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lazarus / usr / share / lazarus / 1.6 / components / synedit / test / testsyncroedit.pas
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unit TestSyncroEdit;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, testregistry, LCLProc, LCLType, Forms, TestBase,
  SynEdit, SynPluginSyncroEdit, SynEditKeyCmds;

type

  { TTestSyncroEdit }

  TTestSyncroEdit = class(TTestBase)
  protected
    FSyncroModule: TSynPluginSyncroEdit;
    procedure Dump(hsh: TSynPluginSyncroEditWordsHash);
    procedure ReCreateEdit; reintroduce;
    procedure StartSyncroMode;
  published
    procedure WordsHash;
    procedure SyncroEdit;
  end;

implementation

procedure TTestSyncroEdit.Dump(hsh: TSynPluginSyncroEditWordsHash);
var
  he: TSynPluginSyncroEditWordsHashEntry;
  i, j: Integer;
begin
  debugln(['Dump ', hsh.HashSize]);
  for i := 0 to hsh.HashSize - 1 do begin
    he := hsh.HashEntry[i, 0];
    if he.Count > 0 then begin
      debugln(['hash for ', i,', ', 0, '   Cnt=', he.Count, ' hsh=', he.Hash, ' nxt=', he.Next, ' y=', he.LineIdx, ' x=', he.BytePos, ' ln=', he.Len]);
      j := 1;
      he := hsh.HashEntry[i, j];
      while he.Count > 0 do begin
        debugln(['  hash for ', i,', ', j, ' Cnt=', he.Count, ' hsh=', he.Hash, ' nxt=', he.Next, ' y=', he.LineIdx, ' x=', he.BytePos, ' ln=', he.Len]);
        inc(j);
        he := hsh.HashEntry[i, j];
      end;
    end;
  end;
end;

procedure TTestSyncroEdit.ReCreateEdit;
begin
  inherited;
  FSyncroModule := TSynPluginSyncroEdit.Create(SynEdit);
end;

procedure TTestSyncroEdit.StartSyncroMode;
var
  i: Integer;
begin
  //DoKeyPress(VK_J, [ssCtrl]);
  SynEdit.CommandProcessor(ecSynPSyncroEdStart, '', nil);
  i := 5;
  while (i > 0) and (not FSyncroModule.Active) do begin
    dec(i);
    Application.ProcessMessages;
  end;
  AssertTrue('SyncroMode started', FSyncroModule.Active );
  Application.ProcessMessages;
end;

procedure TTestSyncroEdit.WordsHash;
var
  hsh: TSynPluginSyncroEditWordsHash;

  function Check(Msg, Wrd: String; Cnt: Integer): TSynPluginSyncroEditWordsHashEntry;
  begin
    Result:= hsh.GetWord(@Wrd[1], length(Wrd));
    AssertEquals(Msg + ' ' + Wrd + ' Cnt', Cnt, Result.Count);
    if Cnt > 0 then
      AssertEquals(Msg + ' ' + Wrd + ' Len', length(Wrd), Result.Len);
  end;
  procedure Add(Wrd: String; Y, X: Integer);
  begin
    hsh.AddWord(y, x, length(Wrd), @Wrd[1]);
    //Dump(hsh);
  end;
  procedure Del(Wrd: String);
  begin
    hsh.RemoveWord(length(Wrd), @Wrd[1]);
    //Dump(hsh);
  end;

var
  lwl: TSynPluginSyncroEditLowerLineCache;
  s: String;
  i: Integer;
begin
  lwl := TSynPluginSyncroEditLowerLineCache.Create;
  lwl.Lines := SynEdit.ViewedTextBuffer;
  try
    hsh := TSynPluginSyncroEditWordsHash.Create;
    hsh.LowerLines := lwl;

    SynEdit.Lines.Add('Test abc');
    SynEdit.Lines.Add('atdesktop before2 252'); // supposed to have the same hash on a 4096 table
    SynEdit.Lines.Add('mk_equal ecpageup'); // same big hash

