#!/usr/bin/perl -w
-#
+#
# Basic test suite for Tie::RefHash and Tie::RefHash::Nestable.
-#
+#
# The testing is in two parts: first, run lots of tests on both a tied
# hash and an ordinary un-tied hash, and check they give the same
# answer. Then there are tests for those cases where the tied hashes
# should behave differently to normal hashes, that is, when using
# references as keys.
-#
+#
BEGIN {
chdir 't' if -d 't';
- @INC = '.';
+ @INC = '.';
push @INC, '../lib';
-}
+}
use strict;
use Tie::RefHash;
# on a tied hash and on a normal hash, and checking that the results
# are the same. This does of course assume that Perl hashes are not
# buggy :-)
-#
+#
my @tests = standard_hash_tests();
+
my @ordinary_results = runtests(\@tests, undef);
foreach my $class ('Tie::RefHash', 'Tie::RefHash::Nestable') {
my @tied_results = runtests(\@tests, $class);
foreach my $i (0 .. $#ordinary_results) {
my ($or, $ow, $oe) = @{$ordinary_results[$i]};
my ($tr, $tw, $te) = @{$tied_results[$i]};
-
+
my $ok = 1;
local $^W = 0;
$ok = 0 if (defined($or) != defined($tr)) or ($or ne $tr);
$ok = 0 if (defined($ow) != defined($tw)) or ($ow ne $tw);
$ok = 0 if (defined($oe) != defined($te)) or ($oe ne $te);
-
+
if (not $ok) {
print STDERR
"failed for $class: $tests[$i]\n",
# Now test Tie::RefHash's special powers
my (%h, $h);
-eval { $h = tie %h, 'Tie::RefHash' };
+$h = eval { tie %h, 'Tie::RefHash' };
warn $@ if $@;
test(not $@);
test(ref($h) eq 'Tie::RefHash');
untie %h;
# And now Tie::RefHash::Nestable's differences from Tie::RefHash.
-eval { $h = tie %h, 'Tie::RefHash::Nestable' };
+$h = eval { tie %h, 'Tie::RefHash::Nestable' };
warn $@ if $@;
test(not $@);
test(ref($h) eq 'Tie::RefHash::Nestable');
test((keys %{$h{$ref}}) == 1);
test((keys %{$h{$ref}})[0] eq $ref1);
+
die "expected to run $numtests tests, but ran ", $currtest - 1
if $currtest - 1 != $numtests;
+
+@tests = ();
+undef $ref;
+undef $ref1;
+
exit();
# Print 'ok X' if true, 'not ok X' if false
# Uses global $currtest.
-#
+#
sub test {
my $t = shift;
print 'not ' if not $t;
}
-# Wrapper for Data::Dumper to 'dump' a scalar as an EXPR string.
+# Wrapper for Data::Dumper to 'dump' a scalar as an EXPR string.
sub dumped {
my $s = shift;
my $d = Dumper($s);
# Crudely dump a hash into a canonical string representation (because
# hash keys can appear in any order, Data::Dumper may give different
# strings for the same hash).
-#
+#
sub dumph {
my $h = shift;
my $r = '';
}
# Run the tests and give results.
-#
+#
# Parameters: reference to list of tests to run
# name of class to use for tied hash, or undef if not tied
-#
+#
# Returns: list of [R, W, E] tuples, one for each test.
# R is the return value from running the test, W any warnings it gave,
# and E any exception raised with 'die'. E and W will be tidied up a
# little to remove irrelevant details like line numbers :-)
-#
+#
# Will also run a few of its own 'ok N' tests.
-#
+#
sub runtests {
my ($tests, $class) = @_;
my @r;
my (%h, $h);
if (defined $class) {
- eval { $h = tie %h, $class };
+ $h = eval { tie %h, $class };
warn $@ if $@;
test(not $@);
test(ref($h) eq $class);
my ($result, $warning, $exception);
local $SIG{__WARN__} = sub { $warning .= $_[0] };
$result = scalar(eval $_);
- $exception = $@ if $@;
+ if ($@)
+ {
+ die "$@:$_" unless defined $class;
+ $exception = $@;
+ }
foreach ($warning, $exception) {
next if not defined;
# Things that should work just the same for an ordinary hash and a
# Tie::RefHash.
-#
+#
# Each test is a code string to be eval'd, it should do something with
# %h and give a scalar return value. The global $ref and $ref1 may
# also be used.
-#
+#
# One thing we don't test is that the ordering from 'keys', 'values'
# and 'each' is the same. You can't reasonably expect that.
-#
+#
sub standard_hash_tests {
my @r;
my $STD_TESTS = <<'END'
join $;, sort keys %h;
join $;, sort values %h;
- { my ($v, %tmp); %tmp{$v}++ while (defined($v = each %h)); dumph(\%tmp) }
- { my ($k, $v, %tmp); $tmp{"$k$;$v"}++ while (($k, $v) = each %h); dumph(\%t
-mp) }
+ { my ($v, %tmp); $tmp{$v}++ while (defined($v = each %h)); dumph(\%tmp) }
+ { my ($k, $v, %tmp); $tmp{"$k$;$v"}++ while (($k, $v) = each %h); dumph(\%tmp) }
END
;
-
+
# Tests on the existence of the element 'foo'
my $FOO_TESTS = <<'END'
defined $h{foo};
exists $h{foo};
- $h{foo};
+ $h{foo};
END
;
;
}
}
-
+
# Test hash slices
my @slicetests;
@slicetests = split /\n/, <<'END'
- @h{} = ();
- @h{} = ('a');
@h{'b'} = ();
@h{'c'} = ('d');
@h{'e'} = ('f', 'g');
}
# Test CLEAR
- push @r, 'clear %h', split(/\n/, $STD_TESTS);
+ push @r, '%h = ();', split(/\n/, $STD_TESTS);
return @r;
}