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#!/usr/bin/perl
# '$Id: 10dump.t,v 1.6 2004/08/03 04:52:28 ovid Exp $';
use warnings;
use strict;
use Test::More tests => 24;
my $CLASS;
BEGIN
{
chdir 't' if -d 't';
unshift @INC => '../lib';
$CLASS = 'Data::Dumper::Simple';
use_ok($CLASS) or die;
}
my $scalar = 'Ovid';
my @array = qw/Data Dumper Simple Rocks!/;
my %hash = (
at => 'least',
I => 'hope',
it => 'does',
);
is(Dumper($scalar), "\$scalar = 'Ovid';\n",
'... and dumped variables are named');
is(Dumper(\$scalar), "\$scalar = 'Ovid';\n",
'... and dumping a scalar as a reference is a no-op');
my $expected = Data::Dumper->Dump([\@array], ['*array']);
is(Dumper(@array), $expected, '... and arrays should not flatten');
$expected = Data::Dumper->Dump([\@array], ['$array']);
is(Dumper(\@array), $expected, '... but they DWIM if I take a take a reference to them');
$expected = Data::Dumper->Dump(
[$scalar, \@array, \%hash],
[qw/$scalar *array *hash/]
);
is(Dumper($scalar, @array, %hash), $expected,
'... or have a list of them');
$expected = Data::Dumper->Dump(
[$scalar, \@array, \%hash],
[qw/$scalar $array $hash/]
);
is(Dumper($scalar, \@array, \%hash), $expected,
'... or a list of references');
$expected = Data::Dumper->Dump(
[$scalar, \@array, \%hash],
[qw/$scalar *array *hash/]
);
is(
Dumper(
$scalar =>
@array =>
%hash
),
$expected,
'... or fat commas "=>"');
is(
Dumper( $scalar => @array =>
%hash
),
$expected,
'... regardless of whitespace');
is(
Dumper(
$scalar,
@array,
%hash
),
$expected,
'... and even do the right thing if there are newlines in the arg list');
$Data::Dumper::Indent = 1;
$expected = Data::Dumper->Dump(
[$scalar, \@array, \%hash],
[qw/$scalar *array *hash/]
);
is(Dumper($scalar, @array, %hash), $expected,
'... and $Data::Dumper::Indent is respected');
my $foo = { hash => 'ref' };
my @foo = qw/foo bar baz/;
$expected = Data::Dumper->Dump(
[$foo, \@foo],
[qw/$foo $foo/],
);
is(Dumper($foo, \@foo), $expected,
'... and a reference to a simarly named variable won\'t confuse things');
is(Dumper(\$foo, \@foo), $expected,
'... even if we take references to both of them.');
is(Dumper($array[2]), "\$array[2] = 'Simple';\n",
"Indexed items in arrays are dumped intuitively.");
my $aref = \@array;
is(Dumper($aref->[2]), "\$aref->[2] = 'Simple';\n",
"... even if they're references");
is(Dumper($hash{at}), "\$hash{at} = 'least';\n",
"Indexed items in hashes are dumped intuitively");
my $href = \%hash;
is(Dumper($href->{at}), "\$href->{at} = 'least';\n",
"... even if they're references");
my @array2 = (
[qw/foo bar baz/],
[qw/one two three/],
);
$expected = Data::Dumper->Dump(
[$array2[1][2]],
[qw/$array2[1][2]/]
);
is(Dumper($array2[1][2]), $expected,
'Multi-dimensioanl arrays should be handled correctly');
my ($w, $x) = (1,2);
$expected = Data::Dumper->Dump(
[$array2[$w][$x]],
[qw/$array2[$w][$x]/]
);
is(Dumper($array2[$w][$x]), $expected,
'... even if the indexes are also variables');
my %hash2 = (
first => { this => 'that' },
second => { next => 1 },
);
$expected = Data::Dumper->Dump(
[$hash2{second}{next}],
[qw/*hash2{second}{next}/]
);
is( Dumper($hash2{second}{next}), $expected,
'Multi-level hashes should be handled correctly');
my ($y, $z) = qw/second next/;
$expected = Data::Dumper->Dump(
[$hash2{$y}{$z}],
[qw/*hash2{$y}{$z}/]
);
is( Dumper($hash2{$y}{$z}), $expected,
'... even if the indexes are variables');
eval "
# Dumper($foo);
";
ok(! $@, 'Commenting out a dumper item should not throw an exception');
$foo = [4, 17];
$expected = Data::Dumper->Dump([$foo->[ 1 ]],[qw/$foo->[1]/]);
is(Dumper($foo->[ 1 ]), $expected,
'Extra whitespace in the variable should not break things');
my @a = ({foo => 'bar'});
# this might break in the future. For now, it *has* to work because any
# variable that begins with a dollar sigil will automatically be treated
# as a scalar. If, in the future, we incorporate slices, this might break.
$expected = Data::Dumper->Dump([$a[0]],['$a[0]']);
is(Dumper($a[0]), $expected,
'Indexing into a variable will force a reference');
|