    Add('test', 0, 1);  Check('one word', 'test', 1);
    Add('test', 0, 1);  Check('one word twice', 'test', 2);
    Del('test');        Check('one word one down again', 'test', 1);
    Del('test');        Check('one word gone', 'test', 0);

    s:= 'atdesktop before2 252';
    AssertEquals('clash for atdesktop before2', hsh.GetWordModHash(@s[1], 9), hsh.GetWordModHash(@s[11], 7));
    AssertEquals('clash for atdesktop 252',     hsh.GetWordModHash(@s[1], 9), hsh.GetWordModHash(@s[19], 3));
    (* repeat test, but with double entry*)
    // add word with bad pointer, so we can create a clash

    Add('atdesktop', 1, 1); s:='2W  1'; Check(s, 'atdesktop', 1); Check(s, 'before2', 0); Check(s, '252', 0);
    Add('before2', 1, 11);  s:='2W  2'; Check(s, 'atdesktop', 1); Check(s, 'before2', 1); Check(s, '252', 0);
    Del('atdesktop');       s:='2W  3'; Check(s, 'atdesktop', 0); Check(s, 'before2', 1); Check(s, '252', 0);
    Add('atdesktop', 1, 1); s:='2W  4'; Check(s, 'atdesktop', 1); Check(s, 'before2', 1); Check(s, '252', 0);
    Add('atdesktop', 1, 1); s:='2W  5'; Check(s, 'atdesktop', 2); Check(s, 'before2', 1); Check(s, '252', 0);
    Del('atdesktop');       s:='2W  6'; Check(s, 'atdesktop', 1); Check(s, 'before2', 1); Check(s, '252', 0);
    Add('before2', 1, 11);  s:='2W  7'; Check(s, 'atdesktop', 1); Check(s, 'before2', 2); Check(s, '252', 0);
    Del('before2');         s:='2W  8'; Check(s, 'atdesktop', 1); Check(s, 'before2', 1); Check(s, '252', 0);
    Add('before2', 1, 11);  s:='2W  9'; Check(s, 'atdesktop', 1); Check(s, 'before2', 2); Check(s, '252', 0);
    Add('atdesktop', 1, 1); s:='2W 10'; Check(s, 'atdesktop', 2); Check(s, 'before2', 2); Check(s, '252', 0);
    Add('atdesktop', 1, 1); s:='2W 11'; Check(s, 'atdesktop', 3); Check(s, 'before2', 2); Check(s, '252', 0);
    Add('252', 1, 19);      s:='2W 12'; Check(s, 'atdesktop', 3); Check(s, 'before2', 2); Check(s, '252', 1);
    Del('before2');         s:='2W 13'; Check(s, 'atdesktop', 3); Check(s, 'before2', 1); Check(s, '252', 1);
    Del('before2');         s:='2W 14'; Check(s, 'atdesktop', 3); Check(s, 'before2', 0); Check(s, '252', 1);
    Del('before2');         s:='2W 15'; Check(s, 'atdesktop', 3); Check(s, 'before2', 0); Check(s, '252', 1); // none to del
    Del('252');             s:='2W 16'; Check(s, 'atdesktop', 3); Check(s, 'before2', 0); Check(s, '252', 0);
    Del('252');             s:='2W 17'; Check(s, 'atdesktop', 3); Check(s, 'before2', 0); Check(s, '252', 0); // none to del
    Del('atdesktop');       s:='2W 18'; Check(s, 'atdesktop', 2); Check(s, 'before2', 0); Check(s, '252', 0);
    hsh.Clear;              s:='2W 19'; Check(s, 'atdesktop', 0); Check(s, 'before2', 0); Check(s, '252', 0);

    Add('mk_equal', 2, 1);  s:='3W  1'; Check(s, 'mk_equal', 1); Check(s, 'ecpageup', 0);
    Add('ecpageup', 2, 10); s:='3W  2';
    AssertEquals('same hash', Check(s, 'mk_equal', 1).Hash, Check(s, 'ecpageup', 1).Hash);

