#!/usr/bin/perl -w

BEGIN {
    if( $ENV{PERL_CORE} ) {
        chdir 't';
        @INC = ('../lib', 'lib');
    }
    else {
        unshift @INC, 't/lib';
    }
}

use strict;
use warnings;

use Test::Builder;
require Test::Simple::Catch;
my($out, $err) = Test::Simple::Catch::caught();
Test::Builder->new->no_header(1);
Test::Builder->new->no_ending(1);
local $ENV{HARNESS_ACTIVE} = 0;


# Can't use Test.pm, that's a 5.005 thing.
package main;


my $TB = Test::Builder->create;
$TB->plan(tests => 110);

# Utility testing functions.
sub ok ($;$) {
    return $TB->ok(@_);
}

sub is ($$;$) {
    my($thing, $that, $name) = @_;

    my $ok = $TB->is_eq($$thing, $that, $name);

    $$thing = '';

    return $ok;
}

sub like ($$;$) {
    my($thing, $regex, $name) = @_;
    $regex = "/$regex/" if !ref $regex and $regex !~ m{^/.*/$}s;

    my $ok = $TB->like($$thing, $regex, $name);

    $$thing = '';

    return $ok;
}


require Test::More;
Test::More->import(tests => 11, import => ['is_deeply']);

my $Filename = quotemeta $0;

#line 68
ok !is_deeply('foo', 'bar', 'plain strings');
is( $out, "not ok 1 - plain strings\n",     'plain strings' );
is( $err, <<ERR,                            '    right diagnostic' );
#   Failed test 'plain strings'
#   at $0 line 68.
#          got: 'foo'
#     expected: 'bar'
ERR


#line 78
ok !is_deeply({}, [], 'different types');
is( $out, "not ok 2 - different types\n",   'different types' );
like( $err, <<ERR,                          '   right diagnostic' );
#   Failed test 'different types'
#   at $Filename line 78.
#     Structures begin differing at:
#          \\\$got = HASH\\(0x[0-9a-f]+\\)
#     \\\$expected = ARRAY\\(0x[0-9a-f]+\\)
ERR

#line 88
ok !is_deeply({ this => 42 }, { this => 43 }, 'hashes with different values');
is( $out, "not ok 3 - hashes with different values\n", 
                                        'hashes with different values' );
is( $err, <<ERR,                        '   right diagnostic' );
#   Failed test 'hashes with different values'
#   at $0 line 88.
#     Structures begin differing at:
#          \$got->{this} = '42'
#     \$expected->{this} = '43'
ERR

#line 99
ok !is_deeply({ that => 42 }, { this => 42 }, 'hashes with different keys');
is( $out, "not ok 4 - hashes with different keys\n",
                                        'hashes with different keys' );
is( $err, <<ERR,                        '    right diagnostic' );
#   Failed test 'hashes with different keys'
#   at $0 line 99.
#     Structures begin differing at:
#          \$got->{this} = Does not exist
#     \$expected->{this} = '42'
ERR

#line 110
ok !is_deeply([1..9], [1..10],    'arrays of different length');
is( $out, "not ok 5 - arrays of different length\n",
                                        'arrays of different length' );
is( $err, <<ERR,                        '    right diagnostic' );
#   Failed test 'arrays of different length'
#   at $0 line 110.
#     Structures begin differing at:
#          \$got->[9] = Does not exist
#     \$expected->[9] = '10'
ERR

#line 121
ok !is_deeply([undef, undef], [undef], 'arrays of undefs' );
is( $out, "not ok 6 - arrays of undefs\n",  'arrays of undefs' );
is( $err, <<ERR,                            '    right diagnostic' );
#   Failed test 'arrays of undefs'
#   at $0 line 121.
#     Structures begin differing at:
#          \$got->[1] = undef
#     \$expected->[1] = Does not exist
ERR

#line 131
ok !is_deeply({ foo => undef }, {},    'hashes of undefs' );
is( $out, "not ok 7 - hashes of undefs\n",  'hashes of undefs' );
is( $err, <<ERR,                            '    right diagnostic' );
#   Failed test 'hashes of undefs'
#   at $0 line 131.
#     Structures begin differing at:
#          \$got->{foo} = undef
#     \$expected->{foo} = Does not exist
ERR

#line 141
ok !is_deeply(\42, \23,   'scalar refs');
is( $out, "not ok 8 - scalar refs\n",   'scalar refs' );
is( $err, <<ERR,                        '    right diagnostic' );
#   Failed test 'scalar refs'
#   at $0 line 141.
#     Structures begin differing at:
#     \${     \$got} = '42'
#     \${\$expected} = '23'
ERR

