File: testexception.pas

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unit TestException;

{$mode objfpc}{$H+}

interface

uses
  Classes, sysutils, fpcunit, testutils, testregistry, TestGDBMIControl,
  TestBase, GDBMIDebugger, LCLProc, DbgIntfDebuggerBase;

type

  { TTestExceptionOne }

  TTestExceptionOne = class(TGDBTestCase)
  private
    FCurLine: Integer;
    FCurFile: string;

    FGotExceptCount: Integer;
    FGotExceptClass: String;
    FGotExceptMsg: String;
    FGotExceptType: TDBGExceptionType;

    procedure DoDebuggerException(Sender: TObject;
                                  const AExceptionType: TDBGExceptionType;
                                  const AExceptionClass: String;
                                  const AExceptionLocation: TDBGLocationRec;
                                  const AExceptionText: String;
                                  out AContinue: Boolean);
  protected
    procedure DoCurrent(Sender: TObject; const ALocation: TDBGLocationRec);
  published
    procedure TestException;
    procedure TestExceptionStepOut;
  end;


const
  (* Stepping out of the exception may currently stop one line before the "except statemet.
     The lines below are the first line in the statement. (so 2 later)
  *)
  BREAK_LINE_EXCEPT_1 = 20;  // first except blog // may be 18 = at "except" keyword
  BREAK_LINE_EXCEPT_2 = 31;  // 2nd except
  BREAK_LINE_EXCEPT_END = 38; // line for break at end

implementation

    //dbg.OnBreakPointHit := @DebuggerBreakPointHit;
    //dbg.OnState         := @DebuggerChangeState;
    //dbg.OnCurrent       := @DebuggerCurrentLine;
    //dbg.OnDbgOutput     := @DebuggerOutput;
    //dbg.OnDbgEvent      := @DebuggerEvent;

procedure TTestExceptionOne.DoDebuggerException(Sender: TObject;
  const AExceptionType: TDBGExceptionType; const AExceptionClass: String;
  const AExceptionLocation: TDBGLocationRec; const AExceptionText: String;
  out AContinue: Boolean);
begin
  inc(FGotExceptCount);
  FGotExceptClass := AExceptionClass;
  FGotExceptMsg   := AExceptionText;
  FGotExceptType  := AExceptionType;
  AContinue := False;
end;

procedure TTestExceptionOne.DoCurrent(Sender: TObject; const ALocation: TDBGLocationRec);
begin
  FCurFile := ALocation.SrcFile;
  FCurLine := ALocation.SrcLine;
end;

procedure TTestExceptionOne.TestException;
var
  TestExeName, TstName: string;
  dbg: TGDBMIDebugger;
begin
  if SkipTest then exit;
  if not TestControlForm.CheckListBox1.Checked[TestControlForm.CheckListBox1.Items.IndexOf('TTestExceptionOne')] then exit;
  ClearTestErrors;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, '', '-gt -gh');
  try
    FGotExceptCount := 0; TstName := 'all';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 060000);
    dbg.Run;
    TestEquals(TstName+' Got 2nd exception', 2, FGotExceptCount);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 2, FGotExceptCount);
    TestEquals(TstName+' Got class', 'MyESome', FGotExceptClass);
    // not yet MakePrintable
    //TestEquals(TstName+' Got msg',   'abc üü {[''''[{ \n\t''#13#9''#', FGotExceptMsg, 050300);
    TestEquals(TstName+' Got msg',   'abc üü {[''[{ \n\t'#13#9'#', FGotExceptMsg, 050300);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'no_etype',
              '-dTEST_NO_EXCEPTION_TYPE -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'no_exp_type';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 1, FGotExceptCount);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'no_etype_ptr',
              '-dTEST_NO_EXCEPTION_TYPE -dTEST_NO_POINTER_VAR -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'no_exp_type_ptr';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 1, FGotExceptCount);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'no_etype_str',
              '-dTEST_NO_EXCEPTION_TYPE -dTEST_NO_STRING_VAR -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'no_exp_type_str';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 1, FGotExceptCount);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'no_etype_ptr_str',
               '-dTEST_NO_EXCEPTION_TYPE -dTEST_NO_POINTER_VAR -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'no_exp_type_ptr_str';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 1, FGotExceptCount);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'no_etype_ptr_str_var',
               '-dTEST_NO_EXCEPTION_TYPE -dTEST_NO_POINTER_VAR -dTEST_NO_EXCEPTION_VAR -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'no_exp_type_ptr_str_var';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 1, FGotExceptCount);
    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;



