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{ This unit tests the basic routines }
{ which are usually coded in assembler }
{ Mainly used in porting to other processors }
{********************************************}
{ Tested against Delphi 6 and Delphi 3 }
{********************************************}
program tmem;
const
MAX_TABLE = 69; { this value should not be even ! }
DEFAULT_VALUE = $55;
FILL_VALUE = $33;
var
dst_arraybyte : array[1..MAX_TABLE] of byte;
src_arraybyte : array[1..MAX_TABLE] of byte;
dst_arrayword : array[1..MAX_TABLE] of word;
dst_arraylongword : array[1..MAX_TABLE] of longword;
i: integer;
procedure test(value, required: longint);
begin
if value <> required then
begin
writeln('Got ',value,' instead of ',required);
halt(1);
end;
end;
procedure test_fillchar;
var
i: integer;
begin
{ non-aligned count }
write('testing fillchar (non-aligned size)...');
for i := 1 to MAX_TABLE do
dst_arraybyte[i] := DEFAULT_VALUE;
fillchar(dst_arraybyte, MAX_TABLE-2, FILL_VALUE);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
test(dst_arraybyte[MAX_TABLE-1], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-2 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ modulo 2 count fill }
write('testing fillchar (aligned size)...');
for i := 1 to MAX_TABLE do
dst_arraybyte[i] := DEFAULT_VALUE;
fillchar(dst_arraybyte, MAX_TABLE-1, FILL_VALUE);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-1 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ test zero fillchar count }
write('testing fillchar (zero count)...');
for i := 1 to MAX_TABLE do
dst_arraybyte[i] := DEFAULT_VALUE;
fillchar(dst_arraybyte, 0, FILL_VALUE);
for i := 1 to MAX_TABLE do
test(dst_arraybyte[i], DEFAULT_VALUE);
writeln('Passed!');
{ test negative fillchar count }
write('testing fillchar (negative count)...');
for i := 1 to MAX_TABLE do
dst_arraybyte[i] := DEFAULT_VALUE;
fillchar(dst_arraybyte, -1, FILL_VALUE);
for i := 1 to MAX_TABLE do
test(dst_arraybyte[i], DEFAULT_VALUE);
writeln('Passed!');
end;
procedure test_move;
begin
{ non-aligned count }
write('testing move (non-aligned size)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
move(src_arraybyte, dst_arraybyte, MAX_TABLE-2);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
test(dst_arraybyte[MAX_TABLE-1], DEFAULT_VALUE);
for i:= 1 to MAX_TABLE-2 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ modulo 2 count fill }
{ non-aligned count }
write('testing move (aligned size)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
move(src_arraybyte, dst_arraybyte, MAX_TABLE-1);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
for i:= 1 to MAX_TABLE-1 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ zero move count }
write('testing move (zero count)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
move(src_arraybyte,dst_arraybyte, 0);
for i:= 1 to MAX_TABLE do
test(dst_arraybyte[i], DEFAULT_VALUE);
writeln('Passed!');
{ negative move count }
write('testing move (negative count)...');
move(src_arraybyte,dst_arraybyte,-12);
writeln('Passed!');
end;
procedure test_move_large(size: longint);
var
src, dst: PLongInt;
i: LongInt;
begin
GetMem(src, size*sizeof(LongInt));
GetMem(dst, size*sizeof(LongInt));
write('testing move of ',size,' dwords ...');
for i := 0 to size-1 do
begin
src[i] := i;
dst[i] := -1;
end;
move(src[0], dst[2], (size-4)*sizeof(LongInt));
test(dst[0], -1);
test(dst[1], -1);
test(dst[size-1], -1);
test(dst[size-2], -1);
for i := 2 to size-3 do
test(dst[i], i-2);
writeln('Passed!');
// repeat with source and dest swapped (maybe move in opposite direction)
// current implementations detect that regions don't overlap and move forward,
// so this test is mostly useless. But it won't harm anyway.
