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|
#!perl -T
use Test::More tests => 146;
use Scalar::Util 'refaddr';
use strict;
{# Scope for the warnings so we can switch back to -w mode for tests below.
use warnings; no warnings 'utf8';
#--------------------------------------------------------------------#
# Test 1: See if the module loads
BEGIN { use_ok 'JE::LValue' }
#--------------------------------------------------------------------#
# Tests 2-9: Method delegation
{
no warnings 'once'; # since those warnings are wrong anyway
local *__::prop = sub { bless [], '___' };
local *___::AUTOLOAD = sub { 5 };
local *___::apply = sub { $_[1] };
my $thing = bless [], '__';
my $lv = new JE::LValue $thing, 'anything can go here';
isa_ok $lv, 'JE::LValue';
cmp_ok $lv->my_method, '==', 5, 'method delegation';
# Make sure that JE::LValue's own methods are not delegated
isa_ok $lv->get, '___', 'result of get (in non-delegation test)';
isa_ok $lv->set('doo'), '___', 'set is not delegated';
# (returns retval of prop)
is refaddr $thing, refaddr $lv->call, 'call is not delegated';
is refaddr $thing, refaddr $lv->base, 'base is not delegated';
is $lv->property, 'anything can go here',
'property is not delegated';
is $lv->can('set'), \&JE::LValue::set,
'can is not delegated when it\'s not supposed to be';
}
#--------------------------------------------------------------------#
# Tests 10-120: Overloading
{
package overtest;
our($op, $thing);
use overload
'+' => sub { $op = '+' },
'+=' => sub { $op = '+=' },
'-' => sub { $op = '-' },
'-=' => sub { $op = '-=' },
'*' => sub { $op = '*' },
'*=' => sub { $op = '*=' },
'/' => sub { $op = '/' },
'/=' => sub { $op = '/=' },
'%' => sub { $op = '%' },
'%=' => sub { $op = '%=' },
'**' => sub { $op = '**' },
'**=' => sub { $op = '**=' },
'<<' => sub { $op = '<<' },
'<<=' => sub { $op = '<<=' },
'>>' => sub { $op = '>>' },
'>>=' => sub { $op = '>>=' },
x => sub { $op = 'x' },
'x=' => sub { $op = 'x=' },
'.' => sub { $op = '.' },
'.=' => sub { $op = '.=' },
'<' => sub { $op = '<'; 1 },
'<=' => sub { $op = '<='; 1 },
'>' => sub { $op = '>'; 1 },
'>=' => sub { $op = '>='; 1 },
'==' => sub { $op = '=='; 1 },
'!=' => sub { $op = '!='; 1 },
'<=>' => sub { $op = '<=>'; 1 },
lt => sub { $op = 'lt'; 1 },
le => sub { $op = 'le'; 1 },
gt => sub { $op = 'gt'; 1 },
ge => sub { $op = 'ge'; 1 },
eq => sub { $op = 'eq'; 1 },
ne => sub { $op = 'ne'; 1 },
cmp => sub { $op = 'cmp'; 1 },
'&' => sub { $op = '&' },
'^' => sub { $op = '^' },
'|' => sub { $op = '|' },
neg => sub { $op = 'neg' }, # unary negation
'!' => sub { $op = '!' },
'~' => sub { $op = '~' },
'++' => sub { $thing = '++' },
'--' => sub { $thing = '--' },
atan2 => sub { $op = 'atan2' },
cos => sub { $op = 'cos' },
sin => sub { $op = 'sin' },
exp => sub { $op = 'exp' },
abs => sub { $op = 'abs' },
log => sub { $op = 'log' },
sqrt => sub { $op = 'sqrt' },
int => sub { $op = 'int' },
bool => sub { $op = 'bool';0 },
'""' => sub { $op = '""' },
'0+' => sub { $op = '00' },
'<>' => sub { $op = '<>' },
'${}' => sub { \"Hey!" },
'@{}' => sub { ["Hey!"] },
'%{}' => sub { {"Hey!" => 0 } },
'&{}' => sub { sub { "Hey!" } },
'*{}' => sub { \*STDOUT };
}
{
no warnings 'once';
local *base_class::prop = sub { bless [], 'overtest' };
my $lv = new JE::LValue bless([], 'base_class'), 'doodaa';
my $tmp;
is $lv + 1, '+', '+ overloading (1)';
is $overtest::op, '+', '+ overloading (2)';
is +($tmp = $lv) += 1, '+=', '+= overloading (1)';
is $overtest::op, '+=', '+= overloading (2)';
is $lv - 1, '-', '- overloading (1)';
is $overtest::op, '-', '- overloading (2)';
is +($tmp = $lv) -= 1, '-=', '-= overloading (1)';
is $overtest::op, '-=', '-= overloading (2)';
is $lv * 1, '*', '* overloading (1)';
is $overtest::op, '*', '* overloading (2)';