    Add('ecpageup', 2, 1);  s:='3W  3'; Check(s, 'mk_equal', 1); Check(s, 'ecpageup', 2);
    Add('mk_equal', 2, 1);  s:='3W  4'; Check(s, 'mk_equal', 2); Check(s, 'ecpageup', 2);
    Del('mk_equal');        s:='3W  5'; Check(s, 'mk_equal', 1); Check(s, 'ecpageup', 2);
    Del('mk_equal');        s:='3W  6'; Check(s, 'mk_equal', 0); Check(s, 'ecpageup', 2);
    Del('mk_equal');        s:='3W  7'; Check(s, 'mk_equal', 0); Check(s, 'ecpageup', 2);
    hsh.Clear;

    // resize test
    for i := 0 to 5000 do begin
  //if i = 2200 then  Dump(hsh);
      SynEdit.Lines.Add(IntToStr(i));
      Add(inttostr(i), 3+i, 1);
      if i mod 7 = 0 then
        Add(inttostr(i), 3+i, 1);
    end;
    for i := 0 to 5000 do
      if i mod 7 = 0 then
        Check(inttostr(i), inttostr(i), 2)
      else
        Check(inttostr(i), inttostr(i), 1);

  finally
    hsh.free;
    lwl.Free;
  end;
end;

procedure TTestSyncroEdit.SyncroEdit;
var
  Name: String;
  DoUndo: Boolean;

  procedure SetTestText(TextIdx: Integer = 0);
  begin
    case TextIdx of
      0: SetLines(['abc foo',     // 1
                   'foo abc xy',  // 2
                   '  abc foo',   // 4
                   '',            // 5
                   'foo'          // 6
                  ]);
      1: SetLines(['abc foo',     // 1
                   'foo abc xy',  // 2
                   '  foo foo abc',//4
                   '',            // 5
                   'foo'          // 6
                  ]);
    end;
  end;
  procedure InitTestText(X1, Y1, X2, Y2: Integer; TextIdx: Integer = 0);
  begin
    ReCreateEdit;
    SynEdit.Options := SynEdit.Options - [eoGroupUndo, eoSmartTabDelete, eoSmartTabs] + [eoAutoIndent];
    SetTestText(TextIdx);
    SetCaretAndSel(X1, Y1, X2, Y2);
    StartSyncroMode;
  end;

  procedure TestCmdAt(AName: String; X, Y: Integer; Cmd: TSynEditorCommand;
    Exp: Array of String; SyncRunning: Boolean = True);
  var
    t: String;
  begin
    t := SynEdit.Text;
    SetCaret(x, y);
    SynEdit.CommandProcessor(Cmd, '', nil);
    TestIsFullText(Format('Cmd at (%d,%d) %s / %s', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('Cmd at (%d,%d) %s / %s - Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
    if not DoUndo then exit;
    SynEdit.Undo;
    TestIsFullText(Format('Cmd at (%d,%d) %s / %s UNDONE', [X, Y, Name, AName]), t);
    SynEdit.Redo;
    TestIsFullText(Format('Cmd at (%d,%d) %s / %s REDONE', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('Cmd at (%d,%d) %s / %s - REDONE Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
  end;

  procedure TestKeyAt(AName: String; X, Y: Integer; Key: Word; Shift: TShiftState;
    Exp: Array of String; SyncRunning: Boolean = True);
  var
    t: String;
  begin
    t := SynEdit.Text;
    SetCaret(x, y);
    DoKeyPress(Key, Shift);
    TestIsFullText(Format('KeyPress at (%d,%d) %s / %s', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('KeyPress at (%d,%d) %s / %s - Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
    if not DoUndo then exit;
    SynEdit.Undo;
    TestIsFullText(Format('KeyPress at (%d,%d) %s / %s UNDONE', [X, Y, Name, AName]), t);
    SynEdit.Redo;
    TestIsFullText(Format('KeyPress at (%d,%d) %s / %s REDONE', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('KeyPress at (%d,%d) %s / %s - REDONE Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
  end;

