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{                    \
  Delphi DUnit Test Case for the UUtils Unit
  ------------------------------------------

  $Rev$
  $Date$
}

unit TestUUtils;


interface


uses
  // RTL
  SysUtils,
  // DUnit
  TestFramework,
  // Project
  UUtils;

type
  // Test methods for some routines in interface of UUtils
  TTestUtilsRoutines = class(TTestCase)
  strict private
    procedure CheckParseSQLDateError1;
    procedure CheckParseSQLDateError2;
  published
    procedure TestFloatToInt;
    procedure TestIsBaseFileName;
    procedure TestIsHexDigit;
    procedure TestIsValidDriveLetter;
    procedure TestParseSQLDateTime;
    procedure TestURIBaseName;
    procedure TestTryStrToCardinal;
    procedure TestTryStrToWord;
  end;


implementation


uses
  // RTL
  DateUtils;


{ TTestUtilsRoutines }

procedure TTestUtilsRoutines.CheckParseSQLDateError1;
begin
  ParseSQLDateTime('1234-13-00 00:00:00');
end;

procedure TTestUtilsRoutines.CheckParseSQLDateError2;
begin
  ParseSQLDateTime('1970-01-01 26:00:00');
end;

procedure TTestUtilsRoutines.TestFloatToInt;
begin
  CheckEquals(42, FloatToInt(42.0), 'Test 1');
  CheckEquals(42, FloatToInt(41.9999999), 'Test 2');
  CheckEquals(42, FloatToInt(42.0000001), 'Test 3');
  CheckEquals(42, FloatToInt(41.5), 'Test 4');
  CheckEquals(41, FloatToInt(41.4999999), 'Test 5');
  CheckEquals(-42, FloatToInt(-42.0), 'Test 6');
  CheckEquals(-42, FloatToInt(-41.9999999), 'Test 7');
  CheckEquals(-42, FloatToInt(-42.0000001), 'Test 8');
  CheckEquals(-42, FloatToInt(-41.5), 'Test 9');
  CheckEquals(-41, FloatToInt(-41.4999999), 'Test 10');
  CheckEquals(0, FloatToInt(0.0), 'Test 11');
  CheckEquals(0, FloatToInt(0.4999999), 'Test 12');
  CheckEquals(1, FloatToInt(0.5), 'Test 13');
  CheckEquals(0, FloatToInt(-0.2), 'Test 14');
  CheckEquals(0, FloatToInt(-0.4999999), 'Test 15');
  CheckEquals(-1, FloatToInt(-0.5), 'Test 16');
  CheckEquals(-1, FloatToInt(-1.499999), 'Test 17');
  CheckEquals(1234567, FloatToInt(1234566.5), 'Test 18');
  CheckEquals(1234566, FloatToInt(1234566.499999), 'Test 19');
  CheckEquals(-1234567, FloatToInt(-1234566.5), 'Test 20');
  CheckEquals(-1234566, FloatToInt(-1234566.499999), 'Test 21');
  CheckEquals(-1234567, FloatToInt(-1234567.0), 'Test 22');
  CheckEquals(1234568, FloatToInt(1234567.5), 'Test 23');
  CheckEquals(1234567, FloatToInt(1234567.499999), 'Test 24');
  CheckEquals(-1234567, FloatToInt(-1234567.499999), 'Test 25');
  CheckEquals(-1234568, FloatToInt(-1234567.5), 'Test 26');
end;

procedure TTestUtilsRoutines.TestIsBaseFileName;
begin
  CheckTrue(IsBaseFileName('Foo'), 'Test 1');
  CheckTrue(IsBaseFileName('Foo.bar'), 'Test 2');
  CheckTrue(IsBaseFileName('Foo.bar.txt'), 'Test 3');
  CheckFalse(IsBaseFileName('C:\Foo.bar'), 'Test4');
  CheckFalse(IsBaseFileName('C:\Foo\Bar.txt'), 'Test5');
  CheckFalse(IsBaseFileName('Foo\Bar'), 'Test 6');
  CheckFalse(IsBaseFileName('Foo\Bar.txt'), 'Test 7');
  CheckFalse(IsBaseFileName('\\Foo\Bar\42.txt'), 'Test 8');
  CheckFalse(IsBaseFileName(''), 'Test 9');
end;

procedure TTestUtilsRoutines.TestIsHexDigit;
const
  GoodChars = '1234567890ABCDEFabcdef';
  BadChars = 'ghijklmnopqrstuvwxyzGHIJKLMNOPQRSTUVWXYZ |-_=+][{}@:><'#13#10#0#9;
var
  Idx: Integer;
begin
  for Idx := 1 to Length(GoodChars) do
    CheckTrue(IsHexDigit(GoodChars[Idx]), 'Good Test ' + IntToStr(Idx));
  for Idx := 1 to Length(BadChars) do
    CheckFalse(IsHexDigit(BadChars[Idx]), 'Bad Test ' + IntToStr(Idx));
end;

procedure TTestUtilsRoutines.TestIsValidDriveLetter;
const
  GoodChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
  BadChars = '1234567890 |-_=+][{}@:><'#13#10#0#9;
var
  Idx: Integer;
begin
  for Idx := 1 to Length(GoodChars) do
    CheckTrue(IsValidDriveLetter(GoodChars[Idx]), 'Good Test ' + IntToStr(Idx));
  for Idx := 1 to Length(BadChars) do
    CheckFalse(IsValidDriveLetter(BadChars[Idx]), 'Bad Test ' + IntToStr(Idx));
end;