is +($tmp = $lv) *= 1, '*=', '*= overloading (1)';
is $overtest::op, '*=', '*= overloading (2)';
is $lv / 1, '/', '/ overloading (1)';
is $overtest::op, '/', '/ overloading (2)';
is +($tmp = $lv) /= 1, '/=', '/= overloading (1)';
is $overtest::op, '/=', '/= overloading (2)';
is $lv % 1, '%', '% overloading (1)';
is $overtest::op, '%', '% overloading (2)';
is +($tmp = $lv) %= 1, '%=', '%= overloading (1)';
is $overtest::op, '%=', '%= overloading (2)';
is $lv ** 1, '**', '** overloading (1)';
is $overtest::op, '**', '** overloading (2)';
is +($tmp = $lv) **= 1, '**=', '**= overloading (1)';
is $overtest::op, '**=', '**= overloading (2)';
is $lv << 1, '<<', '<< overloading (1)';
is $overtest::op, '<<', '<< overloading (2)';
is +($tmp = $lv) <<= 1, '<<=', '<<= overloading (1)';
is $overtest::op, '<<=', '<<= overloading (2)';
is $lv >> 1, '>>', '>> overloading (1)';
is $overtest::op, '>>', '>> overloading (2)';
is +($tmp = $lv) >>= 1, '>>=', '>>= overloading (1)';
is $overtest::op, '>>=', '>>= overloading (2)';
is $lv x 1, 'x', 'x overloading (1)';
is $overtest::op, 'x', 'x overloading (2)';
is +($tmp = $lv) x= 1, 'x=', 'x= overloading (1)';
is $overtest::op, 'x=', 'x= overloading (2)';
is $lv . 1, '.', '. overloading (1)';
is $overtest::op, '.', '. overloading (2)';
is +($tmp = $lv) .= 1, '.=', '.= overloading (1)';
is $overtest::op, '.=', '.= overloading (2)';
is $lv < 1, 1, '< overloading (1)';
is $overtest::op, '<', '< overloading (2)';
is $lv <= 1, 1, '<= overloading (1)';
is $overtest::op, '<=', '<= overloading (2)';
is $lv > 1, 1, '> overloading (1)';
is $overtest::op, '>', '> overloading (2)';
is $lv >= 1, 1, '>= overloading (1)';
is $overtest::op, '>=', '>= overloading (2)';
is $lv == 1, 1, '== overloading (1)';
is $overtest::op, '==', '== overloading (2)';
is $lv != 1, 1, '!= overloading (1)';
is $overtest::op, '!=', '!= overloading (2)';
is $lv <=> 1, 1, '<=> overloading (1)';
is $overtest::op, '<=>', '<=> overloading (2)';
is $lv lt 1, 1, 'lt overloading (1)';
is $overtest::op, 'lt', 'lt overloading (2)';
is $lv le 1, 1, 'le overloading (1)';
is $overtest::op, 'le', 'le overloading (2)';
is $lv gt 1, 1, 'gt overloading (1)';
is $overtest::op, 'gt', 'gt overloading (2)';
is $lv ge 1, 1, 'ge overloading (1)';
is $overtest::op, 'ge', 'ge overloading (2)';
is $lv eq 1, 1, 'eq overloading (1)';
is $overtest::op, 'eq', 'eq overloading (2)';
is $lv ne 1, 1, 'ne overloading (1)';
is $overtest::op, 'ne', 'ne overloading (2)';
is $lv cmp 1, 1, 'cmp overloading (1)';
is $overtest::op, 'cmp', 'cmp overloading (2)';
is $lv & 1, '&', '& overloading (1)';
is $overtest::op, '&', '& overloading (2)';
is $lv ^ 1, '^', '^ overloading (1)';
is $overtest::op, '^', '^ overloading (2)';
is $lv | 1, '|', '| overloading (1)';
is $overtest::op, '|', '| overloading (2)';
is -$lv, 'neg', 'neg overloading (1)';
is $overtest::op, 'neg', 'neg overloading (2)';
is !$lv, '!', '! overloading (1)';
is $overtest::op, '!', '! overloading (2)';
is ~$lv, '~', '~ overloading (1)';
is $overtest::op, '~', '~ overloading (2)';
++$lv;
is $overtest::thing, '++', '++ overloading';
--$lv;
is $overtest::thing, '--', '-- overloading';
is atan2($lv,1), 'atan2', 'atan2 overloading (1)';
is $overtest::op, 'atan2', 'atan2 overloading (2)';
is cos $lv, 'cos', 'cos overloading (1)';
is $overtest::op, 'cos', 'cos overloading (2)';
is sin $lv, 'sin', 'sin overloading (1)';
is $overtest::op, 'sin', 'sin overloading (2)';
is exp $lv, 'exp', 'exp overloading (1)';
is $overtest::op, 'exp', 'exp overloading (2)';
is abs $lv, 'abs', 'abs overloading (1)';
is $overtest::op, 'abs', 'abs overloading (2)';
is log $lv, 'log', 'log overloading (1)';
is $overtest::op, 'log', 'log overloading (2)';
is sqrt $lv, 'sqrt', 'sqrt overloading (1)';
is $overtest::op, 'sqrt', 'sqrt overloading (2)';
