 0; i <= 1; ++i)
    {
        m_pDoc->SetValue(ScAddress(0,i,0), (i+1));
        m_pDoc->SetValue(ScAddress(1,i,0), (i+11));
        m_pDoc->SetString(ScAddress(2,i,0), u"=RC[-2]+RC[-1]"_ustr);
        double fCheck = m_pDoc->GetValue(ScAddress(0,i,0));
        fCheck += m_pDoc->GetValue(ScAddress(1,i,0));
        CPPUNIT_ASSERT_EQUAL(fCheck, m_pDoc->GetValue(ScAddress(2,i,0)));
    }

    // Delete column B.
    rFunc.DeleteCells(ScRange(1,0,0,1,m_pDoc->MaxRow(),0), &aMark, DelCellCmd::CellsLeft, true);

    for (SCROW i = 0; i <= 1; ++i)
    {
        ScAddress aPos(1,i,0);
        CPPUNIT_ASSERT_EQUAL(u"#REF!"_ustr, m_pDoc->GetString(aPos));
    }

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0)); // B1
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(u"=A1+#REF!1"_ustr, pFC->GetFormula(aCFCxt));
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,1,0)); // B2
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(u"=A2+#REF!2"_ustr, pFC->GetFormula(aCFCxt));

    // Undo deletion of column B and check the results of C1:C2.
    pUndoMgr->Undo();
    for (SCROW i = 0; i <= 1; ++i)
    {
        double fCheck = m_pDoc->GetValue(ScAddress(0,i,0));
        fCheck += m_pDoc->GetValue(ScAddress(1,i,0));
        CPPUNIT_ASSERT_EQUAL(fCheck, m_pDoc->GetValue(ScAddress(2,i,0)));
    }

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateMoveSheets)
{
    m_pDoc->InsertTab(0, u"Sheet1"_ustr);
    m_pDoc->InsertTab(1, u"Sheet2"_ustr);
    m_pDoc->InsertTab(2, u"Sheet3"_ustr);

    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // make sure auto calc is on.

    // Switch to R1C1 for ease of repeated formula insertions.
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    // Fill numbers in A1:A8 on Sheet2.
    for (SCROW i = 0; i <= 7; ++i)
        m_pDoc->SetValue(ScAddress(0,i,1), i+1);

    // Fill formula cells A1:A8 on Sheet1, to refer to the same cell address on Sheet2.
    for (SCROW i = 0; i <= 7; ++i)
        m_pDoc->SetString(ScAddress(0,i,0), u"=Sheet2!RC"_ustr);

    // Check the results.
    for (SCROW i = 0; i <= 7; ++i)
        CPPUNIT_ASSERT_EQUAL(static_cast<double>(i+1), m_pDoc->GetValue(ScAddress(0,i,0)));

    // Move Sheet3 to the leftmost position before Sheet1.
    m_pDoc->MoveTab(2, 0);

    // Check sheet names.
    std::vector<OUString> aTabNames = m_pDoc->GetAllTableNames();
    CPPUNIT_ASSERT_MESSAGE("There should be at least 3 sheets.", aTabNames.size() >= 3);
    CPPUNIT_ASSERT_EQUAL(u"Sheet3"_ustr, aTabNames[0]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet1"_ustr, aTabNames[1]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet2"_ustr, aTabNames[2]);

    // Check the results again on Sheet1.
    for (SCROW i = 0; i <= 7; ++i)
    {
        CPPUNIT_ASSERT_EQUAL(static_cast<double>(i+1), m_pDoc->GetValue(ScAddress(0,i,1)));
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula expression.", u"=Sheet2!RC"_ustr, m_pDoc->GetFormula(0,i,1));
    }

    // Insert a new sheet at the left end.
    m_pDoc->InsertTab(0, u"Sheet4"_ustr);

    // Check sheet names.
    aTabNames = m_pDoc->GetAllTableNames();
    CPPUNIT_ASSERT_MESSAGE("There should be at least 4 sheets.", aTabNames.size() >= 4);
    CPPUNIT_ASSERT_EQUAL(u"Sheet4"_ustr, aTabNames[0]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet3"_ustr, aTabNames[1]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet1"_ustr, aTabNames[2]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet2"_ustr, aTabNames[3]);

    // Check the results again on Sheet1.
    for (SCROW i = 0; i <= 7; ++i)
    {
        CPPUNIT_ASSERT_EQUAL(static_cast<double>(i+1), m_pDoc->GetValue(ScAddress(0,i,2)));
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula expression.", u"=Sheet2!RC"_ustr, m_pDoc->GetFormula(0,i,2));
    }

    // Delete Sheet4.
    m_pDoc->DeleteTab(0);

    // Check sheet names.
    aTabNames = m_pDoc->GetAllTableNames();
    CPPUNIT_ASSERT_MESSAGE("There should be at least 3 sheets.", aTabNames.size() >= 3);
    CPPUNIT_ASSERT_EQUAL(u"Sheet3"_ustr, aTabNames[0]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet1"_ustr, aTabNames[1]);
    CPPUNIT_ASSERT_EQUAL(u"Sheet2"_ustr, aTabNames[2]);

    // Check the results again on Sheet1.
    for (SCROW i = 0; i <= 7; ++i)
    {
        CPPUNIT_ASSERT_EQUAL(static_cast<double>(i+1), m_pDoc->GetValue(ScAddress(0,i,1)));
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula expression.", u"=Sheet2!RC"_ustr, m_pDoc->GetFormula(0,i,1));
    }

    m_pDoc->DeleteTab(2);
    m_pDoc->DeleteTab(1);
    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateCopySheets)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // make sure auto calc is on.

    m_pDoc->InsertTab(0, u"Sheet1"_ustr);
    m_pDoc->InsertTab(1, u"Sheet2"_ustr);

    m_pDoc->SetValue(ScAddress(0,0,1), 1.0); // A1 on Sheet2
    m_pDoc->SetValue(ScAddress(0,1,1), 2.0); // A2 on Sheet2

    // Reference values on Sheet2, but use absolute sheet references.
    m_pDoc->SetString(ScAddress(0,0,0), u"=$Sheet2.A1"_ustr);
    m_pDoc->SetString(ScAddress(0,1,0), u"=$Sheet2.A2"_ustr);

    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(0,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(0,1,0)));