  procedure TestKeyAtSel(AName: String; X, Y, X2, Y2: Integer; Key: Word; Shift: TShiftState;
    Exp: Array of String; SyncRunning: Boolean = True);
  var
    t: String;
  begin
    t := SynEdit.Text;
    SetCaretAndSel(x, y, X2, Y2);
    DoKeyPress(Key, Shift);
    TestIsFullText(Format('KeyPress+Sel at (%d,%d) %s / %s', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('KeyPress+Sel at (%d,%d) %s / %s - Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
    if not DoUndo then exit;
    SynEdit.Undo;
    TestIsFullText(Format('KeyPress+Sel at (%d,%d) %s / %s UNDONE', [X, Y, Name, AName]), t);
    SynEdit.Redo;
    TestIsFullText(Format('KeyPress+Sel at (%d,%d) %s / %s REDONE', [X, Y, Name, AName]), Exp);
    AssertEquals(Format('KeyPress+Sel at (%d,%d) %s / %s - REDONE Sync Running', [X, Y, Name, AName]), SyncRunning, FSyncroModule.Active );
  end;

  procedure TestSyncro;
  begin
    (* Edit at start/end of cell (insert/delete [backspace/del] )
       Edit cell, delete all, type again / Cut,Paste / newline
       Edit selection at start/end/complete of cell (delete/replace)
       Edit Cells, with 2 synced cells on same line

       Insert, delete linebreak in cell (with/without auto-indent)
         - includes some trim space
         - include 2 cells on one line

       Edit just before/after cell, while caret in cell (backspace at start / del at end)
         - same with emptied cell
       Edit just before/after cell, while caret in cell (selection outside cell / replace, delete)
         - part in/ part out of cell

       External Edit outside cell
TODO   External Edit inside current/other cell (or while caret outside any cell)

TODO   Lines[x] := ''; Lines.Add(); should deactivate the syncroMode

       TODO: more trim-space
       TODO: Delete word / last word => restrain to cell
       TODO: Change trim spaces, so it does keep spaces after undo
             see note in tests
    *)

    {%region Edit at start/end of cell (insert/delete [backspace/del] ) }
      {%region 'Insert/KeyPress inside cell' }
        name := 'Insert/KeyPress inside cell';
        InitTestText(1,2, 1,4);
        TestKeyAt('Insert at Cell FOO (1 of 2), pos=1', 1, 2, VK_M, [],
          ['abc foo',
           'mfoo abc xy',
           '  abc mfoo',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('insert at cell FOO (1 of 2), pos=end', 4, 2, VK_M, [],
          ['abc foo',
           'foom abc xy',
           '  abc foom',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('insert at cell FOO (2 of 2), pos=1', 7, 3, VK_M, [],
          ['abc foo',
           'mfoo abc xy',
           '  abc mfoo',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('insert at cell FOO (2 of 2), pos=end', 10, 3, VK_M, [],
          ['abc foo',
           'foom abc xy',
           '  abc foom',
           '',
           'foo',
           '']);

        InitTestText(1,1, 1,4);
        TestKeyAt('insert at cell FOO (2 of 3), pos=1', 1, 2, VK_M, [],
          ['abc mfoo',
           'mfoo abc xy',
           '  abc mfoo',
           '',
           'foo',
           '']);

        InitTestText(1,1, 1,4);
        TestKeyAt('insert at cell FOO (2 of 3), pos=end', 4, 2, VK_M, [],
          ['abc foom',
           'foom abc xy',
           '  abc foom',
           '',
           'foo',
           '']);
        TestKeyAt('insert(continue) at cell FOO (2 of 3), pos=new-end', 5, 2, VK_X, [],
          ['abc foomx',
           'foomx abc xy',
           '  abc foomx',
           '',
           'foo',
           '']);
        TestKeyAt('insert(continue) at cell FOO (2 of 3), pos=1', 1, 2, VK_N, [],
          ['abc nfoomx',
           'nfoomx abc xy',
           '  abc nfoomx',
           '',
           'foo',
           '']);
        TestKeyAt('insert(continue) at cell ABC(was FOO) (2 of 3), pos=1', 8, 2, VK_D, [],
          ['dabc nfoomx',
           'nfoomx dabc xy',
           '  dabc nfoomx',
           '',
           'foo',
           '']);
        TestKeyAt('insert(continue) at cell ABC(was FOO) (2 of 3), pos=end', 12, 2, VK_E, [],
          ['dabce nfoomx',
           'nfoomx dabce xy',
           '  dabce nfoomx',
           '',
           'foo',
           '']);
        TestKeyAt('insert(continue) at cell ABC(was FOO) (1 of 3), pos=mid', 3, 1, VK_F, [],
          ['dafbce nfoomx',
           'nfoomx dafbce xy',
           '  dafbce nfoomx',
           '',
           'foo',
           '']);
      {%endregion}
      {%region 'Delete/KeyPress inside cell' }
        name := 'Delete/KeyPress inside cell';
        InitTestText(1,2, 1,4);
        TestKeyAt('Delete at Cell FOO (1 of 2), pos=1', 1, 2, VK_DELETE, [],
          ['abc foo',
           'oo abc xy',
           '  abc oo',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('Backspace at Cell FOO (1 of 2), pos=1', 2, 2, VK_BACK, [],
          ['abc foo',
           'oo abc xy',
           '  abc oo',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('Delete at cell FOO (1 of 2), pos=end', 3, 2, VK_DELETE, [],
          ['abc foo',
           'fo abc xy',
           '  abc fo',
           '',
           'foo',
           '']);

