1N/A# Unit tests of _twrite function 1N/A# _twrite($self, $data, $pos, $len) 1N/A# 't' here is for 'tail'. This writes $data at absolute position $pos 1N/A# in the file, overwriting exactly $len of the bytes at that position. 1N/A# Everything else is moved down or up, dependong on whether 1N/A# length($data) > $len or length($data) < $len. 1N/A# $len == 0 is a pure insert; $len == length($data) is a simple overwrite. 1N/Aprint "ok $N\n"; $N++;
1N/A# (2) Peter Scott sent this one. It fails in 0.51 and works in 0.90 1N/A# <4.3.2.7.2.20020331102819.00b913d0@shell2.webquarry.com> 1N/A# The problem was premature termination in the inner loop 1N/A# because you had $more_data scoped *inside* the block instead of outside. 1N/A# The file is now 15292 characters long on Unix, 15392 on Win32 1N/A ?
"ok $N\n" :
"not ok $N # expected $x, got $s\n";
1N/Amy @
subtests =
qw(x <x x> x><x <x> <x><x x><x> <x><x> <x><x><x> 0);
1N/A# (3-73) These were generated by 'gentests.pl' to cover all possible cases 1N/A# x: data is entirely contained within one block 1N/A# x>: data runs from the middle to the end of the block 1N/A# <x: data runs from the start to the middle of the block 1N/A# <x>: data occupies precisely one block 1N/A# x><x: data overlaps one block boundary 1N/A# <x><x: data runs from the start of one block into the middle of the next 1N/A# x><x>: data runs from the middle of one block to the end of the next 1N/A# <x><x>: data occupies two blocks exactly 1N/A# <x><x><x>: data occupies three blocks exactly 1N/A# For each possible alignment of the old and new data, we investigate 1N/A# up to three situations: old data is shorter, old and new data are the 1N/A# same length, and new data is shorter. 1N/A# try($pos, $old, $new) means to run a test where the data starts at 1N/A# position $pos, the old data has length $old, 1N/A# and the new data has length $new. 1N/Atry( 9659, 6635, 6691);
# old=x , new=x ; old < new 1N/Atry( 8605, 2394, 2394);
# old=x , new=x ; old = new 1N/Atry( 9768, 1361, 664);
# old=x , new=x ; old > new 1N/Atry( 9955, 6429, 6429);
# old=x> , new=x ; old = new 1N/Atry(10550, 5834, 4123);
# old=x> , new=x ; old > new 1N/Atry(14580, 6158, 851);
# old=x><x , new=x ; old > new 1N/Atry(13442, 11134, 1572);
# old=x><x> , new=x ; old > new 1N/Atry( 8394, 0, 5742);
# old=0 , new=x ; old < new 1N/Atry( 8192, 2819, 6738);
# old=<x , new=<x ; old < new 1N/Atry( 8192, 514, 514);
# old=<x , new=<x ; old = new 1N/Atry( 8192, 2196, 858);
# old=<x , new=<x ; old > new 1N/Atry( 8192, 8192, 8192);
# old=<x> , new=<x ; old = new 1N/Atry( 8192, 8192, 1290);
# old=<x> , new=<x ; old > new 1N/Atry( 8192, 10575, 6644);
# old=<x><x , new=<x ; old > new 1N/Atry( 8192, 16384, 5616);
# old=<x><x> , new=<x ; old > new 1N/Atry( 8192, 24576, 6253);
# old=<x><x><x>, new=<x ; old > new 1N/Atry( 8192, 0, 6870);
# old=0 , new=<x ; old < new 1N/Atry( 8478, 6259, 7906);
# old=x , new=x> ; old < new 1N/Atry( 9965, 6419, 6419);
# old=x> , new=x> ; old = new 1N/Atry(16059, 6102, 325);
# old=x><x , new=x> ; old > new 1N/Atry( 9503, 15073, 6881);
# old=x><x> , new=x> ; old > new 1N/Atry( 9759, 0, 6625);
# old=0 , new=x> ; old < new 1N/Atry( 8525, 2081, 8534);
# old=x , new=x><x ; old < new 1N/Atry(15550, 834, 1428);
# old=x> , new=x><x ; old < new 1N/Atry(14966, 1668, 3479);
# old=x><x , new=x><x ; old < new 1N/Atry(16316, 1605, 1605);
# old=x><x , new=x><x ; old = new 1N/Atry(16093, 4074, 993);
# old=x><x , new=x><x ; old > new 1N/Atry(14739, 9837, 9837);
# old=x><x> , new=x><x ; old = new 1N/Atry(14071, 10505, 7344);
# old=x><x> , new=x><x ; old > new 1N/Atry(12602, 0, 8354);
# old=0 , new=x><x ; old < new 1N/Atry( 8192, 2767, 8192);
# old=<x , new=<x> ; old < new 1N/Atry( 8192, 8192, 8192);
# old=<x> , new=<x> ; old = new 1N/Atry( 8192, 14817, 8192);
# old=<x><x , new=<x> ; old > new 1N/Atry( 8192, 16384, 8192);
# old=<x><x> , new=<x> ; old > new 1N/Atry( 8192, 24576, 8192);
# old=<x><x><x>, new=<x> ; old > new 1N/Atry( 8192, 0, 8192);
# old=0 , new=<x> ; old < new 1N/Atry( 8192, 6532, 10882);
# old=<x , new=<x><x ; old < new 1N/Atry( 8192, 8192, 16044);
# old=<x> , new=<x><x ; old < new 1N/Atry( 8192, 9555, 11020);
# old=<x><x , new=<x><x ; old < new 1N/Atry( 8192, 9001, 9001);
# old=<x><x , new=<x><x ; old = new 1N/Atry( 8192, 11760, 10274);
# old=<x><x , new=<x><x ; old > new 1N/Atry( 8192, 16384, 10781);
# old=<x><x> , new=<x><x ; old > new 1N/Atry( 8192, 24576, 9284);
# old=<x><x><x>, new=<x><x ; old > new 1N/Atry( 8192, 0, 12488);
# old=0 , new=<x><x ; old < new 1N/Atry( 8222, 6385, 16354);
# old=x , new=x><x> ; old < new 1N/Atry(13500, 2884, 11076);
# old=x> , new=x><x> ; old < new 1N/Atry(14069, 4334, 10507);
# old=x><x , new=x><x> ; old < new 1N/Atry(14761, 9815, 9815);
# old=x><x> , new=x><x> ; old = new 1N/Atry(10469, 0, 14107);
# old=0 , new=x><x> ; old < new 1N/Atry( 8192, 4181, 16384);
# old=<x , new=<x><x> ; old < new 1N/Atry( 8192, 8192, 16384);
# old=<x> , new=<x><x> ; old < new 1N/Atry( 8192, 12087, 16384);
# old=<x><x , new=<x><x> ; old < new 1N/Atry( 8192, 16384, 16384);
# old=<x><x> , new=<x><x> ; old = new 1N/Atry( 8192, 24576, 16384);
# old=<x><x><x>, new=<x><x> ; old > new 1N/Atry( 8192, 0, 16384);
# old=0 , new=<x><x> ; old < new 1N/Atry( 8192, 4968, 24576);
# old=<x , new=<x><x><x>; old < new 1N/Atry( 8192, 8192, 24576);
