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58 lines
1.9 KiB
ObjectPascal
58 lines
1.9 KiB
ObjectPascal
Program TestStream;
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uses classes;
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Var Stream : TFileStream;
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S,T : String;
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begin
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S:='ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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T:=S;
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Writeln ('Creating stream.');
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Stream:=TFileStream.Create('Test2.dat',fmcreate);
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Writeln ('Initial Size : ',Stream.Size);
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Writeln ('Initial Position : ',Stream.Position);
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Stream.WriteByte (1);
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Stream.WriteWord (2);
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Stream.WriteDWord (3);
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Stream.WriteBuffer (S[1],Length(S));
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Writeln ('Stream Size is : ',Stream.Size);
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Stream.Seek(0,soFromBeginning);
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If Stream.ReadByte<>1 then Writeln ('First byte not 1');
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If Stream.ReadWord<>2 then Writeln ('First word not 2');
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If Stream.ReadDWord<>3 then Writeln ('First DWord not 3');
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If Stream.Read(T[1],Length(S))<>Length(S) then
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Writeln ('Couldn''t read string.');
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Writeln ('Second pass.');
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Stream.WriteByte (1);
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Stream.WriteWord (2);
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Stream.WriteDWord (3);
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Stream.WriteBuffer (S[1],Length(S));
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Writeln ('Stream Size is : ',Stream.Size);
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Writeln ('Stream Position is : ',Stream.Position);
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Writeln ('Freeing stream.');
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Stream.Free;
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Writeln ('Creating stream Read-Only');
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Stream:=TFileStream.Create('Test2.dat',fmOpenRead);
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Writeln ('Stream Size is : ',Stream.Size);
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Stream.Seek(0,soFromBeginning);
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If Stream.ReadByte<>1 then Writeln ('First byte not 1');
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If Stream.ReadWord<>2 then Writeln ('First word not 2');
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If Stream.ReadDWord<>3 then Writeln ('First DWord not 3');
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If Stream.Read(T[1],Length(S))<>Length(S) then
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Writeln ('Couldn''t read string.');
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If Stream.ReadByte<>1 then Writeln ('Second byte not 1');
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If Stream.ReadWord<>2 then Writeln ('Second word not 2');
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If Stream.ReadDWord<>3 then Writeln ('Second DWord not 3');
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If Stream.Read(T[1],Length(S))<>Length(S) then
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Writeln ('Couldn''t read string.');
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Writeln ('Stream Size is : ',Stream.Size);
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Writeln ('Stream Position is : ',Stream.Position);
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Stream.Free;
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end.
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$Log$
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Revision 1.2 2000-07-13 11:33:04 michael
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+ removed logs
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}
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