        InitTestText(1,2, 1,4);
        TestKeyAt('Backspace at cell FOO (1 of 2), pos=end', 4, 2, VK_BACK, [],
          ['abc foo',
           'fo abc xy',
           '  abc fo',
           '',
           'foo',
           '']);


        InitTestText(1,1, 1,4);
        TestKeyAt('Delete at Cell FOO (3 of 3), pos=1', 7, 3, VK_DELETE, [],
          ['abc oo',
           'oo abc xy',
           '  abc oo',
           '',
           'foo',
           '']);

        InitTestText(1,1, 1,4);
        TestKeyAt('Backspace at cell FOO (3 of 3), pos=end', 10, 3, VK_BACK, [],
          ['abc fo',
           'fo abc xy',
           '  abc fo',
           '',
           'foo',
           '']);
        TestKeyAt('Delete(continue) at cell FOO (1 of 3), pos=end', 5, 1, VK_DELETE, [],
          ['abc o',
           'o abc xy',
           '  abc o',
           '',
           'foo',
           '']);
        TestKeyAt('Delete(continue) at cell ABC(was FOO) (2 of 3), pos=1', 3, 2, VK_DELETE, [],
          ['bc o',
           'o bc xy',
           '  bc o',
           '',
           'foo',
           '']);
        TestKeyAt('Backspace(continue) at cell ABC(was FOO) (2 of 3), pos=end', 5, 2, VK_BACK, [],
          ['b o',
           'o b xy',
           '  b o',
           '',
           'foo',
           '']);
      {%endregion}
    {%endregion}

    {%region Edit cell, delete all, type again }
      name := 'DeleteAll-Retype/KeyPress inside cell';
      InitTestText(1,2, 1,4);
      TestKeyAt('Delete at Cell FOO (1 of 2), pos=1', 1, 2, VK_DELETE, [],
        ['abc foo',
         'oo abc xy',
         '  abc oo',
         '',
         'foo',
         '']);
      TestKeyAt('Delete at Cell OO (1 of 2), pos=1', 1, 2, VK_DELETE, [],
        ['abc foo',
         'o abc xy',
         '  abc o',
         '',
         'foo',
         '']);
      TestKeyAt('Delete at Cell O (1 of 2), pos=1', 1, 2, VK_DELETE, [],
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('Retype(del) at Cell FOO (1 of 2), pos=1', 1, 2, VK_X, [],
        ['abc foo',
         'x abc xy',
         '  abc x',
         '',
         'foo',
         '']);
if not DoUndo then begin // todo: fails with undo
(* loosing trailing space on undo
   This is due to "FTrimmedLinesView.ForceTrim;" in SynEdit.Undo
   Which in turn is there, because the trimming in undo, must be done while the UndoList is still locked....
*)
      TestKeyAt('Delete at Cell X (1 of 2), pos=1', 1, 2, VK_DELETE, [],
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('Retype / Insert new line', 1, 2, VK_RETURN, [],
        ['abc foo',
         '',' abc xy',
         '  abc ','',
         '',
         'foo',
         '']);
end;

