[perl5.git] / t / op / smartmatch.t

#!./perl

BEGIN {
    chdir 't';
    @INC = '../lib';
    require './test.pl';
}
use strict;
use warnings;
no warnings 'uninitialized';
no warnings 'experimental::smartmatch';

use Tie::Array;
use Tie::Hash;

# Predeclare vars used in the tests:
my @empty;
my %empty;
my @sparse; $sparse[2] = 2;

my $deep1 = []; push @$deep1, $deep1;
my $deep2 = []; push @$deep2, $deep2;

my @nums = (1..10);
tie my @tied_nums, 'Tie::StdArray';
@tied_nums =  (1..10);

my %hash = (foo => 17, bar => 23);
tie my %tied_hash, 'Tie::StdHash';
%tied_hash = %hash;

{
    package Test::Object::NoOverload;
    sub new { bless { key => 1 } }
}

{
    package Test::Object::StringOverload;
    use overload '""' => sub { "object" }, fallback => 1;
    sub new { bless { key => 1 } }
}

{
    package Test::Object::WithOverload;
    sub new { bless { key => ($_[1] // 'magic') } }
    use overload '~~' => sub {
	my %hash = %{ $_[0] };
	if ($_[2]) { # arguments reversed ?
	    return $_[1] eq reverse $hash{key};
	}
	else {
	    return $_[1] eq $hash{key};
	}
    };
    use overload '""' => sub { "stringified" };
    use overload 'eq' => sub {"$_[0]" eq "$_[1]"};
}

our $ov_obj = Test::Object::WithOverload->new;
our $ov_obj_2 = Test::Object::WithOverload->new("object");
our $obj = Test::Object::NoOverload->new;
our $str_obj = Test::Object::StringOverload->new;

my %refh;
unless (is_miniperl()) {
    require Tie::RefHash;
    tie %refh, 'Tie::RefHash';
    $refh{$ov_obj} = 1;
}

my @keyandmore = qw(key and more);
my @fooormore = qw(foo or more);
my %keyandmore = map { $_ => 0 } @keyandmore;
my %fooormore = map { $_ => 0 } @fooormore;

# Load and run the tests
plan tests => 349;

while (<DATA>) {
  SKIP: {
    next if /^#/ || !/\S/;
    chomp;
    my ($yn, $left, $right, $note) = split /\t+/;

    local $::TODO = $note =~ /TODO/;

    die "Bad test spec: ($yn, $left, $right)" if $yn =~ /[^!@=]/;

    my $tstr = "$left ~~ $right";

    test_again:
    my $res;
    if ($note =~ /NOWARNINGS/) {
	$res = eval "no warnings; $tstr";
    }
    else {
	skip_if_miniperl("Doesn't work with miniperl", $yn =~ /=/ ? 2 : 1)
	    if $note =~ /MINISKIP/;
	$res = eval $tstr;
    }

    chomp $@;

    if ( $yn =~ /@/ ) {
	ok( $@ ne '', "$tstr dies" )
	    and print "# \$\@ was: $@\n";
    } else {
	my $test_name = $tstr . ($yn =~ /!/ ? " does not match" : " matches");
	if ( $@ ne '' ) {
	    fail($test_name);
	    print "# \$\@ was: $@\n";
	} else {
	    ok( ($yn =~ /!/ xor $res), $test_name );
	}
    }

    if ( $yn =~ s/=// ) {
	$tstr = "$right ~~ $left";
	goto test_again;
    }
  }
}

sub foo {}
sub bar {42}
sub gorch {42}
sub fatal {die "fatal sub\n"}

# to test constant folding
sub FALSE() { 0 }
sub TRUE() { 1 }
sub NOT_DEF() { undef }

# Prefix character :
#   - expected to match
# ! - expected to not match
# @ - expected to be a compilation failure
# = - expected to match symmetrically (runs test twice)
# Data types to test :
#   undef
#   Object-overloaded
#   Object
#   Coderef
#   Hash
#   Hashref
#   Array
#   Arrayref
#   Tied arrays and hashes
#   Arrays that reference themselves
#   Regex (// and qr//)
#   Range
#   Num
#   Str
# Other syntactic items of interest:
#   Constants
#   Values returned by a sub call
__DATA__
# Any ~~ undef
!	$ov_obj		undef
!	$obj		undef
!	sub {}		undef
!	%hash		undef
!	\%hash		undef
!	{}		undef
!	@nums		undef
!	\@nums		undef
!	[]		undef
!	%tied_hash	undef
!	@tied_nums	undef
!	$deep1		undef
!	/foo/		undef
!	qr/foo/		undef
!	21..30		undef
!	189		undef
!	"foo"		undef
!	""		undef
!	!1		undef
	undef		undef
	(my $u)		undef
	NOT_DEF		undef
	&NOT_DEF	undef

# Any ~~ object overloaded
!	\&fatal		$ov_obj
	'cigam'		$ov_obj
!	'cigam on'	$ov_obj
!	['cigam']	$ov_obj
!	['stringified']	$ov_obj
!	{ cigam => 1 }	$ov_obj
!	{ stringified => 1 }	$ov_obj
!	$obj		$ov_obj
!	undef		$ov_obj