is int $lv, 'int', 'int overloading (1)';
is $overtest::op, 'int', 'int overloading (2)';
is $lv ? 0 : 1, 1, 'bool overloading (1)';
is $overtest::op, 'bool', 'bool overloading (2)';
$lv =~ /^(.*)\z/s;
is $1, '""', 'string overloading (1)';
is $overtest::op, '""', 'string overloading (2)';
is ord chr $lv, 0, 'numeric overloading (1)';
is $overtest::op, '00', 'numeric overloading (2)';
is <$lv>, '<>', '<> overloading (1)';
is $overtest::op, '<>', '<> overloading (2)';
is $$lv, 'Hey!', 'scalar dereference overloading';
is_deeply \@$lv, ['Hey!'], 'array dereference overloading';
is_deeply \%$lv, {'Hey!' => 0}, 'hash dereference overloading';
is &$lv, 'Hey!', 'code dereference overloading';
is \*$lv, \*STDOUT, 'glob dereference overloading';
}
#--------------------------------------------------------------------#
# Tests 121-31: new, base, property
use_ok 'JE';
our $je = JE->new;
isa_ok $je, 'JE';
our $lv = new JE::LValue $je, 'undefined';
isa_ok $lv, 'JE::LValue', '(new JE::LValue $je, undefined)';
is refaddr +base $lv, refaddr $je;
is property $lv, 'undefined';
eval { new JE::LValue $je->undefined, 'oentoetntn' };
isa_ok $@, 'JE::Object::Error::TypeError',
'$@ (after new JE::LValue undefined)';
eval { new JE::LValue $je->null, 'toetntn' };
isa_ok $@, 'JE::Object::Error::TypeError',
'$@ (after new JE::LValue null)';
our $lv_no_base = new JE::LValue \$je, 'x';
isa_ok $lv_no_base, 'JE::LValue', 'lvalue without base';
is_deeply [base $lv_no_base], [],
'(lvalue without base)->base in list context';
is_deeply scalar base $lv_no_base, undef,
'(lvalue without base)->base in scalar context';
is property $lv_no_base, 'x', '(lvalue without base)->property';
#--------------------------------------------------------------------#
# Tests 132-3: get
isa_ok $lv->get, 'JE::Undefined', '$lv->get';
eval { $lv_no_base->get };
isa_ok $@, 'JE::Object::Error::ReferenceError',
'$@ after $lv_no_base->get';
#--------------------------------------------------------------------#
# Tests 134-7: set
is $lv->set(7), 7, 'return value of "set"';
is $je->prop('undefined'), 7, 'result of $lv->set';
is $lv_no_base->set(2), 2, 'return value of "set" (again)';
is $je->prop('x'), 2, 'result of $lv_no_base->set';
#--------------------------------------------------------------------#
# call has already been tested in the 'Method delegation' section.
#--------------------------------------------------------------------#
# Tests 138-43: can
{
no warnings 'once';
local *base_class::prop = sub { bless [], 'prop_class' };
local *prop_class::this = sub { ref(shift) . 'this' };
local *prop_class::that = sub { ref(shift) . 'that' };
local *prop_class::base = sub { }; # a method with the same name
# as a JE::LValue method
my $lv = new JE::LValue bless([], 'base_class'), '';
# Test prop_class's methods
is $lv->can('this')->($lv), 'prop_classthis', 'can this';
is $lv->can('that')->($lv), 'prop_classthat', 'can that';
# JE::LValue's methods
is $lv->can('base'), \&JE::LValue::base, 'can base';
is $lv->can('get'), \&JE::LValue::get, 'can get';
ok !$lv->can('teemipyf.pyuh'), "can't teemipyf.pyuh";
eval {
$lv->can("\x{d800}")
};
is $@, '', '$lv->can("\x{d800}") doesn\'t die';
}
#--------------------------------------------------------------------#
# Test 144-6: warnings
{
my $w;
local $SIG{__WARN__} = sub { warn $_[0]; ++$w };
no warnings 'uninitialized';
() = $lv eq undef;
is $w, undef, 'The overload handler respects the caller’s warnings';
}
} # end the warnings scope started near the top of the file
{
local $^W;
my $w;
local $SIG{__WARN__} = sub { warn $_[0]; ++$w };
() = our $lv eq undef;
is $w, undef, 'The overload handler respects !$^W';
$^W = 1;
local $SIG{__WARN__} = sub {++$w };
undef $w;
() = $lv eq undef;
is $w, 1, 'The overload handler respects $^W';
}
|