    // Copy Sheet1 and insert the copied sheet before the current Sheet1 position.
    m_pDoc->CopyTab(0, 0);

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=$Sheet2.A1"_ustr, m_pDoc->GetFormula(0,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=$Sheet2.A2"_ustr, m_pDoc->GetFormula(0,1,0));

    // Check the values on the copied sheet.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(0,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(0,1,0)));

    // Check the values on the original sheet.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(0,0,1)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(0,1,1)));

    m_pDoc->DeleteTab(2);
    m_pDoc->DeleteTab(1);
    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasRefUpdateDeleteSheets)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // make sure auto calc is on.

    m_pDoc->InsertTab(0, u"Sheet1"_ustr);
    m_pDoc->InsertTab(1, u"Sheet2"_ustr);

    // Set values to B2:B4 on Sheet2.
    m_pDoc->SetValue(ScAddress(1,1,1), 1.0);
    m_pDoc->SetValue(ScAddress(1,2,1), 2.0);
    m_pDoc->SetValue(ScAddress(1,3,1), 3.0);

    // Set formulas in A1:A3 on Sheet1 that reference B2:B4 on Sheet2.
    m_pDoc->SetString(ScAddress(0,0,0), u"=Sheet2.B2"_ustr);
    m_pDoc->SetString(ScAddress(0,1,0), u"=Sheet2.B3"_ustr);
    m_pDoc->SetString(ScAddress(0,2,0), u"=Sheet2.B4"_ustr);

    // Check the formula results.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(0,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(0,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(0,2,0)));

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B2"_ustr, m_pDoc->GetFormula(0,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B3"_ustr, m_pDoc->GetFormula(0,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B4"_ustr, m_pDoc->GetFormula(0,2,0));

    // Delete Sheet2.
    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();
    rFunc.DeleteTable(1, true);

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=#REF!.B2"_ustr, m_pDoc->GetFormula(0,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=#REF!.B3"_ustr, m_pDoc->GetFormula(0,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=#REF!.B4"_ustr, m_pDoc->GetFormula(0,2,0));

    // Undo the deletion and make sure the formulas are back to the way they were.
    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);
    pUndoMgr->Undo();

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B2"_ustr, m_pDoc->GetFormula(0,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B3"_ustr, m_pDoc->GetFormula(0,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula", u"=Sheet2.B4"_ustr, m_pDoc->GetFormula(0,2,0));

    // TODO: We can't test redo yet as ScUndoDeleteTab::Redo() relies on
    // view shell to do its thing.

    m_pDoc->DeleteTab(1);
    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulasCopyPaste)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    // Fill formula cells B1:B10.
    for (SCROW i = 0; i <= 9; ++i)
        m_pDoc->SetString(1, i, 0, u"=RC[-1]"_ustr);

    ScAddress aPos(1, 8, 0); // B9
    ScFormulaCell* pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B9 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Copy formulas in B6:B9 to the clipboard doc.
    ScRange aSrcRange(1,5,0,1,8,0); // B6:B9
    ScDocument aClipDoc(SCDOCMODE_CLIP);
    copyToClip(m_pDoc, aSrcRange, &aClipDoc);
    pFC = aClipDoc.GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("B9 in the clip doc should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(5), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    // Paste them to C2:C10.
    ScRange aDestRange(2,1,0,2,9,0);
    pasteFromClip(m_pDoc, aDestRange, &aClipDoc);
    aPos.SetCol(2);
    aPos.SetRow(1);
    pFC = m_pDoc->GetFormulaCell(aPos);
    CPPUNIT_ASSERT_MESSAGE("C2 should be a formula cell.", pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(9), pFC->GetSharedLength());
    CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());

    ScRange aRange(1,0,0,1,9,0); // B1:B10
    ScDocument* pUndoDoc = new ScDocument(SCDOCMODE_UNDO);
    pUndoDoc->InitUndo(*m_pDoc, 0, 0, true, true);
    m_pDoc->CopyToDocument(aRange, InsertDeleteFlags::CONTENTS, false, *pUndoDoc);
    std::unique_ptr<ScUndoPaste> pUndo(createUndoPaste(*m_xDocShell, aRange, ScDocumentUniquePtr(pUndoDoc)));

    // First, make sure the formula cells are shared in the undo document.
    aPos.SetCol(1);
    for (SCROW i = 0; i <= 9; ++i)
    {
        aPos.SetRow(i);
        pFC = pUndoDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT_MESSAGE("Must be a formula cell.", pFC);
        CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());
    }

    // Overwrite B1:B10.
    for (SCROW i = 0; i <= 9; ++i)
        m_pDoc->SetValue(ScAddress(1,i,0), i*10);

    for (SCROW i = 0; i <= 9; ++i)
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Numeric cell was expected.", CELLTYPE_VALUE, m_pDoc->GetCellType(ScAddress(1,i,0)));

    // Undo the action to fill B1:B10 with formula cells again.
    pUndo->Undo();

    aPos.SetCol(1);
    for (SCROW i = 0; i <= 9; ++i)
    {
        aPos.SetRow(i);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT_MESSAGE("This should be a formula cell.", pFC);
        CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(10), pFC->GetSharedLength());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("The token is expected to be shared.", pFC->GetCode(), pFC->GetSharedCode());
    }

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaInsertColumn)
{
    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Set shared formula group over H2:H3.
    m_pDoc->SetString(ScAddress(7,1,0), u"=G3*B3"_ustr);
    m_pDoc->SetString(ScAddress(7,2,0), u"=G4*B4"_ustr);

    // Insert a single column at Column F. This used to crash before fdo#74041.
    m_pDoc->InsertCol(ScRange(5,0,0,5,m_pDoc->MaxRow(),0));

    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=H3*B3"_ustr, m_pDoc->GetFormula(8,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=H4*B4"_ustr, m_pDoc->GetFormula(8,2,0));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaMoveBlock)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.
    FormulaGrammarSwitch aFGSwitch(m_pDoc, formula::FormulaGrammar::GRAM_ENGLISH_XL_R1C1);

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // 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);

    // Set formulas in B1:B3 to reference A1:A3.
    m_pDoc->SetString(ScAddress(1,0,0), u"=RC[-1]"_ustr);
    m_pDoc->SetString(ScAddress(1,1,0), u"=RC[-1]"_ustr);
    m_pDoc->SetString(ScAddress(1,2,0), u"=RC[-1]"_ustr);

