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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Syntax::Operator::Elem;
BEGIN { plan skip_all => "No PL_infix_plugin" unless XS::Parse::Infix::HAVE_PL_INFIX_PLUGIN; }
my $warnings = 0;
$SIG{__WARN__} = sub { $warnings++ };
# List literals
ok( "c" elem ("a".."e") , 'c is in a..e');
ok(not("f" elem ("a".."e")), 'f is not in a..e');
# Arrays
my @AtoE = ("A" .. "E");
ok( "C" elem @AtoE , 'C is in @AtoE');
ok(not("F" elem @AtoE), 'F is not in @AtoE');
# Function calls
sub XtoZ { return "X" .. "Z" }
ok("Y" elem XtoZ(), 'Y is in XtoZ()');
# This is a stringy match
ok(!("1.0" elem (1, 2, 3)), 'match is done stringly, not numerically');
# stack discipline
is( [ 1, 2, ("+" elem ("+", "-")), 3, 4 ],
[ 1, 2, 1, 3, 4 ],
'elem preserves stack' );
# unimport
{
no Syntax::Operator::Elem;
sub elem { return "normal function" }
is( elem, "normal function", 'elem() parses as a normal function call' );
}
ok(!$warnings, 'no warnings');
done_testing;
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