#line 151
ok !is_deeply([], \23,    'mixed scalar and array refs');
is( $out, "not ok 9 - mixed scalar and array refs\n",
                                        'mixed scalar and array refs' );
like( $err, <<ERR,                      '    right diagnostic' );
#   Failed test 'mixed scalar and array refs'
#   at $Filename line 151.
#     Structures begin differing at:
#          \\\$got = ARRAY\\(0x[0-9a-f]+\\)
#     \\\$expected = SCALAR\\(0x[0-9a-f]+\\)
ERR


my($a1, $a2, $a3);
$a1 = \$a2;  $a2 = \$a3;
$a3 = 42;

my($b1, $b2, $b3);
$b1 = \$b2;  $b2 = \$b3;
$b3 = 23;

#line 173
ok !is_deeply($a1, $b1, 'deep scalar refs');
is( $out, "not ok 10 - deep scalar refs\n",     'deep scalar refs' );
is( $err, <<ERR,                              '    right diagnostic' );
#   Failed test 'deep scalar refs'
#   at $0 line 173.
#     Structures begin differing at:
#     \${\${     \$got}} = '42'
#     \${\${\$expected}} = '23'
ERR

# I don't know how to properly display this structure.
# $a2 = { foo => \$a3 };
# $b2 = { foo => \$b3 };
# is_deeply([$a1], [$b1], 'deep mixed scalar refs');

my $foo = {
           this => [1..10],
           that => { up => "down", left => "right" },
          };

my $bar = {
           this => [1..10],
           that => { up => "down", left => "right", foo => 42 },
          };

#line 198
ok !is_deeply( $foo, $bar, 'deep structures' );
ok( @Test::More::Data_Stack == 0, '@Data_Stack not holding onto things' );
is( $out, "not ok 11 - deep structures\n",  'deep structures' );
is( $err, <<ERR,                            '    right diagnostic' );
#   Failed test 'deep structures'
#   at $0 line 198.
#     Structures begin differing at:
#          \$got->{that}{foo} = Does not exist
#     \$expected->{that}{foo} = '42'
ERR


#line 221
my @tests = ([],
             [qw(42)],
             [qw(42 23), qw(42 23)]
            );

foreach my $test (@tests) {
    my $num_args = @$test;

    my $warning;
    local $SIG{__WARN__} = sub { $warning .= join '', @_; };
    ok !is_deeply(@$test);

    like \$warning, 
         "/^is_deeply\\(\\) takes two or three args, you gave $num_args\.\n/";
}


#line 240
# [rt.cpan.org 6837]
ok !is_deeply([{Foo => undef}],[{Foo => ""}]), 'undef != ""';
ok( @Test::More::Data_Stack == 0, '@Data_Stack not holding onto things' );


#line 258
# [rt.cpan.org 7031]
my $a = [];
ok !is_deeply($a, $a.''),       "don't compare refs like strings";
ok !is_deeply([$a], [$a.'']),   "  even deep inside";


#line 265
# [rt.cpan.org 7030]
ok !is_deeply( {}, {key => []} ),  '[] could match non-existent values';
ok !is_deeply( [], [[]] );


#line 273
$$err = $$out = '';
ok !is_deeply( [\'a', 'b'], [\'a', 'c'] );
is( $out, "not ok 20\n",  'scalar refs in an array' );
is( $err, <<ERR,        '    right diagnostic' );
#   Failed test at $0 line 274.
#     Structures begin differing at:
#          \$got->[1] = 'b'
#     \$expected->[1] = 'c'
ERR


#line 285
my $ref = \23;
ok !is_deeply( 23, $ref );
is( $out, "not ok 21\n", 'scalar vs ref' );
is( $err, <<ERR,        '  right diagnostic');
#   Failed test at $0 line 286.
#     Structures begin differing at:
#          \$got = '23'
#     \$expected = $ref
ERR

#line 296
ok !is_deeply( $ref, 23 );
is( $out, "not ok 22\n", 'ref vs scalar' );
is( $err, <<ERR,        '  right diagnostic');
#   Failed test at $0 line 296.
#     Structures begin differing at:
#          \$got = $ref
#     \$expected = '23'
ERR

#line 306
ok !is_deeply( undef, [] );
is( $out, "not ok 23\n", 'is_deeply and undef [RT 9441]' );
like( $err, <<ERR,	 '  right diagnostic' );
#   Failed test at $Filename line 306\\.
#     Structures begin differing at:
#          \\\$got = undef
#     \\\$expected = ARRAY\\(0x[0-9a-f]+\\)
ERR


# rt.cpan.org 8865
{
    my $array = [];
    my $hash  = {};

#line 321
    ok !is_deeply( $array, $hash );
    is( $out, "not ok 24\n", 'is_deeply and different reference types' );
    is( $err, <<ERR, 	     '  right diagnostic' );
#   Failed test at $0 line 321.
#     Structures begin differing at:
#          \$got = $array
#     \$expected = $hash
ERR

#line 332
    ok !is_deeply( [$array], [$hash] );
    is( $out, "not ok 25\n", 'nested different ref types' );
    is( $err, <<ERR,	     '  right diagnostic' );
#   Failed test at $0 line 332.
#     Structures begin differing at:
#          \$got->[0] = $array
#     \$expected->[0] = $hash
ERR