procedure TTestUtilsRoutines.TestParseSQLDateTime;
var
  Actual, Expected: TDateTime;
begin
  Expected := EncodeDateTime(2012, 3, 27, 13, 42, 1, 0);
  Actual := ParseSQLDateTime('2012-03-27 13:42:01');
  CheckTrue(
    SameDateTime(Expected, Actual),
    Format(
      'Test 0: Expected <%s>, Actual <%s>',
      [FormatDateTime('c', Expected), FormatDateTime('c', Actual)]
    )
  );
  Expected := EncodeDateTime(1970, 1, 1, 0, 0, 0, 0);
  Actual := ParseSQLDateTime('1970-01-01 00:00:00');
  CheckTrue(
    SameDateTime(Expected, Actual),
    Format(
      'Test 1: Expected <%s>, Actual <%s>',
      [FormatDateTime('c', Expected), FormatDateTime('c', Actual)]
    )
  );
  CheckException(CheckParseSQLDateError1, EConvertError, 'Test except 1');
  CheckException(CheckParseSQLDateError2, EConvertError, 'Test except 1');
end;

procedure TTestUtilsRoutines.TestTryStrToCardinal;
var
  V: Cardinal;
  I: Int64;
  S: string;
begin
  CheckTrue(TryStrToCardinal('42', V), 'Test 1a');
  CheckEquals(42, V, 'Test 1b');
  CheckTrue(TryStrToCardinal('$F', V), 'Test 2a');
  CheckEquals($F, V, 'Test 2b');
  CheckFalse(TryStrToCardinal('', V), 'Test 3');
  CheckFalse(TryStrToCardinal('z42', V), 'Test 4');
  CheckFalse(TryStrToCardinal('42.5', V), 'Test 5');
  CheckFalse(TryStrToCardinal('42z', V), 'Test 6');
  CheckTrue(TryStrToCardinal('0', V), 'Test 7a');
  CheckEquals(0, V, 'Test 7b');
  I := Int64(High(Cardinal));
  S := IntToStr(I);
  CheckTrue(TryStrToCardinal(S, V), 'Test 8a');
  CheckEquals(I, V, 'Test 8b');
  CheckFalse(TryStrToCardinal('-1', V), 'Test 9');
  I := Int64(High(Cardinal)) + 1;
  S := IntToStr(I);
  CheckFalse(TryStrToCardinal(S, V), 'Test 10');
  CheckTrue(TryStrToCardinal('x10', V), 'Test 11a');
  CheckEquals($10, V, 'Test 11b');
  CheckTrue(TryStrToCardinal('0xFFFF', V), 'Test 12a');
  CheckEquals($FFFF, V, 'Test 12b');
end;

procedure TTestUtilsRoutines.TestTryStrToWord;
var
  V: Word;
  I: Integer;
  S: string;
begin
  CheckTrue(TryStrToWord('42', V), 'Test 1a');
  CheckEquals(42, V, 'Test 1b');
  CheckTrue(TryStrToWord('$F', V), 'Test 2a');
  CheckEquals($F, V, 'Test 2b');
  CheckFalse(TryStrToWord('', V), 'Test 3');
  CheckFalse(TryStrToWord('z42', V), 'Test 4');
  CheckFalse(TryStrToWord('42.5', V), 'Test 5');
  CheckFalse(TryStrToWord('42z', V), 'Test 6');
  CheckTrue(TryStrToWord('0', V), 'Test 7a');
  CheckEquals(0, V, 'Test 7b');
  I := Integer(High(Word));
  S := IntToStr(I);
  CheckTrue(TryStrToWord(S, V), 'Test 8a');
  CheckEquals(I, V, 'Test 8b');
  CheckFalse(TryStrToWord('-1', V), 'Test 9');
  I := Integer(High(Word)) + 1;
  S := IntToStr(I);
  CheckFalse(TryStrToWord(S, V), 'Test 10');
  CheckTrue(TryStrToWord('x10', V), 'Test 11a');
  CheckEquals($10, V, 'Test 11b');
  CheckTrue(TryStrToWord('0xFFFF', V), 'Test 12a');
  CheckEquals($FFFF, V, 'Test 12b');
  CheckFalse(TryStrToWord('0xFFFFF', V), 'Test 13');
end;

procedure TTestUtilsRoutines.TestURIBaseName;
begin
  CheckEquals('', URIBaseName(''), 'Test 1');
  CheckEquals('foo', URIBaseName('foo'), 'Test 2');
  CheckEquals('', URIBaseName('foo/'), 'Test 3');
  CheckEquals('bar', URIBaseName('foo/bar'), 'Test 4');
  CheckEquals(
    'swag.php',
    URIBaseName('http://www.delphidabbler.com/swag.php'),
    'Test 5'
  );
  CheckEquals(
    'bar',
    URIBaseName('http://www.delphidabbler.com/foo/bar'),
    'Test 6'
  );
end;

initialization
  // Register any test cases with the test runner
  RegisterTest(TTestUtilsRoutines.Suite);
end.