# regular object
@	$obj		$obj
@	$ov_obj		$obj
=@	\&fatal		$obj
@	\&FALSE		$obj
@	\&foo		$obj
@	sub { 1 }	$obj
@	sub { 0 }	$obj
@	%keyandmore	$obj
@	{"key" => 1}	$obj
@	@fooormore	$obj
@	["key" => 1]	$obj
@	/key/		$obj
@	qr/key/		$obj
@	"key"		$obj
@	FALSE		$obj

# regular object with "" overload
@	$obj		$str_obj
=@	\&fatal		$str_obj
@	\&FALSE		$str_obj
@	\&foo		$str_obj
@	sub { 1 }	$str_obj
@	sub { 0 }	$str_obj
@	%keyandmore	$str_obj
@	{"object" => 1}	$str_obj
@	@fooormore	$str_obj
@	["object" => 1]	$str_obj
@	/object/	$str_obj
@	qr/object/	$str_obj
@	"object"	$str_obj
@	FALSE		$str_obj
# Those will treat the $str_obj as a string because of fallback:

# object (overloaded or not) ~~ Any
	$obj		qr/NoOverload/
	$ov_obj		qr/^stringified$/
=	"$ov_obj"	"stringified"
=	"$str_obj"	"object"
!=	$ov_obj		"stringified"
	$str_obj	"object"
	$ov_obj		'magic'
!	$ov_obj		'not magic'

# ~~ Coderef
	sub{0}		sub { ref $_[0] eq "CODE" }
	%fooormore	sub { $_[0] =~ /^(foo|or|more)$/ }
!	%fooormore	sub { $_[0] =~ /^(foo|or|less)$/ }
	\%fooormore	sub { $_[0] =~ /^(foo|or|more)$/ }
!	\%fooormore	sub { $_[0] =~ /^(foo|or|less)$/ }
	+{%fooormore}	sub { $_[0] =~ /^(foo|or|more)$/ }
!	+{%fooormore}	sub { $_[0] =~ /^(foo|or|less)$/ }
	@fooormore	sub { $_[0] =~ /^(foo|or|more)$/ }
!	@fooormore	sub { $_[0] =~ /^(foo|or|less)$/ }
	\@fooormore	sub { $_[0] =~ /^(foo|or|more)$/ }
!	\@fooormore	sub { $_[0] =~ /^(foo|or|less)$/ }
	[@fooormore]	sub { $_[0] =~ /^(foo|or|more)$/ }
!	[@fooormore]	sub { $_[0] =~ /^(foo|or|less)$/ }
	%fooormore	sub{@_==1}
	@fooormore	sub{@_==1}
	"foo"		sub { $_[0] =~ /^(foo|or|more)$/ }
!	"more"		sub { $_[0] =~ /^(foo|or|less)$/ }
	/fooormore/	sub{ref $_[0] eq 'Regexp'}
	qr/fooormore/	sub{ref $_[0] eq 'Regexp'}
	1		sub{shift}
!	0		sub{shift}
!	undef		sub{shift}
	undef		sub{not shift}
	NOT_DEF		sub{not shift}
	&NOT_DEF	sub{not shift}
	FALSE		sub{not shift}
	[1]		\&bar
	{a=>1}		\&bar
	qr//		\&bar
!	[1]		\&foo
!	{a=>1}		\&foo
	$obj		sub { ref($_[0]) =~ /NoOverload/ }
	$ov_obj		sub { ref($_[0]) =~ /WithOverload/ }
# empty stuff matches, because the sub is never called:
	[]		\&foo
	{}		\&foo
	@empty		\&foo
	%empty		\&foo
!	qr//		\&foo
!	undef		\&foo
	undef		\&bar
@	undef		\&fatal
@	1		\&fatal
@	[1]		\&fatal
@	{a=>1}		\&fatal
@	"foo"		\&fatal
@	qr//		\&fatal
# sub is not called on empty hashes / arrays
	[]		\&fatal
	+{}		\&fatal
	@empty		\&fatal
	%empty		\&fatal
# sub is not special on the left
	sub {0}		qr/^CODE/
	sub {0}		sub { ref shift eq "CODE" }

# HASH ref against:
#   - another hash ref
	{}		{}
=!	{}		{1 => 2}
	{1 => 2}	{1 => 2}
	{1 => 2}	{1 => 3}
=!	{1 => 2}	{2 => 3}
=	\%main::	{map {$_ => 'x'} keys %main::}

#  - tied hash ref
=	\%hash		\%tied_hash
	\%tied_hash	\%tied_hash
!=	{"a"=>"b"}	\%tied_hash
=	%hash		%tied_hash
	%tied_hash	%tied_hash
!=	{"a"=>"b"}	%tied_hash
	$ov_obj		%refh		MINISKIP
!	"$ov_obj"	%refh		MINISKIP
	[$ov_obj]	%refh		MINISKIP
!	["$ov_obj"]	%refh		MINISKIP
	%refh		%refh		MINISKIP

