1#!./perl
2
3# On platforms that don't support all of the filetest operators the code
4# that faked the results of missing tests used to leave the test's
5# argument on the stack.
6
7BEGIN {
8    chdir 't' if -d 't';
9    require './test.pl';
10    set_up_inc('../lib');
11}
12
13my @ops = split //, 'rwxoRWXOezsfdlpSbctugkTMBAC';
14
15plan( tests => @ops * 5 + 1 );
16
17package o { use overload '-X' => sub { 1 } }
18my $o = bless [], 'o';
19
20for my $op (@ops) {
21    ok( 1 == @{ [ eval "-$op 'TEST'" ] }, "-$op returns single value" );
22    ok( 1 == @{ [ eval "-$op *TEST" ] }, "-$op *gv returns single value" );
23
24    my $count = 0;
25    my $t;
26    for my $m ("a", "b") {
27	if ($count == 0) {
28	    $t = eval "-$op _" ? 0 : "foo";
29	}
30	elsif ($count == 1) {
31	    is($m, "b", "-$op did not remove too many values from the stack");
32	}
33	$count++;
34    }
35
36    $count = 0;
37    for my $m ("c", "d") {
38	if ($count == 0) {
39	    $t = eval "-$op -e \$^X" ? 0 : "bar";
40	}
41	elsif ($count == 1) {
42	    is($m, "d", "-$op -e \$^X did not remove too many values from the stack");
43	}
44	$count++;
45    }
46
47    my @foo = eval "-$op \$o";
48    is @foo, 1, "-$op \$overld did not leave \$overld on the stack";
49}
50
51{
52    # [perl #129347] cope with stacked filetests where PL_op->op_next is null
53    () = sort { -d -d } \*TEST0, \*TEST1;
54    ok 1, "survived stacked filetests with null op_next";
55}
56