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#!./perl
BEGIN {
chdir 't';
@INC = '../lib';
require './test.pl';
}
use strict;
use Tie::Array;
use Tie::Hash;
# The feature mechanism is tested in t/lib/feature/smartmatch:
# This file tests the semantics of the operator, without worrying
# about feature issues such as scoping etc.
# Predeclare vars used in the tests:
my $deep1 = []; push @$deep1, \$deep1;
my $deep2 = []; push @$deep2, \$deep2;
{my $const = "a constant"; sub a_const () {$const}}
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::CopyOverload;
sub new { bless { key => 1 } }
use overload '~~' => sub { my %hash = %{ $_[0] }; %hash ~~ $_[1] };
}
{
package Test::Object::OverloadCodeRef;
sub new { bless $_[1] }
use overload '~~' => sub { shift->($_[1]) };
}
our $ov_obj = Test::Object::CopyOverload->new;
our $obj = Test::Object::NoOverload->new;
our $false_obj = Test::Object::OverloadCodeRef->new(sub { 0 });
our $true_obj = Test::Object::OverloadCodeRef->new(sub { 1 });
# Load and run the tests
my @tests = map [chomp and split /\t+/, $_, 3], grep !/^#/ && /\S/, <DATA>;
plan tests => 2 * @tests;
for my $test (@tests) {
my ($yn, $left, $right) = @$test;
match_test($yn, $left, $right);
match_test($yn, $right, $left);
}
sub match_test {
my ($yn, $left, $right) = @_;
die "Bad test spec: ($yn, $left, $right)"
unless $yn eq "" || $yn eq "!" || $yn eq '@';
my $tstr = "$left ~~ $right";
my $res;
$res = eval $tstr // ""; #/ <- fix syntax colouring
chomp $@;
if ( $yn eq '@' ) {
ok( $@ ne '', sprintf "%s%s: %s", $tstr, $@ ? ( ', $@', $@ ) : ( '', $res ) );
} else {
if ( $@ ne '' ) {
fail("$tstr, \$\@: $@");
} else {
ok( ($yn eq '!' xor $res), "$tstr: $res");
}
}
}
sub foo {}
sub bar {2}
sub gorch {2}
sub fatal {die "fatal sub\n"}
sub a_const() {die "const\n" if @_; "a constant"}
sub b_const() {die "const\n" if @_; "a constant"}
__DATA__
# OBJECT
# - overloaded
$ov_obj "key"
$ov_obj {"key" => 1}
! $ov_obj "foo"
! $ov_obj \&foo
@ $ov_obj \&fatal
# regular object
@ $obj "key"
@ $obj {"key" => 1}
@ $obj "foo"
@ $obj $obj
@ $obj sub { 1 }
@ $obj sub { 0 }
@ $obj \&foo
@ $obj \&fatal
# CODE ref against argument
# - arg is code ref
\&foo \&foo
! \&foo sub {}
! \&foo \&bar
\&fatal \&fatal
! \&foo \&fatal
# - arg is not code ref
1 sub{shift}
! 0 sub{shift}
! undef sub{shift}
undef sub{not shift}
1 sub{scalar @_}
[] \&bar
{} \&bar
qr// \&bar
! [] \&foo
! {} \&foo
! qr// \&foo
! undef \&foo
undef \&bar
@ undef \&fatal
@ 1 \&fatal
@ [] \&fatal
@ "foo" \&fatal
@ qr// \&fatal
@ $obj \&bar
$ov_obj \&bar
# - null-prototyped subs
a_const "a constant"
a_const a_const
a_const b_const
\&a_const \&a_const
! \&a_const \&b_const
# - non-null-prototyped subs
! \&bar \&gorch
bar gorch
@ fatal bar
# HASH ref against:
# - another hash ref
{} {}
! {} {1 => 2}
{1 => 2} {1 => 2}
{1 => 2} {1 => 3}
! {1 => 2} {2 => 3}
\%main:: {map {$_ => 'x'} keys %main::}
# - tied hash ref
\%hash \%tied_hash
\%tied_hash \%tied_hash
# - an array ref
\%:: [keys %main::]
! \%:: []
{"" => 1} [undef]
{ foo => 1 } ["foo"]
{ foo => 1 } ["foo", "bar"]
\%hash ["foo", "bar"]
\%hash ["foo"]
! \%hash ["quux"]
\%hash [qw(foo quux)]
# - a regex
{foo => 1} qr/^(fo[ox])$/
! +{0..100} qr/[13579]$/
# - a string
+{foo => 1, bar => 2} "foo"
! +{foo => 1, bar => 2} "baz"
# ARRAY ref against:
# - another array ref
[] []
! [] [1]
[["foo"], ["bar"]] [qr/o/, qr/a/]
["foo", "bar"] [qr/o/, qr/a/]
! ["foo", "bar"] [qr/o/, "foo"]
$deep1 $deep1
! $deep1 $deep2
\@nums \@tied_nums
# - a regex
[qw(foo bar baz quux)] qr/x/
! [qw(foo bar baz quux)] qr/y/
# - a number
[qw(1foo 2bar)] 2
# - a string
! [qw(1foo 2bar)] "2"
# Number against number
2 2
! 2 3
# Number against string
2 "2"
2 "2.0"
! 2 "2bananas"
! 2_3 "2_3"
# Regex against string
qr/x/ "x"
! qr/y/ "x"
# Regex against number
12345 qr/3/
# Test the implicit referencing
@nums 7
@nums \@nums
! @nums \\@nums
@nums [1..10]
! @nums [0..9]
%hash "foo"
%hash /bar/
%hash [qw(bar)]
! %hash [qw(a b c)]
%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, '' }
# 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
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