#  - an array ref
#  (since this is symmetrical, tests as well hash~~array)
=	[keys %main::]	\%::
=	[qw[STDIN STDOUT]]	\%::
=!	[]		\%::
=!	[""]		{}
=!	[]		{}
=!	@empty		{}
=	[undef]		{"" => 1}
=	[""]		{"" => 1}
=	["foo"]		{ foo => 1 }
=	["foo", "bar"]	{ foo => 1 }
=	["foo", "bar"]	\%hash
=	["foo"]		\%hash
=!	["quux"]	\%hash
=	[qw(foo quux)]	\%hash
=	@fooormore	{ foo => 1, or => 2, more => 3 }
=	@fooormore	%fooormore
=	@fooormore	\%fooormore
=	\@fooormore	%fooormore

#  - a regex
=	qr/^(fo[ox])$/		{foo => 1}
=	/^(fo[ox])$/		%fooormore
=!	qr/[13579]$/		+{0..99}
=!	qr/a*/			{}
=	qr/a*/			{b=>2}
=	qr/B/i			{b=>2}
=	/B/i			{b=>2}
=!	qr/a+/			{b=>2}
=	qr/^à/			{"à"=>2}

#  - a scalar
	"foo"		+{foo => 1, bar => 2}
	"foo"		%fooormore
!	"baz"		+{foo => 1, bar => 2}
!	"boz"		%fooormore
!	1		+{foo => 1, bar => 2}
!	1		%fooormore
	1		{ 1 => 3 }
	1.0		{ 1 => 3 }
!	"1.0"		{ 1 => 3 }
!	"1.0"		{ 1.0 => 3 }
	"1.0"		{ "1.0" => 3 }
	"à"		{ "à" => "À" }

#  - undef
!	undef		{ hop => 'zouu' }
!	undef		%hash
!	undef		+{"" => "empty key"}
!	undef		{}

# ARRAY ref against:
#  - another array ref
	[]			[]
=!	[]			[1]
	[["foo"], ["bar"]]	[qr/o/, qr/a/]
!	[["foo"], ["bar"]]	[qr/ARRAY/, qr/ARRAY/]
	["foo", "bar"]		[qr/o/, qr/a/]
!	[qr/o/, qr/a/]		["foo", "bar"]
	["foo", "bar"]		[["foo"], ["bar"]]
!	["foo", "bar"]		[qr/o/, "foo"]
	["foo", undef, "bar"]	[qr/o/, undef, "bar"]
!	["foo", undef, "bar"]	[qr/o/, "",    "bar"]
!	["foo", "", "bar"]	[qr/o/, undef, "bar"]
	$deep1			$deep1
	@$deep1			@$deep1
!	$deep1			$deep2

=	\@nums			\@tied_nums
=	@nums			\@tied_nums
=	\@nums			@tied_nums
=	@nums			@tied_nums

#  - an object
!	$obj		@fooormore
	$obj		[sub{ref shift}]

#  - a regex
=	qr/x/		[qw(foo bar baz quux)]
=!	qr/y/		[qw(foo bar baz quux)]
=	/x/		[qw(foo bar baz quux)]
=!	/y/		[qw(foo bar baz quux)]
=	/FOO/i		@fooormore
=!	/bar/		@fooormore

# - a number
	2		[qw(1.00 2.00)]
	2		[qw(foo 2)]
	2.0_0e+0	[qw(foo 2)]
!	2		[qw(1foo bar2)]

# - a string
!	"2"		[qw(1foo 2bar)]
	"2bar"		[qw(1foo 2bar)]

# - undef
	undef		[1, 2, undef, 4]
!	undef		[1, 2, [undef], 4]
!	undef		@fooormore
	undef		@sparse
	undef		[undef]
!	0		[undef]
!	""		[undef]
!	undef		[0]
!	undef		[""]

# - nested arrays and ~~ distributivity
	11		[[11]]
!	11		[[12]]
	"foo"		[{foo => "bar"}]
!	"bar"		[{foo => "bar"}]

# Number against number
	2		2
	20		2_0
!	2		3
	0		FALSE
	3-2		TRUE
!	undef		0
!	(my $u)		0

# Number against string
=	2		"2"
=	2		"2.0"
!	2		"2bananas"
!=	2_3		"2_3"		NOWARNINGS
	FALSE		"0"
!	undef		"0"
!	undef		""

# Regex against string
	"x"		qr/x/
!	"x"		qr/y/

# Regex against number
	12345		qr/3/
!	12345		qr/7/

# array/hash against string
	@fooormore	"".\@fooormore
!	@keyandmore	"".\@fooormore
	%fooormore	"".\%fooormore
!	%keyandmore	"".\%fooormore

# Test the implicit referencing
	7		@nums
	@nums		\@nums
!	@nums		\\@nums
	@nums		[1..10]
!	@nums		[0..9]

	"foo"		%hash
	/bar/		%hash
	[qw(bar)]	%hash
!	[qw(a b c)]	%hash
	%hash		%hash
	%hash		+{%hash}
	%hash		\%hash
	%hash		%tied_hash
	%tied_hash	%tied_hash
	%hash		{ foo => 5, bar => 10 }
!	%hash		{ foo => 5, bar => 10, quux => 15 }

