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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Syntax::Operator::Equ;
BEGIN { plan skip_all => "No PL_infix_plugin" unless XS::Parse::Infix::HAVE_PL_INFIX_PLUGIN; }
my $warnings = 0;
$SIG{__WARN__} = sub { $warnings++ };
ok( "abc" equ "abc", 'identical strings');
ok(!("abc" equ "def"), 'different strings');
ok( undef equ undef, 'undef is undef');
ok(!("abc" equ undef), 'undef is not a string');
ok(!("" equ undef), 'undef is not empty string');
# overloaded 'eq' operator
{
my $equal;
package Greedy {
use overload 'eq' => sub { $equal };
}
my $greedy = bless [], "Greedy";
$equal = 1;
ok( $greedy equ "abc", 'Greedy is abc when set' );
$equal = 0;
ok(!($greedy equ "abc"), 'Greedy is not abc when unset' );
}
# unimport
{
no Syntax::Operator::Equ;
sub equ { return "normal function" }
is( equ, "normal function", 'equ() parses as a normal function call' );
}
ok(!$warnings, 'no warnings');
done_testing;
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