      InitTestText(1,2, 1,4);
      TestCmdAt('DeleteLastWord at Cell FOO (1 of 2), pos=end', 4, 2, ecDeleteLastWord,
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('Retype(bck-sp) at Cell FOO (1 of 2)', 1, 2, VK_X, [],
        ['abc foo',
         'x abc xy',
         '  abc x',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestCmdAt('DeleteLastWord at Cell FOO (1 of 2), pos=end', 4, 2, ecDeleteLastWord,
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('Retype(bck-sp) at other Cell FOO (2 of 2)', 7, 3, VK_X, [],
        ['abc foo',
         'x abc xy',
         '  abc x',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Cut at Cell FOO (1 of 2), pos=1', 4,2, 1,2, VK_X, [ssCtrl],
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('paste at Cell FOO (1 of 2), pos=1', 1, 2, VK_V, [ssCtrl],
        ['abc foo',
         'foo abc xy',
         '  abc foo',
         '',
         'foo',
         '']);
    {%endregion}

    {%region Edit selection at start/end/complete of cell (delete/replace) }
      name := 'Delete/Selection';
      InitTestText(1,2, 1,4);
      TestKeyAtSel('at start of cell', 3,2, 1,2, VK_DELETE, [],
        ['abc foo',
         'o abc xy',
         '  abc o',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('at end of cell', 2,2, 4,2, VK_DELETE, [],
        ['abc foo',
         'f abc xy',
         '  abc f',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('full cell', 4,2, 1,2, VK_DELETE, [],
        ['abc foo',
         ' abc xy',
         '  abc ',
         '',
         'foo',
         '']);
      TestKeyAt('full cell(continue, reinsert)', 1,2, VK_A, [],
        ['abc foo',
         'a abc xy',
         '  abc a',
         '',
         'foo',
         '']);

      name := 'Replace/Selection';
      InitTestText(1,2, 1,4);
      TestKeyAtSel('at start of cell', 3,2, 1,2, VK_L, [],
        ['abc foo',
         'lo abc xy',
         '  abc lo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('at end of cell', 2,2, 4,2, VK_L, [],
        ['abc foo',
         'fl abc xy',
         '  abc fl',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('full cell', 4,2, 1,2, VK_L, [],
        ['abc foo',
         'l abc xy',
         '  abc l',
         '',
         'foo',
         '']);
    {%endregion}

    {%region Edit Edit Cells, with 2 synced cells on same line }
      name := 'Two cells on one line';
      InitTestText(1,2, 1,4, 1);
      TestKeyAt('insert in 1st cell', 3, 3, VK_X, [],
        ['abc foo',
         'xfoo abc xy',
         '  xfoo xfoo abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('insert in 2nd cell', 7, 3, VK_Y, [],
        ['abc foo',
         'yfoo abc xy',
         '  yfoo yfoo abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('insert in 2nd cell (2)', 10, 3, VK_Y, [],
        ['abc foo',
         'fooy abc xy',
         '  fooy fooy abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('delete in 1st cell', 6, 3, VK_BACK, [],
        ['abc foo',
         'fo abc xy',
         '  fo fo abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('delete in 2nd cell', 7, 3, VK_DELETE, [],
        ['abc foo',
         'oo abc xy',
         '  oo oo abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAtSel('Sel-Replace in 1st cell', 4,3, 6,3, VK_M, [],
        ['abc foo',
         'fm abc xy',
         '  fm fm abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAtSel('Sel-Replace in 2nd cell', 7,3, 9,3, VK_N, [],
        ['abc foo',
         'no abc xy',
         '  no no abc',
         '',
         'foo',
         '']);
    {%endregion}