	@nums		{  1, '',  2, '' }
	@nums		{  1, '', 12, '' }
!	@nums		{ 11, '', 12, '' }

# array slices
	@nums[0..-1]	[]
	@nums[0..0]	[1]
!	@nums[0..1]	[0..2]
	@nums[0..4]	[1..5]

!	undef		@nums[0..-1]
	1		@nums[0..0]
	2		@nums[0..1]
!	@nums[0..1]	2

	@nums[0..1]	@nums[0..1]

# hash slices
	@keyandmore{qw(not)}		[undef]
	@keyandmore{qw(key)}		[0]

	undef				@keyandmore{qw(not)}
	0				@keyandmore{qw(key and more)}
!	2				@keyandmore{qw(key and)}

	@fooormore{qw(foo)}		@keyandmore{qw(key)}
	@fooormore{qw(foo or more)}	@keyandmore{qw(key and more)}

# UNDEF
!	3		undef
!	1		undef
!	[]		undef
!	{}		undef
!	\%::main	undef
!	[1,2]		undef
!	%hash		undef
!	@nums		undef
!	"foo"		undef
!	""		undef
!	!1		undef
!	\&foo		undef
!	sub { }		undef
Commit	Line	Data
0d863452 RH	1	#!./perl
	2
	3	BEGIN {
	4	chdir 't';
	5	@INC = '../lib';
	6	require './test.pl';
	7	}
	8	use strict;
289d21b2 RGS	9	use warnings;
289d21b2 RGS	10	no warnings 'uninitialized';
0f539b13	11	no warnings 'experimental::smartmatch';
0d863452 RH	12
	13	use Tie::Array;
	14	use Tie::Hash;
	15
0d863452	16	# Predeclare vars used in the tests:
031a44ed RGS	17	my @empty;
031a44ed RGS	18	my %empty;
015eb7b9	19	my @sparse; $sparse[2] = 2;
031a44ed	20
1144115d RGS	21	my $deep1 = []; push @$deep1, $deep1;
1144115d RGS	22	my $deep2 = []; push @$deep2, $deep2;
0d863452	23
0d863452 RH	24	my @nums = (1..10);
	25	tie my @tied_nums, 'Tie::StdArray';
	26	@tied_nums = (1..10);
	27
	28	my %hash = (foo => 17, bar => 23);
	29	tie my %tied_hash, 'Tie::StdHash';
	30	%tied_hash = %hash;
	31
1cfb7049 YK	32	{
	33	package Test::Object::NoOverload;
	34	sub new { bless { key => 1 } }
	35	}
	36
	37	{
6fbc735b RGS	38	package Test::Object::StringOverload;
	39	use overload '""' => sub { "object" }, fallback => 1;
	40	sub new { bless { key => 1 } }
	41	}
	42
	43	{
90a32bcb	44	package Test::Object::WithOverload;
6fbc735b	45	sub new { bless { key => ($_[1] // 'magic') } }
2c9d2554 RGS	46	use overload '~~' => sub {
	47	my %hash = %{ $_[0] };
	48	if ($_[2]) { # arguments reversed ?
	49	return $_[1] eq reverse $hash{key};
	50	}
	51	else {
	52	return $_[1] eq $hash{key};
	53	}
	54	};
0483c672	55	use overload '""' => sub { "stringified" };
90a32bcb	56	use overload 'eq' => sub {"$_[0]" eq "$_[1]"};
1cfb7049 YK	57	}
1cfb7049 YK	58
90a32bcb	59	our $ov_obj = Test::Object::WithOverload->new;
6fbc735b	60	our $ov_obj_2 = Test::Object::WithOverload->new("object");
1cfb7049	61	our $obj = Test::Object::NoOverload->new;
6fbc735b	62	our $str_obj = Test::Object::StringOverload->new;
1cfb7049	63
c5836baf	64	my %refh;
d3d1232e NC	65	unless (is_miniperl()) {
d3d1232e NC	66	require Tie::RefHash;
c5836baf RGS	67	tie %refh, 'Tie::RefHash';
	68	$refh{$ov_obj} = 1;
	69	}
b15feb55	70
73aec0b1 RGS	71	my @keyandmore = qw(key and more);
	72	my @fooormore = qw(foo or more);
	73	my %keyandmore = map { $_ => 0 } @keyandmore;
	74	my %fooormore = map { $_ => 0 } @fooormore;
	75
0d863452	76	# Load and run the tests
b900a653	77	plan tests => 349;
0d863452	78
9e079ace	79	while (<DATA>) {
c5836baf	80	SKIP: {
9e079ace RGS	81	next if /^#/ \|\| !/\S/;
9e079ace RGS	82	chomp;
73aec0b1	83	my ($yn, $left, $right, $note) = split /\t+/;
0d863452	84