# old=<x> , new=<x><x><x>; old < new 1N/Atry( 8192, 14163, 24576);
# old=<x><x , new=<x><x><x>; old < new 1N/Atry( 8192, 16384, 24576);
# old=<x><x> , new=<x><x><x>; old < new 1N/Atry( 8192, 24576, 24576);
# old=<x><x><x>, new=<x><x><x>; old = new 1N/Atry( 8192, 0, 24576);
# old=0 , new=<x><x><x>; old < new 1N/Atry( 8771, 776, 0);
# old=x , new=0 ; old > new 1N/Atry( 8192, 2813, 0);
# old=<x , new=0 ; old > new 1N/Atry(13945, 2439, 0);
# old=x> , new=0 ; old > new 1N/Atry(14493, 6090, 0);
# old=x><x , new=0 ; old > new 1N/Atry( 8192, 8192, 0);
# old=<x> , new=0 ; old > new 1N/Atry( 8192, 10030, 0);
# old=<x><x , new=0 ; old > new 1N/Atry(14983, 9593, 0);
# old=x><x> , new=0 ; old > new 1N/Atry( 8192, 16384, 0);
# old=<x><x> , new=0 ; old > new 1N/Atry( 8192, 24576, 0);
# old=<x><x><x>, new=0 ; old > new 1N/Atry(10489, 0, 0);
# old=0 , new=0 ; old = new 1N/A# These tests all take place at the start of the file 1N/Atry( 0, 771, 1593);
# old=<x , new=<x ; old < new 1N/Atry( 0, 4868, 4868);
# old=<x , new=<x ; old = new 1N/Atry( 0, 147, 118);
# old=<x , new=<x ; old > new 1N/Atry( 0, 8192, 8192);
# old=<x> , new=<x ; old = new 1N/Atry( 0, 8192, 4574);
# old=<x> , new=<x ; old > new 1N/Atry( 0, 11891, 1917);
# old=<x><x , new=<x ; old > new 1N/Atry( 0, 16384, 5155);
# old=<x><x> , new=<x ; old > new 1N/Atry( 0, 24576, 2953);
# old=<x><x><x>, new=<x ; old > new 1N/Atry( 0, 0, 1317);
# old=0 , new=<x ; old < new 1N/Atry( 0, 5609, 8192);
# old=<x , new=<x> ; old < new 1N/Atry( 0, 8192, 8192);
# old=<x> , new=<x> ; old = new 1N/Atry( 0, 11083, 8192);
# old=<x><x , new=<x> ; old > new 1N/Atry( 0, 16384, 8192);
# old=<x><x> , new=<x> ; old > new 1N/Atry( 0, 24576, 8192);
# old=<x><x><x>, new=<x> ; old > new 1N/Atry( 0, 0, 8192);
# old=0 , new=<x> ; old < new 1N/Atry( 0, 6265, 9991);
# old=<x , new=<x><x ; old < new 1N/Atry( 0, 8192, 16119);
# old=<x> , new=<x><x ; old < new 1N/Atry( 0, 10218, 11888);
# old=<x><x , new=<x><x ; old < new 1N/Atry( 0, 14126, 14126);
# old=<x><x , new=<x><x ; old = new 1N/Atry( 0, 12002, 9034);
# old=<x><x , new=<x><x ; old > new 1N/Atry( 0, 16384, 13258);
# old=<x><x> , new=<x><x ; old > new 1N/Atry( 0, 24576, 14367);
# old=<x><x><x>, new=<x><x ; old > new 1N/Atry( 0, 0, 10881);
# old=0 , new=<x><x ; old < new 1N/Atry( 0, 6448, 16384);
# old=<x , new=<x><x> ; old < new 1N/Atry( 0, 8192, 16384);
# old=<x> , new=<x><x> ; old < new 1N/Atry( 0, 15082, 16384);
# old=<x><x , new=<x><x> ; old < new 1N/Atry( 0, 16384, 16384);
# old=<x><x> , new=<x><x> ; old = new 1N/Atry( 0, 24576, 16384);
# old=<x><x><x>, new=<x><x> ; old > new 1N/Atry( 0, 0, 16384);
# old=0 , new=<x><x> ; old < new 1N/Atry( 0, 2421, 24576);