    {%region Insert, delete linebreak in cell (with/without auto-indent) }
      Name := 'LineBreaks';
      InitTestText(1,2, 1,4);
      TestKeyAt('Return middle of FOO, no indent', 2, 2, VK_RETURN, [],
        ['abc foo',
         'f','oo abc xy',
         '  abc f','oo',
         '',
         'foo',
         '']);
      TestKeyAt('Return middle of FOO, no indent - continue 1', 2, 2, VK_A, [],
        ['abc foo',
         'fa','oo abc xy',
         '  abc fa','oo',
         '',
         'foo',
         '']);
      TestKeyAt('Return middle of FOO, no indent - continue 2', 1, 3, VK_B, [],
        ['abc foo',
         'fa','boo abc xy',
         '  abc fa','boo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAt('Return begin of FOO, no indent', 1, 2, VK_RETURN, [],
        ['abc foo',
         '','foo abc xy',
         '  abc ','foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return begin of FOO, no indent - cotinue 1', 1, 3, VK_C, [],
        ['abc foo',
         '','cfoo abc xy',
         '  abc ','cfoo',
         '',
         'foo',
         '']);
if not DoUndo then begin
// TODO: fails due to trim space
      TestKeyAt('Return begin of FOO, no indent - cotinue 2', 1, 2, VK_D, [],
        ['abc foo',
         'd','cfoo abc xy',
         '  abc d','cfoo',
         '',
         'foo',
         '']);
end;

      InitTestText(1,2, 1,4);
      TestKeyAt('Return end of FOO, no indent', 4, 2, VK_RETURN, [],
        ['abc foo',
         'foo',' abc xy',
         '  abc foo','',
         '',
         'foo',
         '']);
      TestKeyAt('Return end of FOO, no indent - continue 1', 1, 5, VK_E, [],
        ['abc foo',
         'foo','e abc xy',
         '  abc foo','e',
         '',
         'foo',
         '']);
      TestKeyAt('Return end of FOO, no indent - continue 2', 7, 4, VK_A, [],
        ['abc foo',
         'afoo','e abc xy',
         '  abc afoo','e',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAt('Return middle of ABC, with indent', 4, 3, VK_RETURN, [],
        ['abc foo',
         'foo a','  bc xy',
         '  a','  bc foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return middle of ABC, with indent - continue 1', 5, 3, VK_A, [],
        ['abc foo',
         'foo a','  bca xy',
         '  a','  bca foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return middle of ABC, with indent - continue 2', 6, 2, VK_B, [],
        ['abc foo',
         'foo ab','  bca xy',
         '  ab','  bca foo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAt('Return begin of ABC, with indent', 3, 3, VK_RETURN, [],
        ['abc foo',
         'foo ','  abc xy',
         '  ','  abc foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return begin of ABC, with indent - continue 1', 5, 2, VK_C, [],
        ['abc foo',
         'foo c','  abc xy',
         '  c','  abc foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return begin of ABC, with indent - continue 2', 6, 3, VK_D, [],
        ['abc foo',
         'foo c','  abcd xy',
         '  c','  abcd foo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      TestKeyAt('Return end of ABC, with indent', 6, 3, VK_RETURN, [],
        ['abc foo',
         'foo abc','   xy',
         '  abc','   foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return end of ABC, with indent - continue 1', 6, 4, VK_E, [],
        ['abc foo',
         'foo abce','   xy',
         '  abce','   foo',
         '',
         'foo',
         '']);
      TestKeyAt('Return end of ABC, with indent - continue 2', 3, 5, VK_F, [],
        ['abc foo',
         'foo abce','  f xy',
         '  abce','  f foo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('2 cells in one line: insert in 1st cell', 4, 3, VK_RETURN, [],
        ['abc foo',
         'f','  oo abc xy',
         '  f','  oo f','  oo abc',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4, 1);
      TestKeyAt('2 cells in one line: insert in 2nd cell', 8, 3, VK_RETURN, [],
        ['abc foo',
         'f','  oo abc xy',
         '  f','  oo f','  oo abc',
         '',
         'foo',
         '']);
    {%endregion}

