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fpc/tests/test/tstring6.pp

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{ %VERSION=1.1 }
Program widetest;
uses
erroru;
{ -------------------------------------------------------------------
General stuff
------------------------------------------------------------------- }
Procedure DoRef (P : Pointer);
Type PLongint = ^Longint;
begin
If P=Nil then
Writeln ('(Ref : Empty string)')
else
begin
{$ifdef fpc}
{$if defined(ver1_0) or defined(ver1_9_4)}
Writeln (' (Ref: ',Plongint(Longint(P)-4)^,',Len: ',PLongint(Longint(P)-8)^,')');
{$else}
Writeln (' (Ref: ',PSizeInt(PtrInt(P)-sizeof(SizeInt)*2)^,',Len: ',PSizeInt(PtrInt(P)-sizeof(SizeInt))^,')');
{$endif}
{$else}
Writeln (' (Ref: ',Plongint(Longint(P)-8)^,',Len: ',PLongint(Longint(P)-4)^ div sizeof(WideChar),')');
{$endif}
end;
end;
{ -------------------------------------------------------------------
Initialize/Finalize test
------------------------------------------------------------------- }
Procedure TestInitFinal;
Type ARec = record
FirstName, LastName : WideString;
end;
AnArray = Array [1..10] of WideString;
Var
S : WideString;
AR : Arec;
AAR : AnArray;
I : longint;
Begin
S:='This is an WideString!';
If Pointer(AR.FirstNAme)<>Nil then
Writeln ('AR.FirstName not OK');
If Pointer(AR.LastName)<>Nil then
Writeln ('AR.LastName not OK');
for I:=1 to 10 do
If Pointer(AAR[I])<>Nil then
Writeln ('Array (',I,') NOT ok');
AR.FirstName:='Napoleon';
AR.LastName:='Bonaparte';
For I:=1 to 10 do
AAR[I]:='Yet another WideString';
Writeln ('S : ',S);
Writeln (AR.FirstName, ' ', AR.LastName);
For I:=1 to 10 do
Writeln (I:2,' : ',AAR[i]);
end;
{ -------------------------------------------------------------------
Parameter passing test
------------------------------------------------------------------- }
Procedure TestVarParam (Var Sv : WideString);
Var LS : WideString;
begin
Write ('TestVarParam : Got S="',Sv,'"');
DoRef(Pointer(Sv));
Sv:='This is a var parameter WideString';
Write ('S Changed to : ',Sv);
DoRef (Pointer(Sv));
Ls:=Sv;
Write ('Assigned to local var: "',ls,'"');
DoRef (Pointer(Sv));
end;
Procedure TestValParam (S : WideString);
Var LS : WideString;
begin
Write ('TestValParam : Got S="',S,'"');
S:='This is a value parameter WideString';
Write ('S Changed to : ',S);
DoRef(Pointer(S));
Ls:=S;
Write ('Assigned to local var: "',ls,'"');
DoRef(Pointer(S));
end;
Procedure TestConstParam (Const Sc : WideString);
Var LS : WideString;
begin
Write ('TestConstParam : Got S="',Sc,'"');
DoRef(Pointer(Sc));
Ls:=Sc;
Write ('Assigned to local var: "',ls,'"');
DoRef(Pointer(Sc));
end;
Procedure TestParams;
Var S : WideString;
Mem : SizeUInt;
begin
Mem:=0;
DoMem(Mem);
S :='This is another WideString';
Writeln ('Calling testvalparam with "',s,'"');
testvalparam (s);
DoMem(Mem);
Writeln ('Calling testConstparam with "',s,'"');
testconstparam (s);
DoMem(Mem);
Writeln ('Calling testvarparam with "',s,'"');
testvarparam (s);
Writeln ('TestVarParam returned with "',S,'"');
DoMem(Mem);
end;
{ -------------------------------------------------------------------
Comparision operators test
------------------------------------------------------------------- }
Procedure TestCompare;
Const S1 : WideString = 'Teststring 1';
S2 : WideString = 'Teststring 1';
S3 : WideString = 'Teststring 2';
S4 : WideString = '';
PC : Pchar = 'Teststring 1';
Var S,T : WideString;
ss : Shortstring;
begin
If S1=S2 then writeln ('S1 and S2 are the same');
If S4='' then Writeln ('S4 is empty. OK');
If Not(S4='Non-empty') then writeln ('S4 is not non-empty');
if S3='Teststring 2' then writeln('S3 equals "Teststring 2". OK.');
Write ('S3<>S2 : ');
If S2<>S3 Then writeln ('OK') else writeln ('NOT OK');
Write ('S3>S2 : ');
If (S3>S2) Then Writeln ('OK') else writeln ('NOT OK');
Write ('S1<S3 : ');
