xref: /openbsd-src/gnu/usr.bin/perl/ext/XS-APItest/t/multicall.t (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1#!perl -w
2
3# test the MULTICALL macros
4# Note: as of Oct 2010, there are not yet comprehensive tests
5# for these macros.
6
7use warnings;
8use strict;
9
10use Test::More tests => 7;
11use XS::APItest;
12
13
14{
15    my $sum = 0;
16    sub add { $sum += $_++ }
17
18    my @a = (1..3);
19    XS::APItest::multicall_each \&add, @a;
20    is($sum, 6, "sum okay");
21    is($a[0], 2, "a[0] okay");
22    is($a[1], 3, "a[1] okay");
23    is($a[2], 4, "a[2] okay");
24}
25
26# [perl #78070]
27# multicall using a sub that aleady has CvDEPTH > 1 caused sub
28# to be prematurely freed
29
30{
31    my $destroyed = 0;
32    sub REC::DESTROY { $destroyed = 1 }
33
34    my $closure_var;
35    {
36	my $f = sub {
37	    no warnings 'void';
38	    $closure_var;
39	    my $sub = shift;
40	    if (defined $sub) {
41		XS::APItest::multicall_each \&$sub, 1,2,3;
42	    }
43	};
44	bless $f,  'REC';
45	$f->($f);
46	is($destroyed, 0, "f not yet destroyed");
47    }
48    is($destroyed, 1, "f now destroyed");
49
50}
51
52# [perl #115602]
53# deep recursion realloced the CX stack, but the dMULTICALL local var
54# 'cx' still pointed to the old one.
55# Thius doesn;t actually test the failure (I couldn't think of a way to
56# get the failure to show at the perl level) but it allows valgribnd or
57# similar to spot any errors.
58
59{
60    sub rec { my $c = shift; rec($c-1) if $c > 0 };
61    my @r = XS::APItest::multicall_each { rec(90) } 1,2,3;
62    pass("recursion");
63}
64