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program tarray12;
{$mode objfpc}
uses
SysUtils;
procedure PrintArray(a: array of LongInt);
var
i: LongInt;
begin
Writeln('Length: ', Length(a));
Write('Data: ');
for i := Low(a) to High(a) do begin
if i > Low(a) then
Write(', ');
Write(a[i]);
end;
Writeln;
end;
procedure CheckArray(aExpected, aGot: array of LongInt);
var
i: LongInt;
begin
if Length(aExpected) <> Length(aGot) then
Halt(1);
for i := Low(aExpected) to High(aExpected) do begin
if aExpected[i] <> aGot[i] then
Halt(2);
end;
end;
function InitArray(aCount: LongInt): specialize TArray<LongInt>;
var
i: LongInt;
begin
SetLength(Result, aCount);
for i := 0 to aCount - 1 do
Result[i] := i;
end;
type
TTest = class(TInterfacedObject, IInterface)
function _AddRef : longint;{$IFNDEF WINDOWS}cdecl{$ELSE}stdcall{$ENDIF};
function _Release : longint;{$IFNDEF WINDOWS}cdecl{$ELSE}stdcall{$ENDIF};
end;
var
gRefCount: LongInt = 0;
function TTest._AddRef: LongInt; {$IFNDEF WINDOWS}cdecl{$ELSE}stdcall{$ENDIF};
begin
Result := inherited _AddRef;
gRefCount := Result;
end;
function TTest._Release: LongInt; {$IFNDEF WINDOWS}cdecl{$ELSE}stdcall{$ENDIF};
begin
Result := inherited _Release;
gRefCount := Result;
end;
function GetIntf: IInterface;
begin
Result := TTest.Create;
end;
procedure TestIntf;
procedure DoInsert(const aArg1: specialize TArray<IInterface>; var aArg2: specialize TArray<IInterface>);
begin
Insert(aArg1, aArg2, 0);
end;
var
ai1, ai2: specialize TArray<IInterface>;
intf: IInterface;
c: LongInt;
begin
intf := GetIntf;
SetLength(ai1, 1);
c := gRefCount;
ai1[0] := intf;
if c >= gRefCount then
Halt(3);
intf := Nil;
if c <> gRefCount then
Halt(4);
DoInsert(ai1, ai2);
if c >= gRefCount then
Halt(5);
ai1 := Nil;
if gRefCount = 0 then
Halt(6);
ai2 := Nil;
if gRefCount <> 0 then
Halt(7);
end;
var
t, t2: specialize TArray<LongInt>;
t3: array[0..2] of LongInt;
begin
t := Nil;
Insert([1, 3, 5], t, 0);
PrintArray(t);
CheckArray(t, [1, 3, 5]);
t := Nil;
t2 := Nil;
Insert(t2, t, 0);
PrintArray(t);
CheckArray(t, []);
t := Nil;
Insert([], t, 0);
PrintArray(t);
CheckArray(t, []);
t := InitArray(5);
Insert([], t, 0);
PrintArray(t);
CheckArray(t, [0, 1, 2, 3, 4]);
t := InitArray(5);
Insert([1, 3, 5], t, 2);
PrintArray(t);
CheckArray(t, [0, 1, 1, 3, 5, 2, 3, 4]);
t := InitArray(5);
Insert(5, t, 2);
PrintArray(t);
CheckArray(t, [0, 1, 5, 2, 3, 4]);
{ t := InitArray(5);
Insert([1, 3, 5] + [4, 6], t, 2);
PrintArray(t);
CheckArray(t, [0, 1, 1, 3, 5, 4, 6, 2, 3, 4]);}
t := InitArray(5);
Insert([1, 3, 5], t, -1);
PrintArray(t);
CheckArray(t, [1, 3, 5, 0, 1, 2, 3, 4]);
t := InitArray(5);
Insert([1, 3, 5], t, 5);
PrintArray(t);
CheckArray(t, [0, 1, 2, 3, 4, 1, 3, 5]);
t := InitArray(5);
Insert([1, 3, 5], t, 6);
PrintArray(t);
CheckArray(t, [0, 1, 2, 3, 4, 1, 3, 5]);
t2 := specialize TArray<LongInt>.Create(1, 3, 5);
t := InitArray(5);
Insert(t2, t, 1);
PrintArray(t);
CheckArray(t, [0, 1, 3, 5, 1, 2, 3, 4]);
{ support for static arrays is not Delphi compatible, but whatever :) }
t := InitArray(5);
t3[0] := 2;
t3[1] := 4;
t3[2] := 6;
Insert(t3, t, 2);
PrintArray(t);
CheckArray(t, [0, 1, 2, 4, 6, 2, 3, 4]);
TestIntf;
Writeln('Ok');
end.
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