#!./perl
# On platforms that don't support all of the filetest operators the code
# that faked the results of missing tests used to leave the test's
# argument on the stack.
BEGIN {
    chdir 't' if -d 't';
    require './test.pl';
    set_up_inc('../lib');
}
my @ops = split //, 'rwxoRWXOezsfdlpSbctugkTMBAC';
plan( tests => @ops * 5 + 1 );
package o { use overload '-X' => sub { 1 } }
my $o = bless [], 'o';
for my $op (@ops) {
    ok( 1 == @{ [ eval "-$op 'TEST'" ] }, "-$op returns single value" );
    ok( 1 == @{ [ eval "-$op *TEST" ] }, "-$op *gv returns single value" );
    my $count = 0;
    my $t;
    for my $m ("a", "b") {
        if ($count == 0) {
            $t = eval "-$op _" ? 0 : "foo";
        }
        elsif ($count == 1) {
            is($m, "b", "-$op did not remove too many values from the stack");
        }
        $count++;
    }
    $count = 0;
    for my $m ("c", "d") {
        if ($count == 0) {
            $t = eval "-$op -e \$^X" ? 0 : "bar";
        }
        elsif ($count == 1) {
            is($m, "d", "-$op -e \$^X did not remove too many values from the stack");
        }
        $count++;
    }
    my @foo = eval "-$op \$o";
    is @foo, 1, "-$op \$overld did not leave \$overld on the stack";
}
{
    # [perl #129347] cope with stacked filetests where PL_op->op_next is null
    () = sort { -d -d } \*TEST0, \*TEST1;
    ok 1, "survived stacked filetests with null op_next";
}