paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-04-09 00:08:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

* removed explicit refcounting checks and replaced with memory leak check

Browse Source 
git-svn-id: trunk@8388 -
This commit is contained in:
Jonas Maebe 2007-09-06 11:08:22 +00:00
parent 48980ccbe8
commit f70894607f
1 changed files with 2 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
tests/webtbs/tw2911.pp
View File

@ -1,4 +1,5 @@
{ %version=1.1 }
{ %opt=-gh }
{ Source provided for Free Pascal Bug Report 2911 }
{ Submitted by "Chris Hilder" on 2004-01-19 }
@ -20,53 +21,21 @@ var
twostring : string;
ARecordWithStrings : RecordWithStrings;
procedure RefCount(const s : string;expect:longint);
type
PLongint = ^Longint;
var
P : psizeint;
rc : longint;
begin
P := psizeint(s);
rc:=0;
if (p = nil)
then writeln('Nil string.')
else
{$ifdef fpc}
{$if defined(ver1_0) or defined(ver1_9_4)}
rc:=(p-1)^;
{$else}
rc:=psizeint(pchar(p)-sizeof(sizeint)*2)^;
{$endif}
{$else}
rc:=psizeint(pchar(p)-sizeof(sizeint)*2)^;
{$endif}
writeln('Ref count is ',rc,' expected ',expect);
if rc<>expect then
halt(1);
end;
function FunctionResultIsRecord(a : RecordWithStrings) : RecordWithStrings;
begin
result := a;
end;
begin
HaltOnNotReleased := true;
onestring := 'one';
twostring := 'two';
ARecordWithStrings.one := onestring + twostring;
twostring := onestring + twostring;
RefCount(ARecordWithStrings.one,1);
{ Here we allocate a temp so refcount will be 2 }
ARecordWithStrings := FunctionResultIsRecord(ARecordWithStrings);
twostring := onestring + twostring;
RefCount(ARecordWithStrings.one,2);
{ Temp is reused, refcount should stay 2 }
ARecordWithStrings := FunctionResultIsRecord(ARecordWithStrings);
twostring := onestring + twostring;
RefCount(ARecordWithStrings.one,2);
{ Temp is reused, refcount should stay 2 }
ARecordWithStrings := FunctionResultIsRecord(ARecordWithStrings);
twostring := onestring + twostring;
RefCount(ARecordWithStrings.one,2);
end.