    ScRange aFormulaRange(1,0,0,1,2,0);

    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    clearFormulaCellChangedFlag(*m_pDoc, aFormulaRange);

    // Move A1:A3 to D1:D3.
    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();
    bool bMoved = rFunc.MoveBlock(ScRange(0,0,0,0,2,0), ScAddress(3,0,0), true, true, false, true);
    CPPUNIT_ASSERT(bMoved);

    // The result should stay the same.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    clearFormulaCellChangedFlag(*m_pDoc, aFormulaRange);

    // Make sure these formula cells in B1:B3 have correct positions even after the move.
    std::vector<SCROW> aRows { 0, 1, 2 };
    bool bRes = checkFormulaPositions(*m_pDoc, 0, 1, aRows.data(), aRows.size());
    CPPUNIT_ASSERT(bRes);

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);

    // Undo and check the result.
    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    clearFormulaCellChangedFlag(*m_pDoc, aFormulaRange);

    // Redo and check the result.
    pUndoMgr->Redo();
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    // Clear the range and start over.
    clearRange(m_pDoc, ScRange(0,0,0,m_pDoc->MaxCol(),m_pDoc->MaxRow(),0));

    // Set values 1,2,3,4,5 to A1:A5.
    for (SCROW i = 0; i <= 4; ++i)
        m_pDoc->SetValue(ScAddress(0,i,0), (i+1));

    // Set formulas to B1:B5.
    for (SCROW i = 0; i <= 4; ++i)
        m_pDoc->SetString(ScAddress(1,i,0), u"=RC[-1]"_ustr);

    // Check the initial formula results.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(4.0, m_pDoc->GetValue(ScAddress(1,3,0)));
    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));

    // Move A1:A2 to D2:D3.
    bMoved = rFunc.MoveBlock(ScRange(0,0,0,0,1,0), ScAddress(3,1,0), true, true, false, true);
    CPPUNIT_ASSERT(bMoved);

    // Check the formula values again.  They should not change.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(4.0, m_pDoc->GetValue(ScAddress(1,3,0)));
    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));

    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(4.0, m_pDoc->GetValue(ScAddress(1,3,0)));
    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));

    pUndoMgr->Redo();
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(4.0, m_pDoc->GetValue(ScAddress(1,3,0)));
    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaUpdateOnNamedRangeChange)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    const char* const pName = "MyRange";
    const char* const pExpr1 = "$Test.$A$1:$A$3";
    const char* const pExpr2 = "$Test.$A$1:$A$4";

    RangeNameDef aName;
    aName.mpName = pName;
    aName.mpExpr = pExpr1;
    aName.mnIndex = 1;
    std::unique_ptr<ScRangeName> pNames(new ScRangeName);
    bool bSuccess = insertRangeNames(m_pDoc, pNames.get(), &aName, &aName + 1);
    CPPUNIT_ASSERT(bSuccess);
    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), pNames->size());
    m_pDoc->SetRangeName(std::move(pNames));

    // Set values to A1:A4.
    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->SetValue(ScAddress(0,3,0), 4.0);

    // Set formula to B1:B3.
    m_pDoc->SetString(ScAddress(1,0,0), u"=SUM(MyRange)"_ustr);
    m_pDoc->SetString(ScAddress(1,1,0), u"=SUM(MyRange)"_ustr);
    m_pDoc->SetString(ScAddress(1,2,0), u"=SUM(MyRange)"_ustr);

    // Set single formula with no named range to B5.
    m_pDoc->SetString(ScAddress(1,4,0), u"=ROW()"_ustr);

    // Set shared formula with no named range to B7:B8.
    m_pDoc->SetString(ScAddress(1,6,0), u"=ROW()"_ustr);
    m_pDoc->SetString(ScAddress(1,7,0), u"=ROW()"_ustr);

    // B1:B3 should be grouped.
    ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    // B7:B8 should be grouped.
    pFC = m_pDoc->GetFormulaCell(ScAddress(1,6,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(6), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));
    CPPUNIT_ASSERT_EQUAL(7.0, m_pDoc->GetValue(ScAddress(1,6,0)));
    CPPUNIT_ASSERT_EQUAL(8.0, m_pDoc->GetValue(ScAddress(1,7,0)));

    // Set a single formula to C1.
    m_pDoc->SetString(ScAddress(2,0,0), u"=AVERAGE(MyRange)"_ustr);
    pFC = m_pDoc->GetFormulaCell(ScAddress(2,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_MESSAGE("C1 should not be shared.", !pFC->IsShared());
    CPPUNIT_ASSERT_EQUAL(2.0, m_pDoc->GetValue(ScAddress(2,0,0)));

    // Update the range of MyRange.
    pNames.reset(new ScRangeName);
    aName.mpExpr = pExpr2;
    bSuccess = insertRangeNames(m_pDoc, pNames.get(), &aName, &aName + 1);
    CPPUNIT_ASSERT(bSuccess);
    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), pNames->size());
    ScDocFunc& rFunc = m_xDocShell->GetDocFunc();

    typedef std::map<OUString, ScRangeName> NameMapType;
    NameMapType aNewNames;
    OUString aScope(STR_GLOBAL_RANGE_NAME);
    aNewNames.insert(std::make_pair(aScope, std::move(*pNames)));
    rFunc.ModifyAllRangeNames(aNewNames);

    // Check to make sure all displayed formulas are still good.
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=SUM(MyRange)"_ustr, m_pDoc->GetFormula(1,0,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=SUM(MyRange)"_ustr, m_pDoc->GetFormula(1,1,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=SUM(MyRange)"_ustr, m_pDoc->GetFormula(1,2,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=ROW()"_ustr, m_pDoc->GetFormula(1,4,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=ROW()"_ustr, m_pDoc->GetFormula(1,6,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=ROW()"_ustr, m_pDoc->GetFormula(1,7,0));
    CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong formula!", u"=AVERAGE(MyRange)"_ustr, m_pDoc->GetFormula(2,0,0));