# old=<x , new=<x><x><x>; old < new 1N/Atry( 0, 8192, 24576);
# old=<x> , new=<x><x><x>; old < new 1N/Atry( 0, 11655, 24576);
# old=<x><x , new=<x><x><x>; old < new 1N/Atry( 0, 16384, 24576);
# old=<x><x> , new=<x><x><x>; old < new 1N/Atry( 0, 24576, 24576);
# old=<x><x><x>, new=<x><x><x>; old = new 1N/Atry( 0, 0, 24576);
# old=0 , new=<x><x><x>; old < new 1N/Atry( 0, 6530, 0);
# old=<x , new=0 ; old > new 1N/Atry( 0, 8192, 0);
# old=<x> , new=0 ; old > new 1N/Atry( 0, 14707, 0);
# old=<x><x , new=0 ; old > new 1N/Atry( 0, 16384, 0);
# old=<x><x> , new=0 ; old > new 1N/Atry( 0, 24576, 0);
# old=<x><x><x>, new=0 ; old > new 1N/Atry( 0, 0, 0);
# old=0 , new=0 ; old = new 1N/A# These tests all take place at the end of the file 1N/A$FLEN =
40960;
# Force the file to be exactly 40960 bytes long 1N/Atry(32768, 8192, 8192);
# old=<x> , new=<x ; old = new 1N/Atry(32768, 8192, 4026);
# old=<x> , new=<x ; old > new 1N/Atry(24576, 16384, 1917);
# old=<x><x> , new=<x ; old > new 1N/Atry(16384, 24576, 3818);
# old=<x><x><x>, new=<x ; old > new 1N/Atry(40960, 0, 2779);
# old=0 , new=<x ; old < new 1N/Atry(32768, 8192, 8192);
# old=<x> , new=<x> ; old = new 1N/Atry(24576, 16384, 8192);
# old=<x><x> , new=<x> ; old > new 1N/Atry(16384, 24576, 8192);
# old=<x><x><x>, new=<x> ; old > new 1N/Atry(40960, 0, 8192);
# old=0 , new=<x> ; old < new 1N/Atry(32768, 8192, 10724);
# old=<x> , new=<x><x ; old < new 1N/Atry(24576, 16384, 12221);
# old=<x><x> , new=<x><x ; old > new 1N/Atry(16384, 24576, 15030);
# old=<x><x><x>, new=<x><x ; old > new 1N/Atry(40960, 0, 11752);
# old=0 , new=<x><x ; old < new 1N/Atry(32768, 8192, 16384);
# old=<x> , new=<x><x> ; old < new 1N/Atry(24576, 16384, 16384);
# old=<x><x> , new=<x><x> ; old = new 1N/Atry(16384, 24576, 16384);
# old=<x><x><x>, new=<x><x> ; old > new 1N/Atry(40960, 0, 16384);
# old=0 , new=<x><x> ; old < new 1N/Atry(32768, 8192, 24576);
# old=<x> , new=<x><x><x>; old < new 1N/Atry(24576, 16384, 24576);
# old=<x><x> , new=<x><x><x>; old < new 1N/Atry(16384, 24576, 24576);
# old=<x><x><x>, new=<x><x><x>; old = new 1N/Atry(40960, 0, 24576);
# old=0 , new=<x><x><x>; old < new 1N/Atry(35973, 4987, 0);
# old=x> , new=0 ; old > new 1N/Atry(32768, 8192, 0);
# old=<x> , new=0 ; old > new 1N/Atry(29932, 11028, 0);
# old=x><x> , new=0 ; old > new 1N/Atry(24576, 16384, 0);
# old=<x><x> , new=0 ; old > new 1N/Atry(16384, 24576, 0);
# old=<x><x><x>, new=0 ; old > new 1N/Atry(40960, 0, 0);
# old=0 , new=0 ; old = new 1N/A# These tests all take place at the end of the file 1N/A$FLEN =
42000;