if (S1<S3) Then writeln ('OK') else writeln ('NOT OK');
S:=S2;
T:=S;
Write ('Assigned S to T. ');Doref(Pointer(T));
If S=T then Writeln ('S=T, OK');
SS:='Teststring 1';
If SS=S then
Writeln ('Shortstring and WideString are the same. OK')
else
Writeln ('Shortstring and WideString NOT equal. PROBLEM !');
If S=PC then
Writeln ('Pchar and WideString are the same. OK')
else
Writeln ('Pchar and WideString NOT equal. PROBLEM !');
end;
{ -------------------------------------------------------------------
Type conversion test
------------------------------------------------------------------- }
Procedure DoPchar (P : Pchar);
begin
Writeln ('DoPchar : Got : "',P,'"');
end;
Procedure TestConversion;
Var Pstr : Pchar;
Sstr : String[40];
Astr : WideString;
Const PC : Pchar = 'A PCHAR constant string';
begin
Writeln ('Astr empty : "',Astr,'"');
Pstr:=PChar(Astr);
Writeln ('WideString Assigned to Pchar : "',Pstr,'"');
DoPchar(Pchar(Astr));
Astr:='An WideString';
Writeln ('Astr: "',Astr,'"');
Pstr:=PChar(Astr);
Writeln ('WideString Assigned to Pchar : "',Pstr,'"');
DoPchar(Pchar(Astr));
SStr:='A ShortString';
Writeln ('Shortstring : "',Sstr,'"');
Astr:=Sstr;
Write ('ShortString assigned to WideString : "',Astr,'"');
DoRef(Pointer(Astr));
Astr:=PC;
Write ('PChar assigned to WideString : "',Astr,'"');
DoRef(Pointer(Astr));
end;
{ -------------------------------------------------------------------
Adding of strings test.
------------------------------------------------------------------- }
Procedure TestAdd;
Const S1 : WideString = 'This is WideString 1 ';
S2 : WideString = 'This is WideString 2 ';
S3 : WideString = 'This is WideString 3';
Var S : WideString;
S4 : String;
begin
S:=S1+S2;
//!! Reference count is 2, should be 1...
Write ('Adding S1+S2 : ',S,' '); DoRef(Pointer(S));
S:=S1+S2+S3;
Write ('Adding S1+S2+S3 : ',S,' '); DoRef(Pointer(S));
S:=S+'...Added tail';
Write ('Added tail to S ! : ',S);DoRef(Pointer(S));
S4:=' This is a shortstring';
//!! This crashes the program...
S:=S1+S4;
Write ('Adding S1+S4 : ',S,' '); DoRef(Pointer(S));
S:=S1+'@';
Write ('Adding S1+''@'' : ',S,' '); DoRef(Pointer(S));
end;
{ -------------------------------------------------------------------
SetLength test.
------------------------------------------------------------------- }
Procedure TestSetlength;
Const S1 : WideString = 'This is WideString 1';
S2 : WideString = 'This is WideString 2 and it is longer';
Var S : WideString;
begin
Setlength(S,length(S1));
Write ('Set length of s to ',length(s1));Doref(pointer(s));
Move (Pointer(S1)^,Pointer(S)^,(Length(S1)+1)*sizeof(WideChar));
Write ('S = "',S,'" '); DoRef(Pointer(S));
Setlength(S,length(S2));
Write ('Set length of s to ',length(s2));Doref(pointer(s));
Move (Pointer(S2)^,Pointer(S)^,(Length(S2)+1)*sizeof(WideChar));
Write ('S = "',S,'" '); DoRef(Pointer(S));
SetLength(S,10);
Write ('Set length of s to 10 ');Doref(pointer(s));
Write ('S = "',S,'" '); DoRef(Pointer(S));
SetLength(S,0);
Write ('Set length of S to 0 ');Doref(Pointer(S));
Write ('S = "',S,'" ');Doref(Pointer(s));
end;
{ -------------------------------------------------------------------
Index test.
------------------------------------------------------------------- }
Procedure testIndex;
Var S,T : WideString;
I,Len : longint;
begin
S:='ABCDEFGHIJKLMNOPQRSTUVWXYZ';
Write ('S = "',S,'" ');doref(pointer(S));
Write ('S = "');
Len:=Length(S);
For I:=1 to Len do
Write(S[i]);
write ('" ');Doref(pointer(S));
Write ('Inverting S, ');
For I:=1 to Len do
S[i]:='A';
// Asc(Ord('Z')+1-i);
Write ('S = "',S,'" ');doref(pointer(S));
T:=S;
Write ('Assigned S to T '); Doref(Pointer(S));
Write ('Again inverting S. ');
For I:=1 to Len do
S[i]:='B';
Write ('S = "',S,'" ');doref(pointer(S));
Write ('T = "',T,'" ');doref(pointer(T));
end;
{ -------------------------------------------------------------------
Adding in expressions test.