    // Check the calculation results as well.
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(1,2,0)));
    CPPUNIT_ASSERT_EQUAL(5.0, m_pDoc->GetValue(ScAddress(1,4,0)));
    CPPUNIT_ASSERT_EQUAL(7.0, m_pDoc->GetValue(ScAddress(1,6,0)));
    CPPUNIT_ASSERT_EQUAL(8.0, m_pDoc->GetValue(ScAddress(1,7,0)));
    CPPUNIT_ASSERT_EQUAL(2.5, m_pDoc->GetValue(ScAddress(2,0,0)));

    // Change the value of A4 and make sure the value change gets propagated.
    m_pDoc->SetValue(ScAddress(0,3,0), 0.0);
    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(6.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaUpdateOnDBChange)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"RangeTest"_ustr);

    // Put 1, 2, 3, 4 in A1:A4.
    for (SCROW i = 0; i <= 3; ++i)
        m_pDoc->SetValue(ScAddress(0,i,0), (i+1));

    ScDBCollection* pDBs = m_pDoc->GetDBCollection();
    CPPUNIT_ASSERT_MESSAGE("Failed to fetch DB collection object.", pDBs);

    // Define database range 'MyRange' for A1:A2.
    std::unique_ptr<ScDBData> pData(new ScDBData(u"MyRange"_ustr, 0, 0, 0, 0, 1));
    bool bInserted = pDBs->getNamedDBs().insert(std::move(pData));
    CPPUNIT_ASSERT_MESSAGE("Failed to insert a new database range.", bInserted);

    // Insert in C2:C4 a group of formula cells that reference MyRange.
    for (SCROW i = 1; i <= 3; ++i)
        m_pDoc->SetString(ScAddress(2,i,0), u"=SUM(MyRange)"_ustr);

    // Make sure C2:C4 is a formula group.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(2,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT(pFC->IsSharedTop());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    // Check the initial formula results.
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    ScDBDocFunc aFunc(*m_xDocShell);

    // Change the range referenced by MyRange to A1:A4.
    ScDBCollection aNewDBs(*m_pDoc);
    std::unique_ptr<ScDBData> pNewData(new ScDBData(u"MyRange"_ustr, 0, 0, 0, 0, 3));
    bInserted = aNewDBs.getNamedDBs().insert(std::move(pNewData));
    CPPUNIT_ASSERT_MESSAGE("Failed to insert a new database range.", bInserted);

    std::vector<ScRange> aDeleted;
    aFunc.ModifyAllDBData(aNewDBs, aDeleted);

    // Check the updated formula results.
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    SfxUndoManager* pUndoMgr = m_pDoc->GetUndoManager();
    CPPUNIT_ASSERT(pUndoMgr);

    // Undo and check the results.
    pUndoMgr->Undo();
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    // Redo and check the results.
    pUndoMgr->Redo();
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,1,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,2,0)));
    CPPUNIT_ASSERT_EQUAL(10.0, m_pDoc->GetValue(ScAddress(2,3,0)));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaAbsCellListener)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    m_pDoc->SetValue(ScAddress(0,0,0), 1.0);

    const std::vector<std::vector<const char*>> aData = {
        { "=$A$1" },
        { "=$A$1" },
        { "=$A$1" }
    };

    insertRangeData(m_pDoc, ScAddress(1,0,0), aData);

    // A1 should have 3 listeners listening into it.
    const SvtBroadcaster* pBC = m_pDoc->GetBroadcaster(ScAddress(0,0,0));
    CPPUNIT_ASSERT(pBC);
    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), pBC->GetAllListeners().size());

    // Check the formula results.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(1,2,0)));

    // Change the value of A1 and make sure B1:B3 follows.
    m_pDoc->SetValue(ScAddress(0,0,0), 2.5);

    CPPUNIT_ASSERT_EQUAL(2.5, m_pDoc->GetValue(ScAddress(1,0,0)));
    CPPUNIT_ASSERT_EQUAL(2.5, m_pDoc->GetValue(ScAddress(1,1,0)));
    CPPUNIT_ASSERT_EQUAL(2.5, m_pDoc->GetValue(ScAddress(1,2,0)));

    m_pDoc->DeleteTab(0);
}

static double checkNewValuesNotification( ScDocument* pDoc, const ScAddress& rOrgPos )
{
    ScAddress aPos(rOrgPos);
    aPos.IncCol();
    pDoc->SetValues( aPos, {1024.0, 2048.0, 4096.0, 8192.0, 16384.0});
    aPos = rOrgPos;
    double fVal = 0.0;
    for (SCROW i=0; i < 5; ++i)
    {
        fVal += pDoc->GetValue(aPos);
        aPos.IncRow();
    }
    return fVal;
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaUnshareAreaListeners)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    const std::vector<std::vector<const char*>> aData = {
        { "=SUM(B1:B2)", "1" },
        { "=SUM(B2:B3)", "2" },
        { "=SUM(B3:B4)", "4" },
        {             nullptr, "8" }
    };

    insertRangeData(m_pDoc, ScAddress(0,0,0), aData);

    // Check that A1:A3 is a formula group.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(0,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(3), pFC->GetSharedLength());

    m_pDoc->SetValue(ScAddress(0,1,0), 23.0);   // unshare at A2
    m_pDoc->SetValue(ScAddress(1,1,0), 16.0);   // change value of B2
    m_pDoc->SetValue(ScAddress(1,2,0), 32.0);   // change value of B3
    // A1 and A3 should be recalculated.
    CPPUNIT_ASSERT_EQUAL(17.0, m_pDoc->GetValue(ScAddress(0,0,0)));
    CPPUNIT_ASSERT_EQUAL(40.0, m_pDoc->GetValue(ScAddress(0,2,0)));

    clearRange(m_pDoc, ScRange( 0,0,0, 1,3,0));

    for (int nRun = 0; nRun < 7; ++nRun)
    {
        // Data in A2:C6
        const ScAddress aOrgPos(0,1,0);
        const std::vector<std::vector<const char*>> aData2 = {
            { "=SUM(B2:C2)",   "1",   "2" },
            { "=SUM(B3:C3)",   "4",   "8" },
            { "=SUM(B4:C4)",  "16",  "32" },
            { "=SUM(B5:C5)",  "64", "128" },
            { "=SUM(B6:C6)", "256", "512" },
        };
        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Check that A2:A6 is a formula group.
        pFC = m_pDoc->GetFormulaCell(aOrgPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A2", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aOrgPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(5), pFC->GetSharedLength());