    # Overloaded object tests
    {
	my $foo = bless [], "Foo";
	my $bar = bless {}, "Bar";

	{
	    package Bar;
	    "overload"->import(q[""] => sub { "wibble" });
	}

#line 353
	ok !is_deeply( [$foo], [$bar] );
	is( $out, "not ok 26\n", 'string overloaded refs respected in diag' );
	is( $err, <<ERR,	     '  right diagnostic' );
#   Failed test at $0 line 353.
#     Structures begin differing at:
#          \$got->[0] = $foo
#     \$expected->[0] = 'wibble'
ERR

    }
}


# rt.cpan.org 14746
{
# line 349
    ok !is_deeply( sub {"foo"}, sub {"bar"} ), 'function refs';
    is( $out, "not ok 27\n" );
    like( $err, <<ERR,	     '  right diagnostic' );
#   Failed test at $Filename line 349.
#     Structures begin differing at:
#          \\\$got = CODE\\(0x[0-9a-f]+\\)
#     \\\$expected = CODE\\(0x[0-9a-f]+\\)
ERR


    use Symbol;
    my $glob1 = gensym;
    my $glob2 = gensym;

#line 357
    ok !is_deeply( $glob1, $glob2 ), 'typeglobs';
    is( $out, "not ok 28\n" );
    like( $err, <<ERR,	     '  right diagnostic' );
#   Failed test at $Filename line 357.
#     Structures begin differing at:
#          \\\$got = GLOB\\(0x[0-9a-f]+\\)
#     \\\$expected = GLOB\\(0x[0-9a-f]+\\)
ERR

}


# rt.cpan.org 53469
{

    # Accept both old and new-style stringification
    my $modifiers = (qr/foobar/ =~ /\Q(?^/) ? '^' : '-xism';
#line 380
    ok !is_deeply( qr/a/, qr/b/, "different regexes" );
    is( $out, "not ok 29 - different regexes\n" );
    is( $err, <<ERR,          '  right diagnostic' );
#   Failed test 'different regexes'
#   at $0 line 380.
#     Structures begin differing at:
#          \$got = (?$modifiers:a)
#     \$expected = (?$modifiers:b)
ERR
}


# false values that should not compare equal
{
    ok !is_deeply( 0, '', "0 != ''" );
    is( $out, "not ok 30 - 0 != ''\n" );
    ok !is_deeply( 0, undef, "0 != undef" );
    is( $out,    "not ok 31 - 0 != undef\n" );
    ok !is_deeply( '', undef, "'' != undef" );
    is( $out,     "not ok 32 - '' != undef\n" );

    ok !is_deeply( [0], [''], "[0] != ['']" );
    is( $out,     "not ok 33 - [0] != ['']\n" );
    ok !is_deeply( [0], [undef], "[0] != [undef]" );
    is( $out,        "not ok 34 - [0] != [undef]\n" );
    ok !is_deeply( [''], [undef], "[''] != [undef]" );
    is( $out,         "not ok 35 - [''] != [undef]\n" );

    ok !is_deeply( [0], [], "[0] != []" );
    is( $out,   "not ok 36 - [0] != []\n" );
    ok !is_deeply( [undef], [], "[undef] != []" );
    is( $out,       "not ok 37 - [undef] != []\n" );
    ok !is_deeply( [''], [], "[''] != []" );
    is( $out,    "not ok 38 - [''] != []\n" );

    ok !is_deeply( {x => 0}, {x => ''}, "{x => 0} != {x => ''}" );
    is( $out,               "not ok 39 - {x => 0} != {x => ''}\n" );
    ok !is_deeply( {x => 0}, {x => undef}, "{x => 0} != {x => undef}" );
    is( $out,                  "not ok 40 - {x => 0} != {x => undef}\n" );
    ok !is_deeply( {x => ''}, {x => undef}, "{x => ''} != {x => undef}" );
    is( $out,                   "not ok 41 - {x => ''} != {x => undef}\n" );
}

# this will also happily fail before 5.10, even though there's no VSTRING ref type
{
    my $version1 = v1.2.3;
    my $version2 = v1.2.4;
    ok !is_deeply( [\\$version1], [\\$version2], "version objects");
    is( $out, "not ok 42 - version objects\n" );
}

{
    my $version1 = v1.2.3;
    my $version2 = '' . v1.2.3;
    ok is_deeply( [\$version1], [\$version2], "version objects");
    is( $out, "ok 43 - version objects\n" );
}

{
    my $version1 = v1.2.3;
    my $version2 = v1.2.3;
    ok !is_deeply( [$version1], [\$version2], "version objects");
    is( $out, "not ok 44 - version objects\n" );
}

{
    my $string = "abc";
    my $string2 = "b";
    ok is_deeply( [\substr($string, 1, 1)], [\$string2], "lvalue ref");
    is( $out, "ok 45 - lvalue ref\n" );
}

{
    my $string = "b";
    my $string2 = "b";
    ok !is_deeply( [\substr($string, 1, 1)], ["b"], "lvalue ref");
    is( $out, "not ok 46 - lvalue ref\n" );
}
