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const
err: boolean = false;
var
a: array[0..512] of byte;
procedure test_fillchar;
var
i, j: longint;
k: byte;
l: longint;
begin
for i := 0 to 512 do
begin
a[i] := 255;
end;
{ lengths }
for i := 0 to 256 do
{ alignments }
for j := 0 to 31 do
{ values }
for k := 0 to 1 do
begin
fillchar(a[j+4],i,k);
{ check whether we didn't write a byte too early }
for l := 0 to j+3 do
begin
if a[l] <> 255 then
begin
writeln('Fillchar test error 1');
err := true;
halt(1);
end;
a[l] := 255;
end;
{ check whether the actual values were written correctly }
for l := j+4 to j+i+3 do
begin
if a[l] <> k then
begin
writeln('Fillchar test error 2');
err := true;
halt(1);
end;
a[l] := 255;
end;
{ check whether we didn't write past the end }
for l := j+i+4 to 512 do
begin
if a[l] <> 255 then
begin
writeln('Fillchar test error 3');
err := true;
halt(1);
end;
a[l] := 255;
end;
end;
end;
begin
test_fillchar;
if err then
halt(1);
end.
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