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#! perl
use Test::More 0.98;
use Modern::Perl ();
$SIG{__WARN__} = sub
{
return if $_[0] =~ /Number found where operator expected/;
return if $_[0] =~ /Do you need to predeclare/;
return if $_[0] =~ /future reserved word/;
warn shift
};
eval 'sub { given (0) {} }';
isnt $@, '', 'use Modern::Perl () does not enable switch';
eval 'sub { say 0 }';
isnt $@, '', 'use Modern::Perl () does not enable say';
eval 'state $x;';
isnt $@, '', 'use Modern::Perl () does not enable state';
is uc "\xdf", "\xdf", 'Modern::Perl () does not enable unicode_strings';
eval 'sub { return __SUB__ }';
is $@, '', q|use Modern::Perl '2013' does not enable current_sub|;
my $warning = '';
local $SIG{__WARN__} = sub { $warning = shift };
eval 'fc("tschüß") eq fc("TSCHÜSS")';
isnt $@, '', q|use Modern::Perl () does not enable fc|;
{
use Modern::Perl '2009';
eval 'sub { given (0) {} }';
is $@, '', q|use Modern::Perl '2009' enables switch|;
eval 'sub { say 0 }';
is $@, '', q|use Modern::Perl '2009' enables say|;
eval 'state $x';
is $@, '', q|use Modern::Perl '2009' enables state|;
is uc "\xdf", "\xdf", 'but not unicode_strings';
}
{
use Modern::Perl '2010';
eval 'sub { given (0) {} }';
is $@, '', q|use Modern::Perl '2010' enables switch|;
eval 'sub { say 0 }';
is $@, '', q|use Modern::Perl '2010' enables say|;
eval 'state $x';
is $@, '', q|use Modern::Perl '2010' enables state|;
is uc "\xdf", "\xdf", 'but not unicode_strings';
}
if ($] >= 5.012)
{
eval q{
use Modern::Perl '2011';
eval 'sub { given (0) {} }';
is $@, '', q|use Modern::Perl '2011' enables switch|;
eval 'sub { say 0 }';
is $@, '', q|use Modern::Perl '2011' enables say|;
eval 'state $x';
is $@, '', q|use Modern::Perl '2011' enables state|;
is uc "\xdf", "SS", '2011 enables unicode_strings';
};
}
if ($] >= 5.014)
{
eval q{
use Modern::Perl '2012';
eval 'sub { given (0) {} }';
is $@, '', q|use Modern::Perl '2012' enables switch|;
eval 'sub { say 0 }';
is $@, '', q|use Modern::Perl '2012' enables say|;
eval 'state $x';
is $@, '', q|use Modern::Perl '2012' enables state|;
is uc "\xdf", "SS", '2012 enables unicode_strings';
};
}
if ($] >= 5.016)
{
eval q{
use Modern::Perl '2013';
eval 'sub { given (0) {} }';
is $@, '', q|use Modern::Perl '2013' enables switch|;
eval 'sub { say 0 }';
is $@, '', q|use Modern::Perl '2013' enables say|;
eval 'state $x';
is $@, '', q|use Modern::Perl '2013' enables state|;
is uc "\xdf", "SS", '2013 enables unicode_strings';
eval 'sub { return __SUB__ }';
is $@, '', q|use Modern::Perl '2013' enables current_sub|;
my $warning = '';
local $SIG{__WARN__} = sub { $warning = shift };
eval '$[ = 10';
like $warning, qr/Use of assignment to \$\[ is deprecated/,
q|use Modern::Perl '2013' disables array_base|;
eval 'fc("tschüß") eq fc("TSCHÜSS")';
is $@, '', q|use Modern::Perl '2013' enables fc|;
};
is $@, '', 'this block should succeed';
}
eval 'sub { given (0) {} }';
isnt $@, "", 'switch feature does not leak out';
eval 'sub { say 0 }';
isnt $@, '', 'say feature does not leak out';
eval 'state $x';
isnt $@, '', 'state feature does not leak out';
is uc "\xdf", "\xdf", 'unicode_strings feature does not leak out';
done_testing;
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