anydbm.t

UNIX下perl实现代码

#!./perl

# $RCSfile: dbm.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:43 $

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
    require Config; import Config;
    if (($Config{'extensions'} !~ /\b(DB|[A-Z]DBM)_File\b/) ){
      print "1..0 # Skipping (no DB_File or [A-Z]DBM_File)\n";
      exit 0;
    }
}
require AnyDBM_File;
use Fcntl;

print "1..12\n";

$Is_Dosish = ($^O eq 'amigaos' || $^O eq 'MSWin32' or $^O eq 'dos' or
	      $^O eq 'os2' or $^O eq 'mint');

unlink <Op_dbmx*>;

umask(0);
print (tie(%h,AnyDBM_File,'Op_dbmx', O_RDWR|O_CREAT, 0640)
       ? "ok 1\n" : "not ok 1\n");

$Dfile = "Op_dbmx.pag";
if (! -e $Dfile) {
	($Dfile) = <Op_dbmx*>;
}
if ($Is_Dosish) {
    print "ok 2 # Skipped: different file permission semantics\n";
}
else {
    ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
     $blksize,$blocks) = stat($Dfile);
    print (($mode & 0777) == 0640 ? "ok 2\n" : "not ok 2\n");
}
while (($key,$value) = each(%h)) {
    $i++;
}
print (!$i ? "ok 3\n" : "not ok 3 # i=$i\n\n");

$h{'goner1'} = 'snork';

$h{'abc'} = 'ABC';
$h{'def'} = 'DEF';
$h{'jkl','mno'} = "JKL\034MNO";
$h{'a',2,3,4,5} = join("\034",'A',2,3,4,5);
$h{'a'} = 'A';
$h{'b'} = 'B';
$h{'c'} = 'C';
$h{'d'} = 'D';
$h{'e'} = 'E';
$h{'f'} = 'F';
$h{'g'} = 'G';
$h{'h'} = 'H';
$h{'i'} = 'I';

$h{'goner2'} = 'snork';
delete $h{'goner2'};

untie(%h);
print (tie(%h,AnyDBM_File,'Op_dbmx', O_RDWR, 0640) ? "ok 4\n" : "not ok 4\n");

$h{'j'} = 'J';
$h{'k'} = 'K';
$h{'l'} = 'L';
$h{'m'} = 'M';
$h{'n'} = 'N';
$h{'o'} = 'O';
$h{'p'} = 'P';
$h{'q'} = 'Q';
$h{'r'} = 'R';
$h{'s'} = 'S';
$h{'t'} = 'T';
$h{'u'} = 'U';
$h{'v'} = 'V';
$h{'w'} = 'W';
$h{'x'} = 'X';
$h{'y'} = 'Y';
$h{'z'} = 'Z';

$h{'goner3'} = 'snork';

delete $h{'goner1'};
delete $h{'goner3'};

@keys = keys(%h);
@values = values(%h);

if ($#keys == 29 && $#values == 29) {print "ok 5\n";} else {print "not ok 5\n";}

while (($key,$value) = each(%h)) {
    if ($key eq $keys[$i] && $value eq $values[$i] && $key eq lc($value)) {
	$key =~ y/a-z/A-Z/;
	$i++ if $key eq $value;
    }
}

if ($i == 30) {print "ok 6\n";} else {print "not ok 6\n";}

@keys = ('blurfl', keys(%h), 'dyick');
if ($#keys == 31) {print "ok 7\n";} else {print "not ok 7\n";}

$h{'foo'} = '';
$h{''} = 'bar';

# check cache overflow and numeric keys and contents
$ok = 1;
for ($i = 1; $i < 200; $i++) { $h{$i + 0} = $i + 0; }
for ($i = 1; $i < 200; $i++) { $ok = 0 unless $h{$i} == $i; }
print ($ok ? "ok 8\n" : "not ok 8\n");

($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
   $blksize,$blocks) = stat($Dfile);
print ($size > 0 ? "ok 9\n" : "not ok 9\n");

@h{0..200} = 200..400;
@foo = @h{0..200};
print join(':',200..400) eq join(':',@foo) ? "ok 10\n" : "not ok 10\n";

print ($h{'foo'} eq '' ? "ok 11\n" : "not ok 11\n");
if ($h{''} eq 'bar') {
   print "ok 12\n" ;
}
else {
   if ($AnyDBM_File::ISA[0] eq 'DB_File' && $DB_File::db_ver >= 2.004010) {
     ($major, $minor, $patch) = ($DB_File::db_ver =~ /^(\d+)\.(\d\d\d)(\d\d\d)/) ;
     $major =~ s/^0+// ;
     $minor =~ s/^0+// ;
     $patch =~ s/^0+// ;
     $compact = "$major.$minor.$patch" ;
     #
     # anydbm.t test 12 will fail when AnyDBM_File uses the combination of
     # DB_File and Berkeley DB 2.4.10 (or greater). 
     # You are using DB_File $DB_File::VERSION and Berkeley DB $compact
     #
     # Berkeley DB 2 from version 2.4.10 onwards does not allow null keys.
     # This feature will be reenabled in a future version of Berkeley DB.
     #
     print "ok 12 # skipped: db v$compact, no null key support\n" ;
   }
   else {
     print "not ok 12\n" ;
   }
}

untie %h;
if ($^O eq 'VMS') {
  unlink 'Op_dbmx.sdbm_dir', $Dfile;
} else {
  unlink 'Op_dbmx.dir', $Dfile;  
}