73aec0b1	85	local $::TODO = $note =~ /TODO/;
0d863452	86
85af77a5	87	die "Bad test spec: ($yn, $left, $right)" if $yn =~ /[^!@=]/;
9e079ace	88
0d863452	89	my $tstr = "$left ~~ $right";
9e079ace	90
85af77a5	91	test_again:
289d21b2 RGS	92	my $res;
	93	if ($note =~ /NOWARNINGS/) {
	94	$res = eval "no warnings; $tstr";
	95	}
	96	else {
d3d1232e NC	97	skip_if_miniperl("Doesn't work with miniperl", $yn =~ /=/ ? 2 : 1)
d3d1232e NC	98	if $note =~ /MINISKIP/;
289d21b2 RGS	99	$res = eval $tstr;
289d21b2 RGS	100	}
0d863452	101
a86f5011 YK	102	chomp $@;
a86f5011 YK	103
85af77a5	104	if ( $yn =~ /@/ ) {
9e079ace RGS	105	ok( $@ ne '', "$tstr dies" )
9e079ace RGS	106	and print "# \$\@ was: $@\n";
a86f5011	107	} else {
85af77a5	108	my $test_name = $tstr . ($yn =~ /!/ ? " does not match" : " matches");
a86f5011	109	if ( $@ ne '' ) {
9e079ace RGS	110	fail($test_name);
9e079ace RGS	111	print "# \$\@ was: $@\n";
a86f5011	112	} else {
85af77a5	113	ok( ($yn =~ /!/ xor $res), $test_name );
a86f5011 YK	114	}
a86f5011 YK	115	}
85af77a5 RGS	116
	117	if ( $yn =~ s/=// ) {
	118	$tstr = "$right ~~ $left";
	119	goto test_again;
	120	}
c5836baf	121	}
0d863452 RH	122	}
0d863452 RH	123
0d863452	124	sub foo {}
73aec0b1 RGS	125	sub bar {42}
73aec0b1 RGS	126	sub gorch {42}
1cfb7049	127	sub fatal {die "fatal sub\n"}
0d863452	128
0cfbf1ea	129	# to test constant folding
18d11902 RGS	130	sub FALSE() { 0 }
18d11902 RGS	131	sub TRUE() { 1 }
2522c35a	132	sub NOT_DEF() { undef }
0d863452	133
e5de85fa RGS	134	# Prefix character :
	135	# - expected to match
	136	# ! - expected to not match
	137	# @ - expected to be a compilation failure
85af77a5	138	# = - expected to match symmetrically (runs test twice)
73aec0b1	139	# Data types to test :
85af77a5	140	# undef
73aec0b1 RGS	141	# Object-overloaded
73aec0b1 RGS	142	# Object
73aec0b1 RGS	143	# Coderef
	144	# Hash
	145	# Hashref
	146	# Array
	147	# Arrayref
85af77a5 RGS	148	# Tied arrays and hashes
85af77a5 RGS	149	# Arrays that reference themselves
73aec0b1	150	# Regex (// and qr//)
85af77a5	151	# Range
73aec0b1 RGS	152	# Num
73aec0b1 RGS	153	# Str
85af77a5 RGS	154	# Other syntactic items of interest:
	155	# Constants
	156	# Values returned by a sub call
0d863452	157	__DATA__
85af77a5	158	# Any ~~ undef
ad0781bc	159	! $ov_obj undef
85af77a5 RGS	160	! $obj undef
	161	! sub {} undef
	162	! %hash undef
	163	! \%hash undef
	164	! {} undef
	165	! @nums undef
	166	! \@nums undef
	167	! [] undef
	168	! %tied_hash undef
	169	! @tied_nums undef
	170	! $deep1 undef
	171	! /foo/ undef
	172	! qr/foo/ undef
	173	! 21..30 undef
	174	! 189 undef
	175	! "foo" undef
	176	! "" undef
	177	! !1 undef
	178	undef undef
62ec5f58	179	(my $u) undef
2522c35a RGS	180	NOT_DEF undef
2522c35a RGS	181	&NOT_DEF undef
85af77a5 RGS	182
85af77a5 RGS	183	# Any ~~ object overloaded
ad0781bc	184	! \&fatal $ov_obj
2c9d2554 RGS	185	'cigam' $ov_obj
2c9d2554 RGS	186	! 'cigam on' $ov_obj
532217f1 RGS	187	! ['cigam'] $ov_obj
	188	! ['stringified'] $ov_obj
	189	! { cigam => 1 } $ov_obj
	190	! { stringified => 1 } $ov_obj
ad0781bc RGS	191	! $obj $ov_obj
ad0781bc RGS	192	! undef $ov_obj
1cfb7049 YK	193
1cfb7049 YK	194	# regular object
ad0781bc	195	@ $obj $obj
