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unit Test12;
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{$mode objfpc}{$H+}
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{$codepage UTF8}
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interface
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{ Test 12: Character Sets
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This test creates strings in a database with various code pages and then
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reads them back with different connection character sets. The result is
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displayed as hex strings so that the actual encoding can be checked in
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each case.
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}
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uses
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Classes, SysUtils, TestManager, IB;
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type
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{ TTest12 }
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TTest12 = class(TTestBase)
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private
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procedure UpdateDatabase(Attachment: IAttachment);
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procedure QueryDatabase(Attachment: IAttachment);
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public
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function TestTitle: string; override;
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procedure RunTest(CharSet: string; SQLDialect: integer); override;
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end;
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implementation
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const
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sqlCreateTable =
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'Create Table TestData ('+
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'RowID Integer not null,'+
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'Title VarChar(32) Character Set UTF8,'+
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'Notes VarChar(64) Character Set ISO8859_1,'+
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'BlobData Blob sub_type 1 Character Set WIN1252, '+
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'BlobData2 Blob sub_type 1 Character Set UTF8, '+
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'InClear VarChar(16) Character Set NONE, '+
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'Primary Key(RowID)'+
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')';
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sqlGetCharSets = 'Select RDB$CHARACTER_SET_NAME,RDB$CHARACTER_SET_ID from RDB$CHARACTER_SETS order by 2';
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sqlInsert = 'Insert into TestData(RowID,Title,Notes, BlobData,BlobData2,InClear) Values(:RowID,:Title,:Notes,:BlobData,:BlobData2,:InClear)';
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{ TTest12 }
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procedure TTest12.UpdateDatabase(Attachment: IAttachment);
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var Transaction: ITransaction;
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Statement: IStatement;
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begin
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Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taCommit);
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Statement := Attachment.PrepareWithNamedParameters(Transaction,sqlInsert);
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ParamInfo(Statement.SQLParams);
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with Statement.GetSQLParams do
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begin
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ByName('rowid').AsInteger := 1;
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ByName('title').AsString := 'Blob Test ©€';
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ByName('Notes').AsString := 'Écoute moi';
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ByName('BlobData').AsString := 'Some German Special Characters like ÖÄÜöäüß';
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ByName('BlobData2').AsBlob := Attachment.CreateBlob(Transaction,'TestData','BlobData').SetString('Some German Special Characters like ÖÄÜöäüß');
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ByName('InClear').AsString := #$01'Test'#$0D#$C3;
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end;
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Statement.Execute;
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end;
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procedure TTest12.QueryDatabase(Attachment: IAttachment);
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var Transaction: ITransaction;
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Statement: IStatement;
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ResultSet: IResultSet;
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begin
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Transaction := Attachment.StartTransaction([isc_tpb_write,isc_tpb_nowait,isc_tpb_concurrency],taCommit);
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Statement := Attachment.Prepare(Transaction,'Select * from TestData');
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ReportResults(Statement);
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end;
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function TTest12.TestTitle: string;
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begin
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Result := 'Test 12: Character Sets';
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end;
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procedure TTest12.RunTest(CharSet: string; SQLDialect: integer);
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var DPB: IDPB;
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Attachment: IAttachment;
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begin
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FHexStrings := true;
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DPB := FirebirdAPI.AllocateDPB;
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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName);
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword);
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DPB.Add(isc_dpb_lc_ctype).setAsString('UTF8');
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DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect);
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Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB);
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Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateTable);
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UpdateDatabase(Attachment);
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writeln(OutFile,'Connection Character Set UTF8');
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{Query with UTF8}
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QueryDatabase(Attachment);
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Attachment.Disconnect;
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writeln(OutFile,'Connection Character Set NONE');
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{Query with No character set}
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DPB := FirebirdAPI.AllocateDPB;
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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName);
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword);
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DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect);
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetNewDatabaseName,DPB);
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QueryDatabase(Attachment);
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Attachment.Disconnect;
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writeln(OutFile,'Connection Character Set WIN1252');
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{Query with WIN1252}
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DPB := FirebirdAPI.AllocateDPB;
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DPB.Add(isc_dpb_user_name).setAsString(Owner.GetUserName);
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DPB.Add(isc_dpb_password).setAsString(Owner.GetPassword);
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DPB.Add(isc_dpb_lc_ctype).setAsString('WIN1252');
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DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(SQLDialect);
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Attachment := FirebirdAPI.OpenDatabase(Owner.GetNewDatabaseName,DPB);
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QueryDatabase(Attachment);
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Attachment.DropDatabase;
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end;
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initialization
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RegisterTest(TTest12);
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end.
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