        // Overwrite and thus unshare formula in A3.
        // Check different code paths with different methods.
        ScAddress aPos(aOrgPos);
        aPos.IncRow(2);
        switch (nRun)
        {
            case 0:
                // Directly set a different formula cell, which bypasses
                // ScDocument::SetString(), mimicking formula input in view.
                {
                    ScFormulaCell* pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B4"_ustr);
                    ScDocFunc& rDocFunc = m_xDocShell->GetDocFunc();
                    rDocFunc.SetFormulaCell( aPos, pCell, false);
                }
            break;
            case 1:
                m_pDoc->SetString( aPos, u"=B4"_ustr);    // set formula
            break;
            case 2:
                m_pDoc->SetString( aPos, u"x"_ustr);      // set string
            break;
            case 3:
                m_pDoc->SetString( aPos, u"4096"_ustr);   // set number/numeric
            break;
            case 4:
                m_pDoc->SetValue( aPos, 4096.0);    // set numeric
            break;
            case 5:
                m_pDoc->SetValues( aPos, {4096.0}); // set numeric vector
            break;
            case 6:
                // Set formula cell vector.
                {
                    ScFormulaCell* pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B4"_ustr);
                    std::vector<ScFormulaCell*> aCells { pCell };
                    m_pDoc->SetFormulaCells( aPos, aCells);
                }
            break;
        }

        // Check that A2:A3 and A5:A6 are two formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A2", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(3);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A5", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());

        // Check that listeners were set up and formulas are updated when B2:B6
        // get new values input (tdf#123736).
        aPos = aOrgPos;
        aPos.IncCol();
        m_pDoc->SetValues( aPos, {1024.0, 2048.0, 4096.0, 8192.0, 16384.0});

        aPos = aOrgPos;
        CPPUNIT_ASSERT_EQUAL(1026.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL(2056.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        if (nRun != 2)  // if not string
            CPPUNIT_ASSERT_EQUAL(4096.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL(8320.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL(16896.0, m_pDoc->GetValue(aPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,5,0));
    }

    // Check detach/regroup combinations of overlapping when setting formula
    // cell vectors.
    {
        // Fixed data in A3:C7, modified formula range A1:A9
        const ScAddress aOrgPos(0,2,0);
        ScAddress aPos( ScAddress::UNINITIALIZED);
        ScFormulaCell* pCell;
        std::vector<ScFormulaCell*> aCells;
        const std::vector<std::vector<const char*>> aData2 = {
            { "=SUM(B3:C3)",   "1",   "2" },
            { "=SUM(B4:C4)",   "4",   "8" },
            { "=SUM(B5:C5)",  "16",  "32" },
            { "=SUM(B6:C6)",  "64", "128" },
            { "=SUM(B7:C7)", "256", "512" },
        };

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Add grouping formulas in A1:A2, keep A3:A7
        aPos = ScAddress(0,0,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B1:C1)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B2:C2)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check it is one formula group.
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A1", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(7), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Add formulas in A1:A2, keep A3:A7
        aPos = ScAddress(0,0,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B1+C1"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B2+C2"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A1", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(5), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Add formula in A2, overwrite A3, keep A4:A7
        aPos = ScAddress(0,1,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B2+C2"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B3+C3"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A2", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A4", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(4), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Overwrite A3:A4, keep A5:A7
        aPos = ScAddress(0,2,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B3+C3"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B4+C4"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A5", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(3), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3, overwrite A4:A5, keep A6:A7
        aPos = ScAddress(0,3,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B4+C4"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B5+C5"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", !pFC->IsSharedTop());
        aPos.IncRow(1);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A4", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A6", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3:A4, overwrite A5:A6, keep A7
        aPos = ScAddress(0,4,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B5+C5"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B6+C6"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A5", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());
        aPos.IncRow(2);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A7", !pFC->IsSharedTop());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3:A5, overwrite A6:A7
        aPos = ScAddress(0,5,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B6+C6"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B7+C7"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(3), pFC->GetSharedLength());
        aPos.IncRow(3);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A6", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3:A6, overwrite A7, add A8
        aPos = ScAddress(0,6,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B7+C7"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B8+C8"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(4), pFC->GetSharedLength());
        aPos.IncRow(4);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A7", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3:A7, add A8:A9
        aPos = ScAddress(0,7,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B8+C8"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=B9+C9"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check formula groups.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A3", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(5), pFC->GetSharedLength());
        aPos.IncRow(5);
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A7", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(2), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Keep A3:A7, add grouping formulas in A8:A9
        aPos = ScAddress(0,7,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B8:C8)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B9:C9)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check it is one formula group.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A1", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(7), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));

        insertRangeData(m_pDoc, aOrgPos, aData2);

        // Overwrite grouping formulas in A4:A5
        aPos = ScAddress(0,3,0);
        std::vector<ScFormulaCell*>().swap( aCells);
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B4:C4)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow();
        pCell = new ScFormulaCell( *m_pDoc, aPos, u"=SUM(B5:C5)"_ustr);
        aCells.push_back(pCell);
        aPos.IncRow(-1);
        m_pDoc->SetFormulaCells( aPos, aCells);

        // Check it is one formula group.
        aPos = aOrgPos;
        pFC = m_pDoc->GetFormulaCell(aPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_MESSAGE("A1", pFC->IsSharedTop());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared top row.", aPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE("Shared length.", static_cast<SCROW>(5), pFC->GetSharedLength());

        // Check notification of setting new values.
        CPPUNIT_ASSERT_EQUAL(32426.0, checkNewValuesNotification( m_pDoc, aOrgPos));

        clearRange(m_pDoc, ScRange( 0,0,0, 2,8,0));
    }

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaListenerDeleteArea)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test0"_ustr);
    m_pDoc->InsertTab(1, u"Test1"_ustr);

    const std::vector<std::vector<const char*>> aData0 = {
        { "", "", "=Test1.C1" },
        { "", "", "=Test1.C2" }
    };
    const std::vector<std::vector<const char*>> aData1 = {
        { "=Test0.A1", "=Test0.B1", "=SUM(A1:B1)" },
        { "=Test0.A2", "=Test0.B2", "=SUM(A2:B2)" },
    };

    insertRangeData(m_pDoc, ScAddress(0,0,0), aData0);
    insertRangeData(m_pDoc, ScAddress(0,0,1), aData1);