6d743019	196	@ $ov_obj $obj
2c9d2554	197	=@ \&fatal $obj
ad0781bc RGS	198	@ \&FALSE $obj
	199	@ \&foo $obj
	200	@ sub { 1 } $obj
	201	@ sub { 0 } $obj
	202	@ %keyandmore $obj
	203	@ {"key" => 1} $obj
	204	@ @fooormore $obj
	205	@ ["key" => 1] $obj
	206	@ /key/ $obj
	207	@ qr/key/ $obj
	208	@ "key" $obj
	209	@ FALSE $obj
	210
6fbc735b RGS	211	# regular object with "" overload
	212	@ $obj $str_obj
	213	=@ \&fatal $str_obj
	214	@ \&FALSE $str_obj
	215	@ \&foo $str_obj
	216	@ sub { 1 } $str_obj
	217	@ sub { 0 } $str_obj
	218	@ %keyandmore $str_obj
	219	@ {"object" => 1} $str_obj
	220	@ @fooormore $str_obj
	221	@ ["object" => 1] $str_obj
	222	@ /object/ $str_obj
	223	@ qr/object/ $str_obj
	224	@ "object" $str_obj
	225	@ FALSE $str_obj
	226	# Those will treat the $str_obj as a string because of fallback:
6fbc735b	227
ad0781bc	228	# object (overloaded or not) ~~ Any
0483c672 RGS	229	$obj qr/NoOverload/
0483c672 RGS	230	$ov_obj qr/^stringified$/
532217f1	231	= "$ov_obj" "stringified"
6fbc735b	232	= "$str_obj" "object"
532217f1	233	!= $ov_obj "stringified"
6fbc735b	234	$str_obj "object"
2c9d2554 RGS	235	$ov_obj 'magic'
2c9d2554 RGS	236	! $ov_obj 'not magic'
1cfb7049	237
a4a197da RGS	238	# ~~ Coderef
	239	sub{0} sub { ref $_[0] eq "CODE" }
	240	%fooormore sub { $_[0] =~ /^(foo\|or\|more)$/ }
	241	! %fooormore sub { $_[0] =~ /^(foo\|or\|less)$/ }
	242	\%fooormore sub { $_[0] =~ /^(foo\|or\|more)$/ }
	243	! \%fooormore sub { $_[0] =~ /^(foo\|or\|less)$/ }
	244	+{%fooormore} sub { $_[0] =~ /^(foo\|or\|more)$/ }
	245	! +{%fooormore} sub { $_[0] =~ /^(foo\|or\|less)$/ }
	246	@fooormore sub { $_[0] =~ /^(foo\|or\|more)$/ }
	247	! @fooormore sub { $_[0] =~ /^(foo\|or\|less)$/ }
	248	\@fooormore sub { $_[0] =~ /^(foo\|or\|more)$/ }
	249	! \@fooormore sub { $_[0] =~ /^(foo\|or\|less)$/ }
	250	[@fooormore] sub { $_[0] =~ /^(foo\|or\|more)$/ }
	251	! [@fooormore] sub { $_[0] =~ /^(foo\|or\|less)$/ }
	252	%fooormore sub{@_==1}
	253	@fooormore sub{@_==1}
	254	"foo" sub { $_[0] =~ /^(foo\|or\|more)$/ }
	255	! "more" sub { $_[0] =~ /^(foo\|or\|less)$/ }
73aec0b1	256	/fooormore/ sub{ref $_[0] eq 'Regexp'}
a4a197da RGS	257	qr/fooormore/ sub{ref $_[0] eq 'Regexp'}
	258	1 sub{shift}
	259	! 0 sub{shift}
	260	! undef sub{shift}
	261	undef sub{not shift}
031a44ed RGS	262	NOT_DEF sub{not shift}
031a44ed RGS	263	&NOT_DEF sub{not shift}
a4a197da RGS	264	FALSE sub{not shift}
	265	[1] \&bar
	266	{a=>1} \&bar
	267	qr// \&bar
	268	! [1] \&foo
	269	! {a=>1} \&foo
41e726ac	270	$obj sub { ref($_[0]) =~ /NoOverload/ }
90a32bcb	271	$ov_obj sub { ref($_[0]) =~ /WithOverload/ }
a4a197da	272	# empty stuff matches, because the sub is never called:
07edf497 RGS	273	[] \&foo
07edf497 RGS	274	{} \&foo
031a44ed RGS	275	@empty \&foo
031a44ed RGS	276	%empty \&foo
a4a197da RGS	277	! qr// \&foo
	278	! undef \&foo
	279	undef \&bar
	280	@ undef \&fatal
	281	@ 1 \&fatal
	282	@ [1] \&fatal
203d1e89	283	@ {a=>1} \&fatal
a4a197da RGS	284	@ "foo" \&fatal
a4a197da RGS	285	@ qr// \&fatal
203d1e89	286	# sub is not called on empty hashes / arrays
07edf497 RGS	287	[] \&fatal
07edf497 RGS	288	+{} \&fatal
031a44ed RGS	289	@empty \&fatal
031a44ed RGS	290	%empty \&fatal
