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unit Main;
{$I Defines}
interface

uses
  Winapi.Windows, REST.JSON, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls,
  uDSON;
type
  TForm1 = class(TForm)
    Memo1: TMemo;
    ObjectBtn: TButton;
    procedure ObjectBtnClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

  TRecordObject=class
  private
    FP1 : Integer;
    FP2 : TBytes;
    FP3 : string;
    FP4 : TDateTime;
  published
    property P1 : Integer   read FP1 write FP1;
    property P2 : TBytes    read FP2 write FP2;
    property P3 : string    read FP3 write FP3;
    property P4 : TDateTime read FP4 write FP4;
  end;

  TJsonRecord=
  record
    Dummy : string;
    O     : TRecordObject;
  end;


var
  Form1: TForm1;

implementation
{$R *.dfm}

procedure TForm1.ObjectBtnClick(Sender: TObject);
var
  O          : TRecordObject;
  JsonRecord : TJsonRecord;
  sJson      : string;
begin
  O     := TRecordObject.create;
  O.P1  := 11;
  O.P2  := [3,2,1];
  O.P3  := 'String';
  O.P4  := now;
  //////////////////////////////
  JsonRecord       := default(TJsonRecord);
  JsonRecord.Dummy := 'Dummy';
  JsonRecord.O     := O;
  //////////////////////////////
  sJson := TDSON.ToJson(JsonRecord);
  Memo1.Lines.Add(sJson);

  JsonRecord := TDSON.FromJson<TJsonRecord>(sJson);
  sJson      := TDSON.ToJson(JsonRecord);
  Memo1.Lines.Add(sJson);

  FreeAndNil(O);
end;

initialization
  ReportMemoryLeaksOnShutdown := True;
finalization
end.

--------------------------------2021/1/4 16:43:53--------------------------------
A memory block has been leaked. The size is: 36

This block was allocated by thread 0x1220, and the stack trace (return addresses) at the time was:
00645E0F [uMemory.pas][uMemory][NewAllocMem][73]
0040708E [System.pas][System][@GetMem][4830]
00409FF3 [System.pas][System][@NewUnicodeString][25285]
0040A224 [System.pas][System][@UStrFromPWCharLen][25963]
0064F87B [System.JSON.pas][System.JSON][TJSONByteReader.FlushString][1542]
006525DF [System.JSON.pas][System.JSON][TJSONObject.ParseString][2804]
00651BCC [System.JSON.pas][System.JSON][TJSONObject.ParseValue][2544]
006519AA [System.JSON.pas][System.JSON][TJSONObject.ParsePair][2489]
006517C3 [System.JSON.pas][System.JSON][TJSONObject.Parse][2438]
0065190E [System.JSON.pas][System.JSON][TJSONObject.ParseObject][2468]
00651BEC [System.JSON.pas][System.JSON][TJSONObject.ParseValue][2558]

The block is currently used for an object of class: Unknown

The allocation number is: 1575

--------------------------------2021/1/4 16:43:53--------------------------------
A memory block has been leaked. The size is: 36

This block was allocated by thread 0x1220, and the stack trace (return addresses) at the time was:
00645E0F [uMemory.pas][uMemory][NewAllocMem][73]
004070FD [System.pas][System][@ReallocMem][5022]
0040708E [System.pas][System][@GetMem][4830]
0040801B [System.pas][System][TObject.NewInstance][17514]
004087EA [System.pas][System][@ClassCreate][18867]
00408100 [System.pas][System][TObject.Create][17573]
00467EDE [System.Rtti.pas][System.Rtti][PutArg][8024]
00467DB8 [System.Rtti.pas][System.Rtti][RawInvoke][7914]
004681BC [System.Rtti.pas][System.Rtti][Invoke][8136]
0045EF72 [System.Rtti.pas][System.Rtti][TRttiInstanceMethodEx.DispatchInvoke][6011]
004686E7 [System.Rtti.pas][System.Rtti][TRttiMethod.Invoke][9436]

The block is currently used for an object of class: Unknown

The allocation number is: 1893

--------------------------------2021/1/4 16:43:53--------------------------------
A memory block has been leaked. The size is: 20

This block was allocated by thread 0x1220, and the stack trace (return addresses) at the time was:
00645E0F [uMemory.pas][uMemory][NewAllocMem][73]
004070FD [System.pas][System][@ReallocMem][5022]
0040C51D [System.pas][System][DynArraySetLength][36046]
0040B367 [System.pas][System][@InitializeArray][32446]
00452139 [System.Rtti.pas][System.Rtti][MakeDynamic][2752]
0040B3A9 [System.pas][System][@FinalizeRecord][32627]
0045236E [System.Rtti.pas][System.Rtti][TValue.FromArray][2800]
0065B355 [uDSON.pas][uDSON][TDSONValueReader.readDynArrayValue][307]
0065BC22 [uDSON.pas][uDSON][TDSONValueReader.tryReadValueFromJson][443]
0065B9C1 [uDSON.pas][uDSON][TDSONValueReader.setObjValue][414]
0046034B [System.Rtti.pas][System.Rtti][TRttiInstanceProperty.GetName][6478]

The block is currently used for an object of class: Unknown

The allocation number is: 1916

--------------------------------2021/1/4 16:43:53--------------------------------
This application has leaked memory. The small block leaks are (excluding expected leaks registered by pointer):

13 - 20 bytes: Unknown x 1
21 - 36 bytes: Unknown x 2

Note: Memory leak detail is logged to a text file in the same folder as this application. To disable this memory leak check, undefine "EnableMemoryLeakReporting".