    // Check that Test1.A1:A2 and Test1.B1:B2 are formula groups.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(0,0,1));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    pFC = m_pDoc->GetFormulaCell(ScAddress(1,0,1));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    m_pDoc->SetValue(ScAddress(0,1,0), 1.0);   // change value of Test0.A2
    m_pDoc->SetValue(ScAddress(1,1,0), 2.0);   // change value of Test0.B2
    // Test0.C2 should be recalculated.
    CPPUNIT_ASSERT_EQUAL(3.0, m_pDoc->GetValue(ScAddress(2,1,0)));

    // Delete Test0.B2
    clearRange(m_pDoc, ScRange(1,1,0));
    // Test0.C2 should be recalculated.
    CPPUNIT_ASSERT_EQUAL(1.0, m_pDoc->GetValue(ScAddress(2,1,0)));

    m_pDoc->DeleteTab(1);
    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaUpdateOnReplacement)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    const std::vector<std::vector<const char*>> aData = {
        { "1"              },
        { "=SUM($A$1:$A1)" },
        { "=SUM($A$1:$A2)" },
        { "=SUM($A$1:$A3)" },
        { "=SUM($A$1:$A4)" },
        { "=SUM($A$1:$A5)" },
        { "=SUM($A$1:$A6)" },
        { "=SUM($A$1:$A7)" }
    };

    insertRangeData(m_pDoc, ScAddress(0,0,0), aData);

    // Check that A2:A8 is a formula group.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(7), pFC->GetSharedLength());

    {   // Check initial results.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    // Set up an undo object for deleting A4.
    ScRange aUndoRange(0,3,0,0,3,0);
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);
    aMark.SetMultiMarkArea(aUndoRange);
    ScDocumentUniquePtr pUndoDoc(new ScDocument(SCDOCMODE_UNDO));
    pUndoDoc->InitUndo(*m_pDoc, 0, 0);
    m_pDoc->CopyToDocument(aUndoRange, InsertDeleteFlags::CONTENTS, false, *pUndoDoc, &aMark);
    ScUndoDeleteContents aUndo(m_xDocShell.get(), aMark, aUndoRange, std::move(pUndoDoc), false, InsertDeleteFlags::CONTENTS, true);

    // Delete A4.
    clearRange(m_pDoc, aUndoRange);

    // Check that A2:A3 and A5:A8 are formula groups.
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,4,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());

    {   // Check results of A4 deleted.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 0.0, 4.0, 8.0, 16.0, 32.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    // Restore A4.
    aUndo.Undo();

    // Check that A2:A8 is a formula group.
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(7), pFC->GetSharedLength());

    {   // Check initial results.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    // Delete A4 using selection.
    m_pDoc->DeleteSelection(InsertDeleteFlags::ALL, aMark);

    // Check that A2:A3 and A5:A8 are formula groups.
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,4,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());

    {   // Check results of A4 deleted.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 0.0, 4.0, 8.0, 16.0, 32.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    // Restore A4.
    aUndo.Undo();

    // Check that A2:A8 is a formula group.
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(7), pFC->GetSharedLength());

    {   // Check initial results.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    // Replace A4 with 0.
    m_pDoc->SetString( ScAddress(0,3,0), u"0"_ustr);

    // Check that A2:A3 and A5:A8 are formula groups.
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,1,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(1), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());
    pFC = m_pDoc->GetFormulaCell(ScAddress(0,4,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(4), pFC->GetSharedLength());

    {   // Check results of A4 set to zero.
        ScAddress aPos(0,0,0);
        const double fResult[] = { 1.0, 1.0, 2.0, 0.0, 4.0, 8.0, 16.0, 32.0 };
        for (SCROW nRow = 1; nRow < 8; ++nRow)
        {
            aPos.SetRow(nRow);
            CPPUNIT_ASSERT_EQUAL( fResult[nRow], m_pDoc->GetValue( aPos));
        }
    }

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaDeleteTopCell)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    const std::vector<std::vector<const char*>> aData = {
        { "=SUM(B$1:B$2)", "1" },
        { "=SUM(B$1:B$2)", "2" }
    };

    insertRangeData( m_pDoc, ScAddress(0,0,0), aData);

    // Check that A1:A2 is a formula group.
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell( ScAddress(0,0,0));
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(0), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL(static_cast<SCROW>(2), pFC->GetSharedLength());

    // Check results A1:A2.
    CPPUNIT_ASSERT_EQUAL( 3.0, m_pDoc->GetValue( ScAddress(0,0,0)));
    CPPUNIT_ASSERT_EQUAL( 3.0, m_pDoc->GetValue( ScAddress(0,1,0)));

    // Delete cell A1.
    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);
    m_xDocShell->GetDocFunc().DeleteCell( ScAddress(0,0,0), aMark, InsertDeleteFlags::CONTENTS, false, /*bApi=*/ true);
    // Check it's gone.
    CPPUNIT_ASSERT(!m_pDoc->GetFormulaCell( ScAddress(0,0,0)));

    // Check result A2.
    CPPUNIT_ASSERT_EQUAL( 3.0, m_pDoc->GetValue( ScAddress(0,1,0)));

    // Replace B1 with 4.
    m_pDoc->SetString( ScAddress(1,0,0), u"4"_ustr);

    // Check result A2.
    CPPUNIT_ASSERT_EQUAL( 6.0, m_pDoc->GetValue( ScAddress(0,1,0)));

    m_pDoc->DeleteTab(0);
}

CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaCutCopyMoveIntoRef)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    // tdf#123714 case 1
    {
        m_pDoc->InsertTab(0, u"Test"_ustr);

        // Data in A1:C3
        std::vector<std::vector<const char*>> aData = {
            { "=B1", "", "1" },
            { "=B2", "", "1" },
            { "=B3", "", ""  }
        };
        const ScAddress aOrgPos(0,0,0);
        insertRangeData( m_pDoc, aOrgPos, aData);

        ScMarkData aMark(m_pDoc->GetSheetLimits());
        aMark.SelectOneTable(0);

        // Set up clip document.
        ScDocument aClipDoc(SCDOCMODE_CLIP);
        aClipDoc.ResetClip(m_pDoc, &aMark);
        // Cut C1:C2 to clipboard.
        cutToClip(*m_xDocShell, ScRange(2,0,0, 2,1,0), &aClipDoc, false);