# Force the file to be exactly 42000 bytes long 1N/Atry(41275, 725, 4059);
# old=x , new=x ; old < new 1N/Atry(41683, 317, 317);
# old=x , new=x ; old = new 1N/Atry(41225, 775, 405);
# old=x , new=x ; old > new 1N/Atry(35709, 6291, 284);
# old=x><x , new=x ; old > new 1N/Atry(42000, 0, 2434);
# old=0 , new=x ; old < new 1N/Atry(40960, 1040, 1608);
# old=<x , new=<x ; old < new 1N/Atry(40960, 1040, 1040);
# old=<x , new=<x ; old = new 1N/Atry(40960, 1040, 378);
# old=<x , new=<x ; old > new 1N/Atry(32768, 9232, 5604);
# old=<x><x , new=<x ; old > new 1N/Atry(42000, 0, 6637);
# old=0 , new=<x ; old < new 1N/Atry(41022, 978, 8130);
# old=x , new=x> ; old < new 1N/Atry(39994, 2006, 966);
# old=x><x , new=x> ; old > new 1N/Atry(42000, 0, 7152);
# old=0 , new=x> ; old < new 1N/Atry(41613, 387, 10601);
# old=x , new=x><x ; old < new 1N/Atry(38460, 3540, 3938);
# old=x><x , new=x><x ; old < new 1N/Atry(36725, 5275, 5275);
# old=x><x , new=x><x ; old = new 1N/Atry(37990, 4010, 3199);
# old=x><x , new=x><x ; old > new 1N/Atry(42000, 0, 9189);
# old=0 , new=x><x ; old < new 1N/Atry(40960, 1040, 8192);
# old=<x , new=<x> ; old < new 1N/Atry(32768, 9232, 8192);
# old=<x><x , new=<x> ; old > new 1N/Atry(42000, 0, 8192);
# old=0 , new=<x> ; old < new 1N/Atry(40960, 1040, 11778);
# old=<x , new=<x><x ; old < new 1N/Atry(32768, 9232, 13792);
# old=<x><x , new=<x><x ; old < new 1N/Atry(32768, 9232, 9232);
# old=<x><x , new=<x><x ; old = new 1N/Atry(32768, 9232, 8795);
# old=<x><x , new=<x><x ; old > new 1N/Atry(42000, 0, 8578);
# old=0 , new=<x><x ; old < new 1N/Atry(41531, 469, 15813);
# old=x , new=x><x> ; old < new 1N/Atry(39618, 2382, 9534);
# old=x><x , new=x><x> ; old < new 1N/Atry(42000, 0, 15344);
# old=0 , new=x><x> ; old < new 1N/Atry(40960, 1040, 16384);
# old=<x , new=<x><x> ; old < new 1N/Atry(32768, 9232, 16384);
# old=<x><x , new=<x><x> ; old < new 1N/Atry(42000, 0, 16384);
# old=0 , new=<x><x> ; old < new 1N/Atry(40960, 1040, 24576);
# old=<x , new=<x><x><x>; old < new 1N/Atry(32768, 9232, 24576);
# old=<x><x , new=<x><x><x>; old < new 1N/Atry(42000, 0, 24576);
# old=0 , new=<x><x><x>; old < new 1N/Atry(41500, 500, 0);
# old=x , new=0 ; old > new 1N/Atry(40960, 1040, 0);
# old=<x , new=0 ; old > new 1N/Atry(35272, 6728, 0);
# old=x><x , new=0 ; old > new 1N/Atry(32768, 9232, 0);
# old=<x><x , new=0 ; old > new 1N/Atry(42000, 0, 0);
# old=0 , new=0 ; old = new 1N/A # The record has exactly 17 characters. This will help ensure that 1N/A # even if _twrite screws up, the data doesn't coincidentally 1N/A # look good because the remainder accidentally lines up. 1N/A int(8192*5/length($d))+1; # at least 5 blocks' worth 1N/A# my $open = open FH, "< $file"; 1N/A print "not ok $N\n# expected <$x>, got <$a>\n"; 1N/A ? "ok $N\n" : "not ok $N\n";