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unit TestBasics;
{$IFDEF FPC}
{$mode objfpc}{$H+}
{$ENDIF}
interface
uses
fpcunit, testutils, testregistry, testdecorator, Classes, SysUtils;
type
{ TTestBasics }
TTestBasics = class(TTestCase)
private
procedure DeleteUserXmlFile;
protected
published
procedure TestSimpleWinRegistry;
procedure TestDoubleWrite;
procedure bug16395;
procedure TestAdv;
end;
implementation
uses
registry
{$ifdef windows}
, tregistry2
{$endif windows}
;
{ TTestBasics }
procedure TTestBasics.DeleteUserXmlFile;
{$ifndef windows}
var
fn: string;
{$endif}
begin
{$ifdef windows}
with TRegistry.Create do
try
DeleteKey('FirstNode');
finally
Free;
end;
{$else}
FN:=includetrailingpathdelimiter(GetAppConfigDir(False))+'reg.xml';
if FileExists(FN) then
AssertTrue(DeleteFile(FN));
{$endif}
end;
procedure TTestBasics.TestSimpleWinRegistry;
var
Registry : TRegistry;
begin
Registry := TRegistry.Create(KEY_READ);
Registry.RootKey:=HKEY_LOCAL_MACHINE;
// use a hopefully non existing key
AssertFalse(Registry.KeyExists('FPC1234'));
{$ifdef windows}
AssertTrue(Registry.KeyExists('SOFTWARE'));
{$endif}
Registry.Free;
end;
procedure TTestBasics.TestDoubleWrite;
begin
DeleteUserXmlFile;
with TRegistry.Create do
try
OpenKey('FirstNode', true);
WriteString('LAYOUT', '');
CloseKey;
finally
Free;
end;
with TRegistry.Create do
try
OpenKey('FirstNode', true);
WriteString('LAYOUT', '');
CloseKey;
finally
Free;
end;
DeleteUserXmlFile;
end;
procedure TTestBasics.bug16395;
var
r: TRegistry;
s,t: string;
begin
DeleteUserXmlFile;
r := TRegistry.Create;
try
r.RootKey := HKEY_CURRENT_USER;
r.OpenKey('FirstNode', true);
r.WriteString('string1', '');
r.CloseKey;
finally
r.Free;
end;
// verify that empty value can be changed to non-empty one
r := TRegistry.Create;
try
r.RootKey := HKEY_CURRENT_USER;
r.OpenKey('FirstNode',false);
s := r.ReadString('string1');
AssertEquals('Failed to read back an empty string', '', s);
r.WriteString('string1', 'string_value_1');
r.CloseKey;
finally
r.Free;
end;
// verify that non-empty value can be changed to empty one
r := TRegistry.Create;
try
r.RootKey := HKEY_CURRENT_USER;
r.OpenKey('FirstNode',false);
s := r.ReadString('string1');
AssertEquals('Failed chaning empty string value to non-empty one', 'string_value_1',s);
r.WriteString('string1', '');
r.CloseKey;
finally
r.Free;
end;
r := TRegistry.Create;
try
r.RootKey := HKEY_CURRENT_USER;
r.OpenKey('FirstNode',false);
s := r.ReadString('string1');
AssertEquals('Failed changing non-empty string value to empty one', '', s);
r.CloseKey;
finally
r.Free;
end;
r := TRegistry.Create;
try
r.RootKey := HKEY_CURRENT_USER;
r.OpenKey('LongNode',true);
t:=StringOfChar('*',4000);
r.WriteString('LongString',T);
s := r.ReadString('LongString');
AssertEquals('Writing long string works OK', t, s);
r.CloseKey;
finally
r.Free;
end;
DeleteUserXmlFile;
end;
procedure TTestBasics.TestAdv;
begin
{$ifdef windows}
DoRegTest2;
{$endif windows}
end;
initialization
RegisterTest(TTestBasics);
end.
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