        // Paste to B1:B2
        ScRange aPasteRange(1,0,0, 1,1,0);
        aMark.SetMarkArea(aPasteRange);
        m_pDoc->CopyFromClip( aPasteRange, aMark, InsertDeleteFlags::CONTENTS, nullptr, &aClipDoc);

        // Check data in A1:A2 after Paste.
        ScAddress aPos(aOrgPos);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("A1", 1.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL_MESSAGE("A2", 1.0, m_pDoc->GetValue(aPos));

        m_pDoc->DeleteTab(0);
    }

    // tdf#123714 case 2
    {
        m_pDoc->InsertTab(0, u"Test"_ustr);

        // Data in A1:C3
        std::vector<std::vector<const char*>> aData = {
            {  "1",   "2", "=SUM(A1:B1)" },
            {  "4",   "8", "=SUM(A2:B2)" },
            { "16",  "32", "=SUM(A3:B3)" },
            { "64", "128", "=SUM(A4:B4)" },
        };
        const ScAddress aOrgPos(0,0,0);
        insertRangeData( m_pDoc, aOrgPos, aData);

        ScAddress aPos;
        // Check results in C1:C4
        const double fVec0[] = { 3.0, 12.0, 48.0, 192.0 };
        aPos = ScAddress(2,0,0);
        for (SCROW i=0; i < 4; ++i)
        {
            CPPUNIT_ASSERT_EQUAL( fVec0[i], m_pDoc->GetValue(aPos));
            aPos.IncRow();
        }

        ScMarkData aMark(m_pDoc->GetSheetLimits());
        aMark.SelectOneTable(0);

        // Set up clip document.
        ScDocument aClipDoc(SCDOCMODE_CLIP);
        aClipDoc.ResetClip(m_pDoc, &aMark);
        // Cut B1:B2 to clipboard.
        cutToClip(*m_xDocShell, ScRange(1,0,0, 1,1,0), &aClipDoc, false);

        // Check results in C1:C4 after Cut.
        const double fVec1[] = { 1.0, 4.0, 48.0, 192.0 };
        aPos = ScAddress(2,0,0);
        for (SCROW i=0; i < 4; ++i)
        {
            CPPUNIT_ASSERT_EQUAL( fVec1[i], m_pDoc->GetValue(aPos));
            aPos.IncRow();
        }

        // Paste to B3:B4
        ScRange aPasteRange(1,2,0, 1,3,0);
        aMark.SetMarkArea(aPasteRange);
        m_pDoc->CopyFromClip( aPasteRange, aMark, InsertDeleteFlags::CONTENTS, nullptr, &aClipDoc);

        // Check results in C1:C4 after Paste.
        const double fVec2[] = { 1.0, 4.0, 18.0, 72.0 };
        aPos = ScAddress(2,0,0);
        for (SCROW i=0; i < 4; ++i)
        {
            CPPUNIT_ASSERT_EQUAL( fVec2[i], m_pDoc->GetValue(aPos));
            aPos.IncRow();
        }

        // Paste to B1:B2
        aPasteRange = ScRange(1,0,0, 1,1,0);
        aMark.SetMarkArea(aPasteRange);
        m_pDoc->CopyFromClip( aPasteRange, aMark, InsertDeleteFlags::CONTENTS, nullptr, &aClipDoc);

        // Check results in C1:C4 after Paste.
        const double fVec3[] = { 3.0, 12.0, 18.0, 72.0 };
        aPos = ScAddress(2,0,0);
        for (SCROW i=0; i < 4; ++i)
        {
            CPPUNIT_ASSERT_EQUAL( fVec3[i], m_pDoc->GetValue(aPos));
            aPos.IncRow();
        }

        m_pDoc->DeleteTab(0);
    }
}

// tdf#121002
CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaCutCopyMoveWithRef)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Data in A1:C4
    std::vector<std::vector<const char*>> aData = {
        {  "",  "", "=SUM(A1:B1)" },
        {  "",  "", "=SUM(A2:B2)" },
        { "1", "2", "=SUM(A3:B3)" },
        { "4", "8", "=SUM(A4:B4)" }
    };
    const ScAddress aOrgPos(0,0,0);
    insertRangeData( m_pDoc, aOrgPos, aData);

    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);

    ScAddress aPos( ScAddress::UNINITIALIZED);

    // Check results in C1:C4
    const double fVec0[] = { 0.0, 0.0, 3.0, 12.0 };
    aPos = ScAddress(2,0,0);
    for (SCROW i=0; i < 4; ++i)
    {
        CPPUNIT_ASSERT_EQUAL( fVec0[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    // Set up clip document.
    ScDocument aClipDoc(SCDOCMODE_CLIP);
    aClipDoc.ResetClip(m_pDoc, &aMark);
    // Cut A3:B3 to clipboard.
    cutToClip(*m_xDocShell, ScRange(0,2,0, 1,2,0), &aClipDoc, false);

    // Check results in C1:C4 after Cut.
    const double fVec1[] = { 0.0, 0.0, 0.0, 12.0 };
    aPos = ScAddress(2,0,0);
    for (SCROW i=0; i < 4; ++i)
    {
        CPPUNIT_ASSERT_EQUAL( fVec1[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    // Paste to A1:B1
    ScRange aPasteRange(0,0,0, 1,0,0);
    aMark.SetMarkArea(aPasteRange);
    m_pDoc->CopyFromClip( aPasteRange, aMark, InsertDeleteFlags::CONTENTS, nullptr, &aClipDoc);