532217f1 RGS	291	# sub is not special on the left
	292	sub {0} qr/^CODE/
	293	sub {0} sub { ref shift eq "CODE" }
0d863452	294
0d863452 RH	295	# HASH ref against:
	296	# - another hash ref
	297	{} {}
2a37c5e7	298	=! {} {1 => 2}
0d863452 RH	299	{1 => 2} {1 => 2}
0d863452 RH	300	{1 => 2} {1 => 3}
031a44ed RGS	301	=! {1 => 2} {2 => 3}
031a44ed RGS	302	= \%main:: {map {$_ => 'x'} keys %main::}
0d863452 RH	303
0d863452 RH	304	# - tied hash ref
2522c35a	305	= \%hash \%tied_hash
0d863452	306	\%tied_hash \%tied_hash
031a44ed RGS	307	!= {"a"=>"b"} \%tied_hash
	308	= %hash %tied_hash
	309	%tied_hash %tied_hash
	310	!= {"a"=>"b"} %tied_hash
c5836baf RGS	311	$ov_obj %refh MINISKIP
	312	! "$ov_obj" %refh MINISKIP
	313	[$ov_obj] %refh MINISKIP
	314	! ["$ov_obj"] %refh MINISKIP
	315	%refh %refh MINISKIP
0d863452 RH	316
0d863452 RH	317	# - an array ref
031a44ed RGS	318	# (since this is symmetrical, tests as well hash~~array)
	319	= [keys %main::] \%::
	320	= [qw[STDIN STDOUT]] \%::
	321	=! [] \%::
	322	=! [""] {}
	323	=! [] {}
	324	=! @empty {}
	325	= [undef] {"" => 1}
	326	= [""] {"" => 1}
	327	= ["foo"] { foo => 1 }
	328	= ["foo", "bar"] { foo => 1 }
	329	= ["foo", "bar"] \%hash
	330	= ["foo"] \%hash
	331	=! ["quux"] \%hash
	332	= [qw(foo quux)] \%hash
	333	= @fooormore { foo => 1, or => 2, more => 3 }
	334	= @fooormore %fooormore
	335	= @fooormore \%fooormore
	336	= \@fooormore %fooormore
0d863452 RH	337
0d863452 RH	338	# - a regex
ea0c2dbd RGS	339	= qr/^(fo[ox])$/ {foo => 1}
ea0c2dbd RGS	340	= /^(fo[ox])$/ %fooormore
031a44ed	341	=! qr/[13579]$/ +{0..99}
ea0c2dbd	342	=! qr/a*/ {}
031a44ed	343	= qr/a*/ {b=>2}
ea0c2dbd RGS	344	= qr/B/i {b=>2}
	345	= /B/i {b=>2}
	346	=! qr/a+/ {b=>2}
	347	= qr/^à/ {"à"=>2}
0d863452	348
031a44ed	349	# - a scalar
2e0e16c9	350	"foo" +{foo => 1, bar => 2}
031a44ed	351	"foo" %fooormore
2e0e16c9	352	! "baz" +{foo => 1, bar => 2}
031a44ed RGS	353	! "boz" %fooormore
	354	! 1 +{foo => 1, bar => 2}
	355	! 1 %fooormore
	356	1 { 1 => 3 }
	357	1.0 { 1 => 3 }
	358	! "1.0" { 1 => 3 }
	359	! "1.0" { 1.0 => 3 }
	360	"1.0" { "1.0" => 3 }
	361	"à" { "à" => "À" }
0d863452	362
61a621c6	363	# - undef
2522c35a	364	! undef { hop => 'zouu' }
61a621c6 RGS	365	! undef %hash
61a621c6 RGS	366	! undef +{"" => "empty key"}
2a37c5e7	367	! undef {}
0d863452 RH	368
	369	# ARRAY ref against:
	370	# - another array ref
1cfb7049	371	[] []
2522c35a	372	=! [] [1]
ea0c2dbd RGS	373	[["foo"], ["bar"]] [qr/o/, qr/a/]
ea0c2dbd RGS	374	! [["foo"], ["bar"]] [qr/ARRAY/, qr/ARRAY/]
0d863452	375	["foo", "bar"] [qr/o/, qr/a/]
031a44ed	376	! [qr/o/, qr/a/] ["foo", "bar"]
2522c35a	377	["foo", "bar"] [["foo"], ["bar"]]
71b0fb34	378	! ["foo", "bar"] [qr/o/, "foo"]
2522c35a	379	["foo", undef, "bar"] [qr/o/, undef, "bar"]
fb51372e	380	! ["foo", undef, "bar"] [qr/o/, "", "bar"]
2522c35a	381	! ["foo", "", "bar"] [qr/o/, undef, "bar"]
1cfb7049	382	$deep1 $deep1
031a44ed	383	@$deep1 @$deep1
1cfb7049	384	! $deep1 $deep2
0d863452	385
031a44ed RGS	386	= \@nums \@tied_nums
	387	= @nums \@tied_nums
	388	= \@nums @tied_nums
	389	= @nums @tied_nums
	390
d0b243e3 RGS	391	# - an object
d0b243e3 RGS	392	! $obj @fooormore
41e726ac	393	$obj [sub{ref shift}]
d0b243e3	394