  TestCompile(AppDir + 'ExceptPrg.pas', TestExeName, 'with_hplus', '-dTEST_WITH_HPLUS -gt -gh');
  try
    FGotExceptCount := 0; TstName := 'with_hplus';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);
    TestEquals(TstName+' Got class', 'Exception', FGotExceptClass);
    TestEquals(TstName+' Got msg',   'foo', FGotExceptMsg, 050300);
    dbg.Run;
    TestEquals(TstName+' Got 2nd exception', 2, FGotExceptCount);
    dbg.Run;
    TestEquals(TstName+' Got no more exception', 2, FGotExceptCount);
    TestEquals(TstName+' Got class', 'MyESome', FGotExceptClass);
    //TestEquals(TstName+' Got msg',   'abc üü {[''''[{ \n\t''#13#9''#', FGotExceptMsg, 050300);
    TestEquals(TstName+' Got msg',   'abc üü {[''[{ \n\t'#13#9'#', FGotExceptMsg, 050300);

    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;



  AssertTestErrors;
end;

procedure TTestExceptionOne.TestExceptionStepOut;
var
  TestExeName, TstName: string;
  dbg: TGDBMIDebugger;
begin
  if SkipTest then exit;
  if not TestControlForm.CheckListBox1.Checked[TestControlForm.CheckListBox1.Items.IndexOf('TTestExceptionOne')] then exit;
  ClearTestErrors;

  TestCompile(AppDir + 'ExceptPrgStep.pas', TestExeName, '', '');
  try
    FGotExceptCount := 0; TstName := 'STEP';
    dbg := StartGDB(AppDir, TestExeName);
    dbg.OnException      := @DoDebuggerException;
    dbg.OnCurrent        := @DoCurrent;

    with dbg.BreakPoints.Add('ExceptPrgStep.pas', BREAK_LINE_EXCEPT_END) do begin
      InitialEnabled := True;
      Enabled := True;
    end;

    dbg.Run;
    TestEquals(TstName+' Got 1 exception', 1, FGotExceptCount);

    dbg.StepOver;
    TestTrue(TstName+' (Stepped) at break '+IntToStr(FCurLine),
             (FCurLine <= BREAK_LINE_EXCEPT_1) and (FCurLine >= BREAK_LINE_EXCEPT_1 - 2));
    TestEquals(TstName+' (Stepped) Still Got 1 exception', 1, FGotExceptCount);

    dbg.Run;
    TestEquals(TstName+' Got 2 exception', 2, FGotExceptCount);

    dbg.StepOver;
    TestTrue(TstName+' (Stepped 2) at break '+IntToStr(FCurLine),
             (FCurLine <= BREAK_LINE_EXCEPT_2) and (FCurLine >= BREAK_LINE_EXCEPT_2 - 2));
    TestEquals(TstName+' (Stepped 2) Still Got 2 exception', 2, FGotExceptCount);

    dbg.Run; // run to break (tmp break cleared)
    TestEquals(TstName+' at break', BREAK_LINE_EXCEPT_END, FCurLine);
    TestEquals(TstName+' Still Got 2 exception', 2, FGotExceptCount);

    dbg.Stop;
  finally
    dbg.Done;
    CleanGdb;
    dbg.Free;
  end;

  AssertTestErrors;
end;

initialization
  RegisterDbgTest(TTestExceptionOne);
  RegisterTestSelectors(['TTestExceptionOne'
                        ]);

end.