    // Check results in C1:C4 after Paste.
    const double fVec2[] = { 3.0, 0.0, 3.0, 12.0 };
    aPos = ScAddress(2,0,0);
    for (SCROW i=0; i < 4; ++i)
    {
        CPPUNIT_ASSERT_EQUAL( fVec2[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    // Check formulas in C1:C4 after Paste.
    const std::u16string_view sForm[] = { u"=SUM(A1:B1)", u"=SUM(A2:B2)", u"=SUM(A1:B1)", u"=SUM(A4:B4)" };
    for (SCROW i=0; i < 4; ++i)
    {
        OUString aFormula = m_pDoc->GetFormula( 2,i,0 );
        CPPUNIT_ASSERT_EQUAL( OUString(sForm[i]), aFormula);
    }

    m_pDoc->DeleteTab(0);
}

// tdf#120013
CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaCutCopyMoveWithinRun)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Data in C3:E9
    const std::vector<std::vector<const char*>> aData = {
        { "2200",     "", "=SUM(C$3:C3)-SUM(D$3:D3)" },
        {     "",     "", "=SUM(C$3:C4)-SUM(D$3:D4)" },
        {     "", "1900", "=SUM(C$3:C5)-SUM(D$3:D5)" },
        {     "",     "", "=SUM(C$3:C6)-SUM(D$3:D6)" },
        { "1600",     "", "=SUM(C$3:C7)-SUM(D$3:D7)" },
        {     "", "1000", "=SUM(C$3:C8)-SUM(D$3:D8)" },
        {     "",     "", "=SUM(C$3:C9)-SUM(D$3:D9)" }
    };
    const ScAddress aOrgPos(2,2,0);
    insertRangeData( m_pDoc, aOrgPos, aData);

    // Check that E3:E9 is a formula group.
    const ScAddress aFormulaPos(4,2,0);
    const ScFormulaCell* pFC = m_pDoc->GetFormulaCell( aFormulaPos);
    CPPUNIT_ASSERT(pFC);
    CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula top row.", aFormulaPos.Row(), pFC->GetSharedTopRow());
    CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula length.", static_cast<SCROW>(7), pFC->GetSharedLength());

    ScAddress aPos( ScAddress::UNINITIALIZED);

    // Check results in E3:E9
    const double fVec0[] = { 2200.0, 2200.0, 300.0, 300.0, 1900.0, 900.0, 900.0 };
    CPPUNIT_ASSERT_EQUAL_MESSAGE( "Number of checks mismatch.", SAL_N_ELEMENTS(fVec0), aData.size());
    aPos = aFormulaPos;
    for (size_t i=0; i < SAL_N_ELEMENTS(fVec0); ++i)
    {
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "E3:E9", fVec0[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    ScMarkData aMark(m_pDoc->GetSheetLimits());
    aMark.SelectOneTable(0);

    // Set up clip document.
    ScDocument aClipDoc(SCDOCMODE_CLIP);
    aClipDoc.ResetClip(m_pDoc, &aMark);
    // Cut A8:D8 to clipboard.
    cutToClip(*m_xDocShell, ScRange(0,7,0, 3,7,0), &aClipDoc, false);

    // Check results in E3:E9 after Cut.
    const double fVec1[] = { 2200.0, 2200.0, 300.0, 300.0, 1900.0, 1900.0, 1900.0 };
    CPPUNIT_ASSERT_EQUAL_MESSAGE( "Number of checks mismatch.", SAL_N_ELEMENTS(fVec1), aData.size());
    aPos = aFormulaPos;
    for (size_t i=0; i < SAL_N_ELEMENTS(fVec1); ++i)
    {
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "E3:E9 after Cut.", fVec1[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    // Paste to A4:D4
    ScRange aPasteRange(0,3,0, 3,3,0);
    aMark.SetMarkArea(aPasteRange);
    m_pDoc->CopyFromClip( aPasteRange, aMark, InsertDeleteFlags::CONTENTS, nullptr, &aClipDoc);

    // Check results in E3:E9 after Paste.
    const double fVec2[] = { 2200.0, 1200.0, -700.0, -700.0, 900.0, 900.0, 900.0 };
    CPPUNIT_ASSERT_EQUAL_MESSAGE( "Number of checks mismatch.", SAL_N_ELEMENTS(fVec2), aData.size());
    aPos = aFormulaPos;
    for (size_t i=0; i < SAL_N_ELEMENTS(fVec2); ++i)
    {
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "E3:E9 after Paste.", fVec2[i], m_pDoc->GetValue(aPos));
        aPos.IncRow();
    }

    m_pDoc->DeleteTab(0);
}

// tdf#129396
CPPUNIT_TEST_FIXTURE(TestSharedFormula, testSharedFormulaInsertShift)
{
    sc::AutoCalcSwitch aACSwitch(*m_pDoc, true); // turn on auto calc.

    m_pDoc->InsertTab(0, u"Test"_ustr);

    // Data in A1:C2
    const std::vector<std::vector<const char*>> aData = {
        { "1", "2", "=SUM(A1:B1)" },
        { "4", "8", "=SUM(A2:B2)" }
    };
    const ScAddress aOrgPos(0,0,0);
    insertRangeData( m_pDoc, aOrgPos, aData);

    {
        // Check that C1:C2 is a formula group.
        const ScAddress aFormulaPos(2,0,0);
        const ScFormulaCell* pFC = m_pDoc->GetFormulaCell( aFormulaPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula top row.", aFormulaPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula length.", static_cast<SCROW>(2), pFC->GetSharedLength());
    }

    {
        // Check results in C1:C2
        ScAddress aPos( aOrgPos);
        aPos.SetCol(2);
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "C1", 3.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "C2", 12.0, m_pDoc->GetValue(aPos));
    }

    const bool bSuccess = m_pDoc->InsertCol( 0, 0, 1, 0, 2, 1);
    CPPUNIT_ASSERT_MESSAGE( "InsertCol", bSuccess);

    {
        // Check that D1:D2 is a formula group.
        const ScAddress aFormulaPos(3,0,0);
        const ScFormulaCell* pFC = m_pDoc->GetFormulaCell( aFormulaPos);
        CPPUNIT_ASSERT(pFC);
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula top row.", aFormulaPos.Row(), pFC->GetSharedTopRow());
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "Shared formula length.", static_cast<SCROW>(2), pFC->GetSharedLength());
    }

    {
        // Modify values in B1:B2
        ScAddress aPos( aOrgPos);
        aPos.SetCol(1);
        m_pDoc->SetValue(aPos, 16.0);
        aPos.IncRow();
        m_pDoc->SetValue(aPos, 32.0);
    }

    {
        // Check results in D1:D2
        ScAddress aPos( aOrgPos);
        aPos.SetCol(3);
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "D1", 17.0, m_pDoc->GetValue(aPos));
        aPos.IncRow();
        CPPUNIT_ASSERT_EQUAL_MESSAGE( "D2", 36.0, m_pDoc->GetValue(aPos));
    }

    m_pDoc->DeleteTab(0);
}

CPPUNIT_PLUGIN_IMPLEMENT();

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