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+program ttyped;
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+
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+Type
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+ TRec = record
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+ X,Y : longint;
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+ end;
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+
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+ TRecFile = File of TRec;
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+
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+var TF : TRecFile;
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+ LF : File of longint;
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+ i,j,k,l : longint;
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+ t : Trec;
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+
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+begin
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+ Write ('Writing files...');
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+ assign (LF,'longint.dat');
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+ rewrite (LF);
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+ for i:=1 to 10 do
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+ write (LF,i);
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+ close (LF);
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+ Assign (TF,'TRec.dat');
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+ rewrite (TF);
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+ for i:=1 to 10 do
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+ for j:=1 to 10 do
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+ begin
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+ t.x:=i;
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+ t.y:=j;
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+ write (TF,T);
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+ end;
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+ close (TF);
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+ writeln ('Done');
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+ reset (LF);
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+ reset (TF);
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+ Write ('Sequential read test...');
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+ for i:=1 to 10 do
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+ begin
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+ read (LF,J);
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+ if j<>i then writeln ('Read of longint failed at :',i);
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+ end;
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+ for i:=1 to 10 do
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+ for j:=1 to 10 do
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+ begin
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+ read (tf,t);
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+ if (t.x<>i) or (t.y<>j) then
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+ writeln ('Read of record failed at :',i,',',j);
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+ end;
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+ writeln ('Done.');
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+ Write ('Random access read test...');
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+ For i:=1 to 10 do
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+ begin
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+ k:=random(10);
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+ seek (lf,k);
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+ read (lf,j);
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+ if j<>k+1 then
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+ Writeln ('Failed random read of longint at pos ',k,' : ',j);
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+ end;
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+ For i:=1 to 10 do
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+ for j:=1 to 10 do
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+ begin
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+ k:=random(10);
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+ l:=random(10);
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+ seek (tf,k*10+l);
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+ read (tf,t);
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+ if (t.x<>k+1) or (t.y<>l+1) then
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+ Writeln ('Failed random read of longint at pos ',k,',',l,' : ',t.x,',',t.y);
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+ end;
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+ Writeln ('Done.');
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+ close (lf);
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+ close (TF);
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+ erase (lf);
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+ erase (tf);
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+
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+end.
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