    {%region Edit just before/after cell, while caret in cell (backspace at start / del at end) }
      name := 'Delete/KeyPress caret in cell, text out of cell';
      InitTestText(1,2, 1,4);
      TestKeyAt('Delete after  Cell ABC', 8, 2, VK_DELETE, [],
        ['abc foo',
         'foo abcxy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAt('Delete before Cell ABC', 5, 2, VK_BACK, [],
        ['abc foo',
         'fooabc xy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('prepare empty cell', 5,2, 8,2, VK_BACK, [],
        ['abc foo',
         'foo  xy',
         '   foo',
         '',
         'foo',
         ''], TRUE);
      TestKeyAt('Backspace, start of empty cell', 5,2, VK_BACK, [],
        ['abc foo',
         'foo xy',
         '   foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('prepare empty cell', 5,2, 8,2, VK_BACK, [],
        ['abc foo',
         'foo  xy',
         '   foo',
         '',
         'foo',
         ''], TRUE);
      TestKeyAt('Delete, end of empty cell', 5,2, VK_DELETE, [],
        ['abc foo',
         'foo xy',
         '   foo',
         '',
         'foo',
         ''], FALSE);
    {%endregion}

    {%region Edit just before/after cell, while caret in cell (selection outside cell / replace, delete) }
      name := 'Delete/Selection: caret in cell, text out of cell';
      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, after cell', 9,2, 8,2, VK_DELETE, [],
        ['abc foo',
         'foo abcxy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Replace-Sel, after cell', 9,2, 8,2, VK_M, [],
        ['abc foo',
         'foo abcmxy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, part-in,part-after cell', 9,2, 7,2, VK_DELETE, [],
        ['abc foo',
         'foo abxy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, part-in,part-after cell (caret out of cell)', 7,2, 9,2, VK_DELETE, [],
        ['abc foo',
         'foo abxy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, before cell', 4,2, 5,2, VK_DELETE, [],
        ['abc foo',
         'fooabc xy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Replace-Sel, before cell', 4,2, 5,2, VK_M, [],
        ['abc foo',
         'foomabc xy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, part-in,part-before cell', 4,2, 6,2, VK_DELETE, [],
        ['abc foo',
         'foobc xy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);

      InitTestText(1,2, 1,4);
      TestKeyAtSel('Delete-Sel, part-in,part-before cell (caret out of cell)', 6,2, 4,2, VK_DELETE, [],
        ['abc foo',
         'foobc xy',
         '  abc foo',
         '',
         'foo',
         ''], FALSE);
    {%endregion}


    //Edit just before/after cell, while caret in cell (selection outside cell / replace, delete)
    //  - same with emptied cell
    //  - part in/ part out of cell

    {%region External Edit outside cell }
      name := 'External Edit outside cell';
      InitTestText(1,2, 1,4);
      SetCaret(4,3); // into cell def
      FSyncroModule.IncExternalEditLock;
      SynEdit.TextBetweenPoints[Point(1,3), Point(2,3)] := 'a';
      FSyncroModule.DecExternalEditLock;
      TestKeyAt('with cell active', 3, 3, VK_B, [],
        ['abc foo',
         'foo babc xy',
         'a babc foo',
         '',
         'foo',
         '']);

      InitTestText(1,2, 1,4);
      SetCaret(1,3); // out of cell abc
      FSyncroModule.IncExternalEditLock;
      SynEdit.TextBetweenPoints[Point(1,3), Point(2,3)] := 'a';
      FSyncroModule.DecExternalEditLock;
      TestKeyAt('with cell not active', 3, 3, VK_B, [],
        ['abc foo',
         'foo babc xy',
         'a babc foo',
         '',
         'foo',
         '']);

(*
      InitTestText(1,2, 1,4);
      SetCaret(1,3); // out of cell abc
      FSyncroModule.IncExternalEditLock;
      SynEdit.TextBetweenPoints[Point(3,3), Point(3,3)] := 'a';
      FSyncroModule.DecExternalEditLock;
      TestKeyAt('with cell not active, extern in cell', 3, 3, VK_C, [],
        ['abc foo',
         'foo caabc xy',
         '  caabc foo',
         '',
         'foo',
         '']);
*)

    {%endregion}


    //External Edit inside current/other cell (or while caret outside any cell)

    //Application.ProcessMessages;
    //Application.ProcessMessages; sleep(2500);

  end;

begin
  DoUndo := False;
  PushBaseName('simple');
  TestSyncro;
  DoUndo := True;
  PopPushBaseName('undo/redo');
  TestSyncro;
end;

initialization

  RegisterTest(TTestSyncroEdit); 
end.