{%MainUnit fpcunit.pp}

{$IFDEF read_interface}

    class procedure Check(pValue: boolean; pMessage: string = '');
    class procedure CheckEquals(expected, actual: extended; msg: string = ''); overload;
    class procedure CheckEquals(expected, actual: string; msg: string = ''); overload;
    class procedure CheckEquals(expected, actual: extended; delta: extended; msg: string = ''); overload;
    class procedure CheckEquals(expected, actual: integer; msg: string = ''); overload;
    class procedure CheckEquals(expected, actual: boolean; msg: string = ''); overload;
    class procedure CheckEquals(expected, actual: TClass; msg: string = ''); overload;
    class procedure CheckNotEquals(expected, actual: string; msg: string = ''); overload;
    class procedure CheckNotEquals(expected, actual: integer; msg: string = ''); overload; virtual;
    class procedure CheckNotEquals(expected, actual: boolean; msg: string = ''); overload; virtual;
    class procedure CheckNotEquals(expected: extended; actual: extended; delta: extended = 0; msg: string = ''); overload; virtual;
    class procedure CheckNull(obj: IUnknown; msg: string = ''); overload;
    class procedure CheckNull(obj: TObject; msg: string = ''); overload;
    class procedure CheckNotNull(obj: TObject; msg: string = ''); overload;
    class procedure CheckNotNull(obj: IUnknown; msg: string = ''); overload; virtual;
    class procedure CheckIs(obj :TObject; pClass: TClass; msg: string = ''); overload;
    class procedure CheckSame(expected, actual: TObject; msg: string = ''); overload;
    class procedure FailNotEquals(expected, actual: string; msg: string = ''; errorAddr: Pointer = nil); virtual;
    class procedure CheckTrue(condition: Boolean; msg: string = '');
    class procedure CheckFalse(condition: Boolean; msg: string = '');
    class procedure CheckException(AMethod: TRunMethod; AExceptionClass: ExceptClass; msg: string = '');
    class function  EqualsErrorMessage(const expected, actual: string; const ErrorMsg: string): string;
    class function  NotEqualsErrorMessage(const expected, actual: string; const ErrorMsg: string): string;

    class function Suite: TTest;


    {
    *** TODO  ***
    procedure CheckEqualsBin(expected, actual: longword; msg: string = ''; digits: integer=32); virtual;
    procedure CheckEqualsHex(expected, actual: longword; msg: string = ''; digits: integer=8); virtual;
    procedure CheckNotEqualsBin(expected, actual: longword; msg: string = ''; digits: integer=32); virtual;
    procedure CheckNotEqualsHex(expected, actual: longword; msg: string = ''; digits: integer=8); virtual;
    procedure CheckNotNull(obj :IUnknown; msg :string = ''); overload; virtual;
    procedure CheckSame(expected, actual: IUnknown; msg: string = ''); overload; virtual;
    procedure CheckException(AMethod: TTestMethod; AExceptionClass: TClass; msg :string = '');
    procedure CheckInherits(expected, actual: TClass; msg: string = ''); overload; virtual;
    }

{$ENDIF read_interface}


{$IFDEF read_implementation}

class procedure TAssert.Check(pValue: boolean; pMessage: string);
begin
  AssertTrue(pMessage, pValue);
end;

class procedure TAssert.CheckEquals(expected, actual: extended; msg: string);
begin
  AssertEquals(msg, expected, actual);
end;

class procedure TAssert.CheckEquals(expected, actual: string; msg: string);
begin
  AssertEquals(msg, expected, actual);
end;

class procedure TAssert.CheckEquals(expected, actual: extended;
  delta: extended; msg: string);
begin
  AssertEquals(msg, expected, actual, delta);
end;

class procedure TAssert.CheckEquals(expected, actual: integer; msg: string);
begin
  AssertEquals(msg, expected, actual);
end;