0d863452	395	# - a regex
ea0c2dbd RGS	396	= qr/x/ [qw(foo bar baz quux)]
	397	=! qr/y/ [qw(foo bar baz quux)]
	398	= /x/ [qw(foo bar baz quux)]
	399	=! /y/ [qw(foo bar baz quux)]
	400	= /FOO/i @fooormore
	401	=! /bar/ @fooormore
0d863452 RH	402
0d863452 RH	403	# - a number
015eb7b9	404	2 [qw(1.00 2.00)]
b0138e99 RGS	405	2 [qw(foo 2)]
	406	2.0_0e+0 [qw(foo 2)]
	407	! 2 [qw(1foo bar2)]
0d863452 RH	408
0d863452 RH	409	# - a string
b0138e99 RGS	410	! "2" [qw(1foo 2bar)]
b0138e99 RGS	411	"2bar" [qw(1foo 2bar)]
0d863452	412
015eb7b9 RGS	413	# - undef
	414	undef [1, 2, undef, 4]
	415	! undef [1, 2, [undef], 4]
	416	! undef @fooormore
	417	undef @sparse
fb51372e RGS	418	undef [undef]
	419	! 0 [undef]
	420	! "" [undef]
	421	! undef [0]
	422	! undef [""]
015eb7b9 RGS	423
	424	# - nested arrays and ~~ distributivity
	425	11 [[11]]
	426	! 11 [[12]]
	427	"foo" [{foo => "bar"}]
	428	! "bar" [{foo => "bar"}]
	429
0d863452 RH	430	# Number against number
0d863452 RH	431	2 2
33ed63a2	432	20 2_0
0d863452	433	! 2 3
18d11902 RGS	434	0 FALSE
18d11902 RGS	435	3-2 TRUE
fb51372e RGS	436	! undef 0
fb51372e RGS	437	! (my $u) 0
0d863452 RH	438
0d863452 RH	439	# Number against string
33ed63a2 RGS	440	= 2 "2"
33ed63a2 RGS	441	= 2 "2.0"
0d863452	442	! 2 "2bananas"
289d21b2	443	!= 2_3 "2_3" NOWARNINGS
18d11902	444	FALSE "0"
fb51372e RGS	445	! undef "0"
fb51372e RGS	446	! undef ""
0d863452 RH	447
0d863452 RH	448	# Regex against string
a566f585 RGS	449	"x" qr/x/
a566f585 RGS	450	! "x" qr/y/
0d863452 RH	451
	452	# Regex against number
	453	12345 qr/3/
2522c35a	454	! 12345 qr/7/
0d863452	455
031a44ed	456	# array/hash against string
d444f7e3 RGS	457	@fooormore "".\@fooormore
	458	! @keyandmore "".\@fooormore
	459	%fooormore "".\%fooormore
	460	! %keyandmore "".\%fooormore
f1bef09e	461
0d863452	462	# Test the implicit referencing
b0138e99	463	7 @nums
0d863452 RH	464	@nums \@nums
	465	! @nums \\@nums
	466	@nums [1..10]
	467	! @nums [0..9]
	468
2e0e16c9 RGS	469	"foo" %hash
	470	/bar/ %hash
	471	[qw(bar)] %hash
	472	! [qw(a b c)] %hash
71b0fb34	473	%hash %hash
fceebc47	474	%hash +{%hash}
73aec0b1	475	%hash \%hash
71b0fb34 DK	476	%hash %tied_hash
	477	%tied_hash %tied_hash
	478	%hash { foo => 5, bar => 10 }
	479	! %hash { foo => 5, bar => 10, quux => 15 }
	480
	481	@nums { 1, '', 2, '' }
	482	@nums { 1, '', 12, '' }
	483	! @nums { 11, '', 12, '' }
be99ef1a	484
329a333e DL	485	# array slices
	486	@nums[0..-1] []
	487	@nums[0..0] [1]
	488	! @nums[0..1] [0..2]
	489	@nums[0..4] [1..5]
	490
	491	! undef @nums[0..-1]
	492	1 @nums[0..0]
	493	2 @nums[0..1]
	494	! @nums[0..1] 2
	495
	496	@nums[0..1] @nums[0..1]
	497
	498	# hash slices
	499	@keyandmore{qw(not)} [undef]
	500	@keyandmore{qw(key)} [0]
	501
	502	undef @keyandmore{qw(not)}
	503	0 @keyandmore{qw(key and more)}
	504	! 2 @keyandmore{qw(key and)}
	505
	506	@fooormore{qw(foo)} @keyandmore{qw(key)}
	507	@fooormore{qw(foo or more)} @keyandmore{qw(key and more)}
	508
be99ef1a YK	509	# UNDEF
	510	! 3 undef
	511	! 1 undef
	512	! [] undef
	513	! {} undef
	514	! \%::main undef
	515	! [1,2] undef
	516	! %hash undef
	517	! @nums undef
	518	! "foo" undef
	519	! "" undef
	520	! !1 undef
	521	! \&foo undef
	522	! sub { } undef