------------------------------------------------------------------- }
Procedure TestAddExpr;
Const S1 : WideString = 'ABC';
S2 : WideString = 'DEF';
OK = 'OK';
NOK = 'NOK';
Var I : Integer;
S3 : WideString;
mem : SizeUInt;
begin
mem:=0;
DoMem(Mem);
S3 := 'ABCDEF';
Write ('S1+S2=S3 :');
If S1+S2=S3 then writeln (ok) else writeln (nok);
Write ('S1+S2=ABCDEF');
If S1+S2='ABCDEF' then writeln (ok) else writeln (nok);
Write ('Testing repeat');
I:=0;
S3:='';
Repeat
Inc(i);
If I=10 then s3:='ABCDEF';
until S1+S2=S3;
Writeln (' Done.');
I:=2;
S3:='';
Write ('Testing While');
While S1+S2<>S3 do
begin
INc(i);
If I=10 then s3:='ABCDEF';
end;
Writeln (' Done');
end;
Procedure TestStdFunc;
Var S,T : WideString;
SS : ShortString;
C : Char;
Ca : Cardinal;
L : longint;
I : Integer;
W : Word;
B : Byte;
R : Real;
D : Double;
E : Extended;
Si : Single;
Co : Comp;
TempMem:SizeUInt;
begin
TempMem:=0;
DoMem(TempMem);
S:='ABCDEF';
Write ('S = "',S,'"');Doref(Pointer(S));
T:=Copy(S,1,3);
Write ('T : "',T,'"');DoRef(Pointer(T));
T:=Copy(S,3,3);
Write ('T : "',T,'"');DoRef(Pointer(T));
T:=Copy(S,3,6);
Write ('T : "',T,'"');DoRef(Pointer(T));
Writeln ('Inserting "123" in S at pos 4');
Insert ('123',S,4);
Write ('S = "',S,'"');DoRef(Pointer(S));
Writeln ('Deleting 3 characters From S starting Pos 4');
Delete (S,4,3);
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('Pos ''DE'' in S is : ',Pos('DE',S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('Setting T to ''DE''.');
T:='DE';
//!! Here something weird is happening ? S is lost ???
Writeln('***');
Writeln ('Pos T in S is : ',Pos(T,S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('Setting T to ''D''.');
T:='D';
Writeln ('Pos T in S is : ',Pos(T,S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('Setting T to ''DA''.');
T:='DA';
Writeln ('Pos T in S is : ',Pos(T,S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('SS:=''DE''');
Writeln('***');
SS:='DE';
Writeln ('Pos SS in S is : ',Pos(SS,S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('C:=''D''');
C:='D';
Writeln ('Pos C in S is : ',Pos(C,S));
Write ('S = "',S,'"');Doref(Pointer(S));
Writeln ('Pos ''D'' in S is : ',Pos('D',S));
Write ('S = "',S,'"');Doref(Pointer(S));
Write ('str(Ca,S)= ');
ca:=1;
str(Ca,S);
Writeln (S);
Write ('str(L,S)= ');
L:=2;
str(L,S);
Writeln (S);
Write ('str(I,S)= ');
I:=3;
str(I,S);
Writeln (S);
Write ('str(W,S)= ');
W:=4;
str(W,S);
Writeln (S);
Write ('str(R,S)= ');
R:=1.0;
str(R,S);
Writeln (S);
Write ('str(D,S)= ');
D:=2.0;
str(D,S);
Writeln (S);
Write ('str(E,S)= ');
E:=3.0;
str(E,S);
Writeln (S);
Write ('str(Co,S)= ');
{$ifdef cpui386}
Co:=4.0;
{$else cpui386}
Co := 4;
{$endif cpui386}
str(Co,S);
Writeln (S);
Write ('str(Si,S)= ');
Si:=5.0;
str(Si,S);
Writeln (S);
end;
Var GlobalStartMem,StartMem : SizeUInt;
begin
GlobalStartMem:=0;
StartMem:=0;
DoMem(GlobalStartMem);
DoMem(StartMem);
Writeln ('Testing Initialize/Finalize.');
TestInitFinal;
Write ('End of Initialize/finalize test : ');DoMem(StartMem);
Writeln;Writeln ('Testing parameter passing.');
TestParams;
Write ('End of Parameter passing test : ');DoMem(StartMem);
Writeln;Writeln ('Testing comparision operators');
TestCompare;
Write ('End of compare test : ');DoMem(StartMem);
Writeln;Writeln ('Testing setlength of WideStrings');
TestSetLength;
Write ('End of setlength test : ');DoMem(StartMem);
Writeln;Writeln ('Testing Adding of WideStrings');
TestAdd;
Write ('End of adding test : ');DoMem(StartMem);
Writeln;Writeln ('Testing Adding of WideStrings in expressions');
TestAddExpr;
Write ('End of adding in expressions test : ');DoMem(StartMem);
Writeln;Writeln ('Testing type conversion.');
// TestConversion;
Write ('End of typeconversion test : ');DoMem(StartMem);
Writeln;Writeln ('Testing indexed access.');
TestIndex;
Write ('End of index access test : ');DoMem(StartMem);
Writeln;Writeln ('Testing standard functions.');
TestStdfunc;
Write ('End of standard functions: ');DoMem(StartMem);
Write ('For the whole program ');DoMem(GlobalStartMem);
end.
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