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|
#!/usr/bin/perl
my $file = "tf$$.txt";
$: = Tie::File::_default_recsep();
print "1..71\n";
my $N = 1;
use Tie::File;
print "ok $N\n"; $N++;
my $o = tie @a, 'Tie::File', $file, autochomp => 1, autodefer => 0;
print $o ? "ok $N\n" : "not ok $N\n";
$N++;
# 3-5 create
$a[0] = 'rec0';
check_contents("rec0");
# 6-11 append
$a[1] = 'rec1';
check_contents("rec0", "rec1");
$a[2] = 'rec2';
check_contents("rec0", "rec1", "rec2");
# 12-20 same-length alterations
$a[0] = 'new0';
check_contents("new0", "rec1", "rec2");
$a[1] = 'new1';
check_contents("new0", "new1", "rec2");
$a[2] = 'new2';
check_contents("new0", "new1", "new2");
# 21-35 lengthening alterations
$a[0] = 'long0';
check_contents("long0", "new1", "new2");
$a[1] = 'long1';
check_contents("long0", "long1", "new2");
$a[2] = 'long2';
check_contents("long0", "long1", "long2");
$a[1] = 'longer1';
check_contents("long0", "longer1", "long2");
$a[0] = 'longer0';
check_contents("longer0", "longer1", "long2");
# 36-50 shortening alterations, including truncation
$a[0] = 'short0';
check_contents("short0", "longer1", "long2");
$a[1] = 'short1';
check_contents("short0", "short1", "long2");
$a[2] = 'short2';
check_contents("short0", "short1", "short2");
$a[1] = 'sh1';
check_contents("short0", "sh1", "short2");
$a[0] = 'sh0';
check_contents("sh0", "sh1", "short2");
# (51-56) file with holes
$a[4] = 'rec4';
check_contents("sh0", "sh1", "short2", "", "rec4");
$a[3] = 'rec3';
check_contents("sh0", "sh1", "short2", "rec3", "rec4");
# (57-59) zero out file
@a = ();
check_contents();
# (60-62) insert into the middle of an empty file
$a[3] = "rec3";
check_contents("", "", "", "rec3");
# (63-68) Test the ->autochomp() method
@a = qw(Gold Frankincense Myrrh);
my $ac;
$ac = $o->autochomp();
expect($ac);
# See if that accidentally changed it
$ac = $o->autochomp();
expect($ac);
# Now clear it
$ac = $o->autochomp(0);
expect($ac);
expect(join("-", @a), "Gold$:-Frankincense$:-Myrrh$:");
# Now set it again
$ac = $o->autochomp(1);
expect(!$ac);
expect(join("-", @a), "Gold-Frankincense-Myrrh");
# (69) Does 'splice' work correctly with autochomp?
my @sr;
@sr = splice @a, 0, 2;
expect(join("-", @sr), "Gold-Frankincense");
# (70-71) Didn't you forget that fetch may return an unchomped cached record?
$a1 = $a[0]; # populate cache
$a2 = $a[0];
expect($a1, "Myrrh");
expect($a2, "Myrrh");
# Actually no, you didn't---_fetch might return such a record, but
# the chomping is done by FETCH.
use POSIX 'SEEK_SET';
sub check_contents {
my @c = @_;
my $x = join $:, @c, '';
local *FH = $o->{fh};
seek FH, 0, SEEK_SET;
# my $open = open FH, "< $file";
my $a;
{ local $/; $a = <FH> }
$a = "" unless defined $a;
if ($a eq $x) {
print "ok $N\n";
} else {
ctrlfix($a, $x);
print "not ok $N\n# expected <$x>, got <$a>\n";
}
$N++;
# now check FETCH:
my $good = 1;
my $msg;
for (0.. $#c) {
my $aa = $a[$_];
unless ($aa eq $c[$_]) {
$msg = "expected <$c[$_]>, got <$aa>";
ctrlfix($msg);
$good = 0;
}
}
print $good ? "ok $N\n" : "not ok $N # $msg\n";
$N++;
print $o->_check_integrity($file, $ENV{INTEGRITY})
? "ok $N\n" : "not ok $N\n";
$N++;
}
sub expect {
if (@_ == 1) {
print $_[0] ? "ok $N\n" : "not ok $N\n";
} elsif (@_ == 2) {
my ($a, $x) = @_;
if (! defined($a) && ! defined($x)) { print "ok $N\n" }
elsif ( defined($a) && ! defined($x)) {
ctrlfix(my $msg = "expected UNDEF, got <$a>");
print "not ok $N \# $msg\n";
}
elsif (! defined($a) && defined($x)) {
ctrlfix(my $msg = "expected <$x>, got UNDEF");
print "not ok $N \# $msg\n";
} elsif ($a eq $x) { print "ok $N\n" }
else {
ctrlfix(my $msg = "expected <$x>, got <$a>");
print "not ok $N \# $msg\n";
}
} else {
die "expect() got ", scalar(@_), " args, should have been 1 or 2";
}
$N++;
}
sub ctrlfix {
for (@_) {
s/\n/\\n/g;
s/\r/\\r/g;
}
}
END {
undef $o;
untie @a;
1 while unlink $file;
}
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