write('testing move of ',size,' dwords, opposite direction...');
for i := 0 to size-1 do
begin
dst[i] := i;
src[i] := -1;
end;
move(dst[0], src[2], (size-4)*sizeof(LongInt));
test(src[0], -1);
test(src[1], -1);
test(src[size-1], -1);
test(src[size-2], -1);
for i := 2 to size-3 do
test(src[i], i-2);
writeln('Passed!');
write('testing move of ',size,' dwords, overlapping forward...');
for i := 0 to size-1 do
src[i] := i;
move(src[0], src[100], (size-100)*sizeof(LongInt));
for i := 0 to 99 do
test(src[i], i);
for i := 100 to size-101 do
test(src[i], i-100);
writeln('Passed!');
write('testing move of ',size,' dwords, overlapping backward...');
for i := 0 to size-1 do
src[i] := i;
move(src[100], src[0], (size-100)*sizeof(LongInt));
for i := 0 to size-101 do
test(src[i], i+100);
for i := size-100 to size-1 do
test(src[i], i);
writeln('Passed!');
FreeMem(dst);
FreeMem(src);
end;
{$ifdef fpc}
procedure test_fillword;
var
i: integer;
begin
{ non-aligned count }
write('testing fillword (non-aligned size)...');
for i := 1 to MAX_TABLE do
dst_arrayword[i] := DEFAULT_VALUE;
fillword(dst_arrayword, MAX_TABLE-2, FILL_VALUE);
test(dst_arrayword[MAX_TABLE], DEFAULT_VALUE);
test(dst_arrayword[MAX_TABLE-1], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-2 do
test(dst_arrayword[i], FILL_VALUE);
writeln('Passed!');
{ modulo 2 count fill }
write('testing fillword (aligned size)...');
for i := 1 to MAX_TABLE do
dst_arrayword[i] := DEFAULT_VALUE;
fillword(dst_arrayword, MAX_TABLE-1, FILL_VALUE);
test(dst_arrayword[MAX_TABLE], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-1 do
test(dst_arrayword[i], FILL_VALUE);
writeln('Passed!');
{ test zero fillword count }
write('testing fillword (zero count)...');
for i := 1 to MAX_TABLE do
dst_arrayword[i] := DEFAULT_VALUE;
fillword(dst_arrayword, 0, FILL_VALUE);
for i := 1 to MAX_TABLE do
test(dst_arrayword[i], DEFAULT_VALUE);
writeln('Passed!');
{ test negative fillword count }
write('testing fillword (negative count)...');
for i := 1 to MAX_TABLE do
dst_arrayword[i] := DEFAULT_VALUE;
fillword(dst_arrayword, -1, FILL_VALUE);
writeln('Passed!');
end;
procedure test_filldword;
var
i: integer;
begin
{ non-aligned count }
write('testing filldword (non-aligned size)...');
for i := 1 to MAX_TABLE do
dst_arraylongword[i] := DEFAULT_VALUE;
filldword(dst_arraylongword, MAX_TABLE-2, FILL_VALUE);
test(dst_arraylongword[MAX_TABLE], DEFAULT_VALUE);
test(dst_arraylongword[MAX_TABLE-1], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-2 do
test(dst_arraylongword[i], FILL_VALUE);
writeln('Passed!');
{ modulo 2 count fill }
write('testing filldword (aligned size)...');
for i := 1 to MAX_TABLE do
dst_arraylongword[i] := DEFAULT_VALUE;
filldword(dst_arraylongword, MAX_TABLE-1, FILL_VALUE);
test(dst_arraylongword[MAX_TABLE], DEFAULT_VALUE);
for i := 1 to MAX_TABLE-1 do
test(dst_arraylongword[i], FILL_VALUE);
writeln('Passed!');
{ test zero filldword count }
write('testing filldword (zero count)...');
for i := 1 to MAX_TABLE do
dst_arraylongword[i] := DEFAULT_VALUE;
filldword(dst_arraylongword, 0, FILL_VALUE);
for i := 1 to MAX_TABLE do
test(dst_arraylongword[i], DEFAULT_VALUE);
writeln('Passed!');
{ test negative filldword count }
write('testing filldword (negative count)...');
for i := 1 to MAX_TABLE do
dst_arraylongword[i] := DEFAULT_VALUE;
filldword(dst_arraylongword, -1, FILL_VALUE);
writeln('Passed!');
end;
procedure test_movechar0;
begin
{ non-aligned count }
write('testing movechar0 (non-aligned size)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
movechar0(src_arraybyte, dst_arraybyte, MAX_TABLE-2);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
test(dst_arraybyte[MAX_TABLE-1], DEFAULT_VALUE);
for i:= 1 to MAX_TABLE-2 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ modulo 2 count fill }
{ non-aligned count }
write('testing movechar0 (aligned size)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
movechar0(src_arraybyte, dst_arraybyte, MAX_TABLE-1);
test(dst_arraybyte[MAX_TABLE], DEFAULT_VALUE);
for i:= 1 to MAX_TABLE-1 do
test(dst_arraybyte[i], FILL_VALUE);
writeln('Passed!');
{ zero movechar0 count }
write('test movechar0 (zero count)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := FILL_VALUE;
end;
movechar0(src_arraybyte,dst_arraybyte, 0);
for i:= 1 to MAX_TABLE do
test(dst_arraybyte[i], DEFAULT_VALUE);
writeln('Passed!');
{ withh null value as first value in index }
write('test movechar0 with null character...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
src_arraybyte[i] := 0;
end;
movechar0(src_arraybyte, dst_arraybyte, MAX_TABLE-1);
{ nothing should have been moved }
for i:= 1 to MAX_TABLE do
test(dst_arraybyte[i], DEFAULT_VALUE);
writeln('Passed!');
{ with null value as second value in index }
write('test movechar0 with null character (and char)...');
for i := 1 to MAX_TABLE do
begin
dst_arraybyte[i] := DEFAULT_VALUE;
end;
src_arraybyte[1] := FILL_VALUE;
src_arraybyte[2] := 0;
movechar0(src_arraybyte, dst_arraybyte, MAX_TABLE-1);
test(dst_arraybyte[1], FILL_VALUE);
{ the rest should normally not have bene touched }
test(dst_arraybyte[2], DEFAULT_VALUE);
writeln('Passed!');
end;
{$endif}
begin
test_fillchar;
test_move;
test_move_large(500); // 512 longints=2048 bytes
test_move_large(500000);
{$ifdef fpc}
test_fillword;
test_filldword;
test_movechar0;
{$endif}
end.
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