class procedure TAssert.CheckEquals(expected, actual: boolean; msg: string);
begin
  AssertEquals(msg, expected, actual);
end;

class procedure TAssert.CheckEquals(expected, actual: TClass; msg: string);
begin
  AssertEquals(msg, expected, actual);
end;

class procedure TAssert.CheckNotEquals(expected, actual: string; msg: string);
begin
  if AnsiCompareStr(Expected, Actual) = 0 then
    Fail(msg + ComparisonMsg(Expected, Actual, false));
end;

class procedure TAssert.CheckNotEquals(expected, actual: integer; msg: string);
begin
  if (expected = actual) then
    Fail(msg + ComparisonMsg(IntToStr(expected), IntToStr(actual), false));
end;

class procedure TAssert.CheckNotEquals(expected, actual: boolean; msg: string);
begin
  if (expected = actual) then
    Fail(msg + ComparisonMsg(BoolToStr(expected), BoolToStr(actual), false));
end;

class procedure TAssert.CheckNotEquals(expected: extended; actual: extended;
  delta: extended; msg: string);
begin
  if (abs(expected-actual) <= delta) then
      FailNotEquals(FloatToStr(expected), FloatToStr(actual), msg, nil);
end;

class procedure TAssert.CheckNull(obj: IUnknown; msg: string);
begin
  AssertNullIntf(msg, obj);
end;

class procedure TAssert.CheckNull(obj: TObject; msg: string);
begin
  AssertNull(msg, obj);
end;

class procedure TAssert.CheckNotNull(obj: TObject; msg: string);
begin
  AssertNotNull(msg, obj);
end;

class procedure TAssert.CheckNotNull(obj: IUnknown; msg: string);
begin
  AssertNotNullIntf(msg, obj);
end;

class procedure TAssert.CheckIs(obj: TObject; pClass: TClass; msg: string);
begin
  Assert(pClass <> nil);
  if obj = nil then
    Fail(ComparisonMsg(pClass.ClassName, 'nil'))
  else if not obj.ClassType.InheritsFrom(pClass) then
    Fail(ComparisonMsg(pClass.ClassName, obj.ClassName));
end;

class procedure TAssert.CheckSame(expected, actual: TObject; msg: string);
begin
   AssertSame(msg, expected, actual);
end;

class procedure TAssert.FailNotEquals(expected, actual: string; msg: string;
  errorAddr: Pointer);
begin
  Fail(msg + ComparisonMsg(Expected, Actual));
end;

class procedure TAssert.CheckTrue(condition: Boolean; msg: string);
begin
  if (not condition) then
      FailNotEquals(BoolToStr(true, true), BoolToStr(false, true), msg, nil);
end;

class procedure TAssert.CheckFalse(condition: Boolean; msg: string);
begin
  if (condition) then
      FailNotEquals(BoolToStr(false, true), BoolToStr(true, true), msg, nil);
end;


class procedure TAssert.CheckException(AMethod: TRunMethod; AExceptionClass: ExceptClass; msg: string = '');
begin
  AssertException(msg, AExceptionClass, AMethod);
end;

class function TAssert.EqualsErrorMessage(const expected, actual: string;
    const ErrorMsg: string): string;
begin
  if (ErrorMsg <> '') then
    Result := Format(sMsgActualEqualsExpFmt, [ErrorMsg + ', ', expected, actual])
  else
    Result := Format(sActualEqualsExpFmt, [expected, actual])
end;

class function TAssert.NotEqualsErrorMessage(const expected, actual: string;
    const ErrorMsg: string): string;
begin
  if (ErrorMsg <> '') then
    Result := Format(sExpectedButWasAndMessageFmt, [ErrorMsg, expected, actual])
  else
    Result := Format(sExpectedButWasFmt, [expected, actual]);
end;

class function TAssert.Suite: TTest;
begin
  result := TTestSuite.Create(self);
end;

{$ENDIF read_implementation}